#12 How do you think humans fit
in to an ecosystem? Explain by
giving an example.​

Answers

Answer 1

Answer:

Like all organisms, humans compete with other species for basic needs in an ecosystem. Humans usually succeed because they have developed technology to help them. ... Humans have also introduced new elements to ecosystems, such as pollution. Pollution can affect all of the organisms in an ecosystem.

Explanation:


Related Questions

According to Porter's model, which of the following should be considered when analyzing a firm's competition? (check all that apply)
buyers
the regulations in possible host countries
suppliers
the threat of substitutes

Answers

This model states that five forces determine the level of industry’s competition and profitability. The five forces are: (1) threat of new entrants, (2) bargaining power of buyers, (3) bargaining power of suppliers, (4) threat of substitutes, and (5) rivalry among existing firms.

Porter’s model of competition is a widely accepted framework for understanding the competitive landscape of an industry. When analyzing a firm’s competition, all of these forces should be considered. For example, understanding the threat of new entrants is important because it can impact the level of competition and pricing within the industry.

Similarly, the bargaining power of buyers and suppliers can be influential in setting industry prices and margins. Additionally, the threat of substitutes should be considered, as this can affect the demand for the firm’s product or service. Finally, the regulations in possible host countries should be taken into consideration, as these can also impact the firm’s ability to enter and operate in foreign markets.

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When pyruvate is formed in a well-oxygenated human cell it will:

a.) become decarboxylated, leaving its remaining two carbon atoms bound to coenzyme A.

b.) lose carbon dioxide, producing acetaldehyde.

c.) be reduced to lactate.

d.) eventually be converted to glucose in the liver via gluconeogenesis.

e.) be converted to ethanol plus CO2.

Answers

If pyruvate forms in a well-oxygenated human cell, it will: (a) become decarboxylated, leaving its remaining two carbon atoms bound to coenzyme A.

Pyruvate or pyruvic acid is an alpha-keto acid with two functional groups: carboxylic acid and ketone. It is the product of the glycolysis reaction that occurs in all of the organisms. It is formed in the cytoplasm of the cell. In human cells, the pyruvate gets oxidized.

Coenzyme A is important for the synthesis of fatty acids and also in the oxidation of pyruvate in the living organisms. It is a very essential cofactor for the initiation of the citric acid cycle in aerobic organisms.

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What do you call the pairs of chromosomes in a karyotype???? Need helllpp

Answers

Answer:

homologous chromosomes

Explanation:

Oysters are sessile like clams but oysters do not burrow their foot into the sand. How do oysters anchor themselves to the surface?

Answers

Answer:

They create an adhesive material that sticks to the surface.

Explanation:

^

A tissue is avascular if it

Answers

Answer:

Avascular tissues are tissues that are devoid of any blood supply by arteries,veins or capillaries these such type of tissues will ten d to be present right to a next highly vascular tissue through which it can revive nutrients and circulation.

I hope this might help u

How are atoms and electromagnetism related?

Answers

Answer: Yes they are related

Explanation:Electromagnetic radiation is made when an atom absorbs energy. The absorbed energy causes one or more electrons to change their locale within the atom. When the electron returns to its original position, an electromagnetic wave is produced. ... These electrons in these atoms are then in a high energy state.

They are related because I AINT NEVER SEEN TWO PRETTY BEST FRIENDS ITS ALWAYS ONE OF THEM THAT GOTTA BE UGLY

Excitation- contraction coupling is the sequence of processes that links the action potential to contraction. threshold period of an action potential. sliding of thin filaments past thick filaments during muscle fiber contraction. refractory period of an action potential. transfer of ACh into the synaptic cleft.

Answers

Answer:

The correct answer is - sequence of processes that links the action potential to contraction.

Explanation:

The depolarization of the cardiomyocyte plasma membrane is binded to the calcium ions that release from the sarcoplasmic reticulum to stimulates sarcomeric actomyosin cross-bridge to the formation and the generation of a contractile force, known as Excitation- contraction coupling.

Which disinfection method for wastewater can be cancerous when fumes are inhaled?
A) Chlorination
B) Nutrient removal
C) Ozonation
D) UV light

Answers

Answer:

A) Chlorination

Explanation:

Chlorine is a chemical and is dangerous if you inahle too much


Animals eating plants or other animals is an example of phosphorus going from
A.abiotic to biotic
B. abiotic to abiotic
C. biotic to biotic
D. biotic to abiotic

Answers

Answer:

C

Explanation:

They're both alive. It's biotic to biotic.

B. Abiotic to abiotic

List and describe the 4 characteristics of life.

Answers

The four characteristics of living things (life) include the following:

Living things are made up of cells.Living Things reproduce.Living Things are based on genetic code. Living things grow and develop.

What are the characteristics of life?

The characteristics of life are those features that are exhibited by living organisms without which they may not be able to survive in their immediate environment.

Some of the characteristics of life include the following:

Living things are made up of cells: The cell is known as the functional structural unit of life without which life is not in existence.

Living Things reproduce: Living things are known to be able to produce their young ones alive. The process of reproduction prevents them from going into extinction.

Living Things are based on genetic code: All living things are made up of genetic materials which are in turn transferred during reproduction to their offspring.

Living things grow and develop: The cells of living things do differentiate to have specific functions and multiply into matured cells capable of reproduction.

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the cortical magnification factor occurs in humans because a. a small area in the peripheral retina accounts for a large area on the cortex. b. the small area of the fovea accounts for a large area on the cortex. c. the area at the optic disk accounts for a large area on the cortex. d. the lens accommodates so that the image is magnified on the retina.

Answers

The cortical magnification factor occurs in humans because, a small area in the peripheral retina accounts for a large area on the cortex. The answer to this question is option A.

The cortical magnification factor is the phenomenon where small areas in the peripheral retina account for large areas on the cortex. This means that certain areas of the retina, such as the fovea, are more sensitive to light and can capture finer details. As a result, these small areas are given more processing power in the brain, resulting in a larger representation on the cortex.The other options provided in the question are not correct. The small area of the fovea does account for a large area on the cortex, but this is not the reason for the cortical magnification factor.

The area at the optic disk is not involved in cortical magnification, and the lens accommodates to adjust focus on the retina, not to magnify the image. The cortical magnification factor occurs in humans because the small area of the fovea accounts for a large area on the cortex.  This increased processing results in a larger cortical representation for the fovea, leading to the cortical magnification factor.

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The haploid human genome is 3 gbp long (3x10^9 bp). How long would the genomic dna in a single diploid cell in your body be if it were stretched out end to end?

Answers

If the haploid human genome is 3 gbp long, then the genomic DNA in a single diploid cell in your body would be 6 gbp long.

This is because a diploid cell contains two copies of each chromosome, one from each parent. So, if the haploid genome is 3 gbp long, then the diploid genome would be twice that size, or 6 gbp.The human genome is the complete set of genetic instructions for a human being. It is made up of DNA, which is organized into chromosomes. Each human has two copies of each chromosome, one from each parent.

So, if the haploid human genome is 3 gbp long, then the diploid genome would be twice that size, or 6 gbp.The genome is important because it contains the instructions for how a human being will develop and function. Every cell in the human body contains a copy of the genome.The genome is also important for medical research. By understanding the genome, researchers can develop treatments for genetic diseases.

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An organism is unicellular autotrophic and ancient what domain does this organism does not belong

Answers

Answer:

Eukaryote

Explanation:

“Ancient” refers to archae. Archae and bacteria are the prokaryotic two domain out of three. In fact eukaryote have protists and plants which are able to perform autotrophic behavior. But unicellular wouldn’t define eukaryotes.

15. Will the asteroid belt be able to coalesce into a 9th planet with the current configuration

of the solar system?

I

Answers

Answer:

No.

Explanation:

No, the asteroid belt is not able to unite into a 9th planet because there is not enough total mass in the belt to form a planet. the other reason is that the belt is too close to Jupiter which make impossible to make the asteroid belt a planet. When this formation of new planet happens between the asteroid and Jupiter, Jupiter's gravitational forces act on the asteroid add up and strengthen each other, and they can easily kick the asteroid out of the solar system.

Describe an approach for understanding global systems and the changes they undergo.

Answers


To understand the global systems and the changes they undergo in a better way, we can use a model to represent the various ecological processes that occur within the biosphere. One example of a model that we can use is the earth systems model.

What is reproductive isolation?Why is it necessary for speciation to occur? Explain one way reproductive isolation might occur.

Answers

Reproductive IsolationWhat is reproductive isolation?

Reproductive isolation is a process in which individuals in a population are prevented from reproducing. This isolation can occur in several ways, such as a physical barrier that separated these species into two groups that will reproduce with each other and generate a new species.

Why is it necessary for speciation to occur?

Speciation is an essential evolutionary process for the creation of new species. It is worth remembering that from reproductive isolation, the individuals of a population have been differentiating and evolving and in the end, there will be a different species from the initial one. Therefore, speciation is necessary for the emergence of new species.

Explain one way reproductive isolation might occur.

Reproductive isolation may occur due to a geographic barrier. In this case, a population is separated by a geographic barrier such as a river, a canyon, or a mountain, thus generating subpopulations that will begin to evolve and adapt in different ways. In the end, we will have different subpopulations, but in the beginning, they were part of the same population.

A ______ color scheme consists of shades, tints, or tones of the same color. group of answer choices analogous complementary triadic monochromatic

Answers

The hues, tints, or tones that make up a monochromatic colour scheme are all variations of the same hue.

A monochromatic colour scheme is what?Colors that are monochromatic are all variations of a single hue, including tints, hues, and tones. Lighter and darker shades of the primary colour or hue will make up a monochromatic colour scheme.What hues fall within the monochromatic category?Films shot in black and white are all considered monochromatic. Since black and white can be found at both ends of every colour, they can be used in a monochromatic design that is based on any colour.Why do people use a monochromatic colour scheme?

Because they permit a wider range of contrasting tones that can be used to draw attention, establish focus, and assist readability, monochromatic colour schemes present potential in art and visual communications design.

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the ixodes tick can infect humans with borrelia burgdorferi during which stage(s) of its life cycle?

Answers

The Ixodes tick can infect humans with Borrelia burgdorferi during the nymph stage of its life cycle.

Ixodes ticks have a complex life cycle that involves three stages: larvae, nymph, and adult. The nymph stage is the most important in transmitting Lyme disease, which is caused by the bacterium Borrelia burgdorferi.

Nymphs are typically the primary vector for transmitting Lyme disease to humans.

During their feeding process, if an infected nymph tick bites a human and remains attached for a sufficient period, the Borrelia burgdorferi bacteria can be transmitted into the human's bloodstream, leading to infection.

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How are influenza viruses classified?

by their type of movement
by their protein structure
by their genetic material
by their different shapes

Answers

Answer: They are classified by  subtypes based on the properties of their hemagglutinin (H) and neuraminidase (N) surface proteins. There are 18 different HA subtypes and 11 different NA subtypes. Subtypes are named by combining the H and N numbers.

1.There movement: People with flu can spread it to others up to about 6 feet away. Most experts think that flu viruses spread mainly by droplets made when people with flu cough, sneeze or talk. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.

2. There protein structure: The influenza viruses are classified into types A, B, and C on the basis of their core proteins. Type A viruses are further subdivided according to their envelope glycoproteins with haemagglutinin (HA) or neuraminidase (NA) activity.

3. There genetic material: by subtypes based on the properties of their hemagglutinin (H) and neuraminidase (N) surface proteins. There are 18 different HA subtypes and 11 different NA subtypes. Subtypes are named by combining the H and N numbers – e.g., A(H1N1), A(H3N2)

4. Different shapes: I don't know that one

Explanation: Hope this helps though :)

Answer:

b) by their protein structure.

Explanation:

Influenza viruses arefrom the  family of Orthomyxoviridae they  have a single-stranded segmented RNA genome. The influenza viruses are classified into types A, B, and C based on their core proteins.

A researcher investigated a blood disease carried by birds she isolated an organism from the blood of an infected bird she finds that the organism is unicellular and has a nucleus a cell wall and the ability to produce spores what kingdom does the organism belong to

Answers

The researcher who conducted an investigation on a blood disease carried by birds found out that the organism is unicellular and has a nucleus, cell wall, and the ability to produce spores. Based on this information, the organism belongs to the Kingdom Fungi.

The kingdom Fungi consists of unicellular and multicellular organisms that lack chlorophyll and reproduce asexually and sexually by forming spores. They are heterotrophic organisms, which means they depend on other organisms for their food. Fungi cells have a cell wall made up of chitin, which provides strength and rigidity to the cell wall. The cytoplasm of the fungal cells contains many specialized organelles, including nuclei, ribosomes, mitochondria, and Golgi bodies that carry out various metabolic activities.

The researcher's findings suggest that the organism is a unicellular fungus with a nucleus, cell wall, and the ability to produce spores. Spores play a crucial role in the fungal life cycle, as they allow the organism to reproduce and spread to new habitats. These spores can be transported by wind, water, or other organisms to colonize new areas.

In conclusion, based on the researcher's investigation, the organism she isolated from the blood of an infected bird belongs to the Kingdom Fungi.

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How do we know that orientation of promoters relative to the transcription start site is important while enhancers are orientation independent

Answers

The orientation of promoters relative to the transcription start site is important because promoters contain specific DNA sequences that are recognized and bound by RNA polymerase to initiate transcription. The orientation of the promoter determines the direction in which RNA polymerase moves along the DNA strand to transcribe the gene.

On the other hand, enhancers are DNA sequences that can be located upstream, downstream or even within the gene they regulate. Enhancers increase the level of transcription by binding to specific proteins called transcription factors that interact with RNA polymerase and other proteins to initiate transcription.

Enhancers are orientation independent because they can act on a promoter regardless of its orientation, as long as they are within the appropriate distance and in the correct 3-dimensional configuration to interact with the transcription machinery.

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The terrestrial invertebrates, such as the insects of the Carboniferous grew very large. They evolved many innovations such as specialized mouthparts, and the new ability to _______.

Answers

They evolved many innovations such as specialized mouthparts, and the new ability to fly.

What is the Carboniferous period?

The Carboniferous period is the period that existed between 350 - 300 million years ago.

Some terrestrial invertebrates which are air-breathing insects, myriapods and arachnids are known to have existed in that era.

With time these insects tend to develop new features through mutations and natural selection leading to;

Development of specialised mouthparts that helps in feeding and

The ability to fly.

Natural selection is defined as the process that is used by organisms to adapt properly especially to a new environment which helps them to reproduce and survive.

Mutation is defined as the change in the genetic sequence of a chromosome.

Therefore, the terrestrial invertebrates, such as the insects of the Carboniferous evolved many innovations such as specialized mouthparts, and the new ability to fly.

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Which proteins are good specific determinants for establishing polar axes? a. Cis proteins b. Transcription factors c. Enzymes in cellular respiration d. tRNAS e. ATP synthase

Answers

Transcription factors are a type of protein that are good specific determinants for establishing polar axes. The correct answer is option b.

In cellular biology, the establishment of polar axes is a crucial process that helps to define the overall organization and function of cells. In order to achieve this, certain proteins must be present to serve as specific determinants that help to establish the polar axes.

Transcription factors are responsible for regulating gene expression, which involves turning genes "on" or "off" in response to specific signals. These proteins play an important role in determining the orientation of the cell, as well as its shape and function.

Transcription factors typically bind to specific DNA sequences, which allows them to control gene expression and determine the overall organization of the cell. By binding to DNA in specific regions, transcription factors help to establish the polar axes of the cell, which is essential for proper cellular function. Additionally, these proteins can also interact with other proteins and signaling molecules to further influence the organization and function of the cell.

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You have been tasked to estimate the number of rattlesnakes in the desert by Lone
Mountain. You capture 42 rattlesnakes and tag them on the first day. You return to the site
one week later and capture 59 rattlesnakes. Of the 59 you caught, 21 are marked from the
first sample. How many rattlesnakes are in the population?

Answers

Answer:

According to the Arizona Game and Fish Department, rattlesnakes live only in the Americas. There are 36 rattlesnake species, 13 of which are present in Arizona. That's the most species in any state. The rattlesnakes most commonly seen in Arizona are the Mojave, black-tailed and Western diamondback species.

Explanation:

phillip has red hair, which comes from a recessive gene. this must mean that phillip received the gene from: group of answer choices his mother. his father. both parents. neither parent.

Answers

Phillip received the gene from both parents.

What are recessive genes?

A type of allele that, when present alone, has no effect on the individual. For the phenotype to be expressed, two copies of the allele must be present. A recessive gene is a gene whose effects are masked in the presence of a dominant gene and can be expressed only on homologous form.

From where recessive gene comes from?

Let two allele which controls the color of hair are R and r

where R is dominant and r is recessive.

For red color, gene must be rr.

If mother is Rr or rr and father is also Rr or rr.

Each parent contributes one allele to each of its offspring.

Phillip received the gene from both parents.

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7. The diagram below represents the construction of a model of an elliptical orbit of a planet traveling
around a star. The focal point and the center of the star represent the foci of the orbit.

The eccentricity of this orbit is approximately
A) 0.3
B) 0.8
C) 1.3
D) 0.5

7. The diagram below represents the construction of a model of an elliptical orbit of a planet travelingaround

Answers

The diagram below represents the construction of a model of an elliptical orbit of a planet traveling around a star. The focal point and the center of the star represent the foci of the orbit. The eccentricity of the elliptical orbit of a planet orbiting around a star is approximately (D) 0.5.

An elliptical orbit is an orbit where an object revolves around another object in an elliptical or oval shape and moves in an elliptical path. There are two foci in an elliptical orbit, with the star's center being the other focus. The foci of an ellipse are the points where the distance from the center of the ellipse to each focus point added up is constant, and is equal to the major axis of the ellipse.

The eccentricity of an elliptical orbit is a measure of how elongated the ellipse is. The distance between the foci is divided by the length of the major axis to calculate the eccentricity. An eccentricity of 0 indicates that the orbit is circular, whereas an eccentricity of 1 indicates that the orbit is a straight line.

The formula for eccentricity is e = c/a where c is the distance between the center and each focus, and a is the length of the major axis. Based on the given diagram, we can estimate the length of c and a. The major axis is the longest line in the ellipse, which passes through the center of the ellipse.

Therefore, we can measure the length of a by measuring the length of the major axis. Based on the diagram, the length of the major axis is approximately 8.6 centimeters. To calculate c, we need to measure the distance between the center and each focus.

Based on the diagram, the distance between the center and each focus is approximately 3.5 centimeters. Thus, c is approximately 7 centimeters (3.5 x 2). e = c/a = 7/8.6 ≈ 0.81 The eccentricity of the elliptical orbit is approximately 0.8, according to the calculation. The correct answer is D.

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Why are scientific investigations so important?

Complete the interactive. Identify and describe each step of the scientific method.
Step one:
Step two:
Step three:
Step four:
Step five:
Step six:

Answers

Scientific investigations are important because they help us understand the natural world around us and develop new technologies and medicines.

What are step of the scientific methods?

The scientific method is a systematic approach to conducting scientific investigations that involves the following steps:

Step one: Make an observation This is where scientists observe something in the natural world that they want to investigate further.

Step two: Form a question Based on the observation, scientists form a question they want to answer through their investigation.

Step three: Form a hypothesis A hypothesis is a tentative explanation for the observation or question. Scientists use their knowledge and understanding of the topic to create a hypothesis that can be tested.

Step four: Conduct an experiment An experiment is designed to test the hypothesis. Scientists collect data through observation or by conducting experiments in a controlled environment.

Step five: Analyze data and draw conclusions Scientists analyze the data they have collected to see if it supports or refutes their hypothesis. Based on their analysis, they draw conclusions about their hypothesis.

Step six: Communicate results Scientists communicate their results to other scientists through scientific papers, conferences, or other means. This allows other scientists to evaluate their work and build upon it to expand our collective understanding of the natural world

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If
the gene for a sex linked trait is located on the X chromosome, will the trait be
exhibited by only males, only females, or both?

Answers

If the chromosome pair is XX, then the trait is exhibited by only females. If the chromosome pair is XY, then the trait is exhibited by only males. However, since we are given no second chromosome letter, I would have to say that the trait is exhibited by both male and female or just female because both genders contain at least one X chromosome. Why? Well, females have two X chromosomes in their cells. Males have XY chromosomes in their cells. If the gene for a sex linked trait is located on the X chromosome alone, then the trait will be exhibited by only females. If you need to better understand this, let me know and I will gladly assist you.

which statement best describes the reaction force?​

which statement best describes the reaction force?

Answers

Answer:

I believe the awnser is; The reaction force is the force of the ball away from the racket

Terrestrial biomes are formed primarily by:

Answers

Answer:

temperature and precipitation

Explanation:

The biome concept organizes large-scale ecological variation. Terrestrial biomes are distinguished primarily by their predominant vegetation, and are mainly determined by temperature and rainfall. Differences in temperature or precipitation determine the types of plants that grow in a given area (Figure 1).

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