Answer:
yes
Explanation:
fossil 1 (2x) how would you describe the appearance of this fossil? what type of fossilization has occurred?
The appearance of fossil 1 (2x) can only be determined if we are provided with the image of the fossil. We cannot describe the appearance of a fossil without looking at it.There are different types of fossilization, and it is important to understand what has occurred to fossilize the organism. The type of fossilization that has occurred can be determined by looking at the mineralization and preservation of the fossil.
Fossil 1's appearance and the type of fossilization that has occurred:
The appearance of fossil 1 (2x) can only be determined if we are provided with the image of the fossil. We cannot describe the appearance of a fossil without looking at it.There are different types of fossilization, and it is important to understand what has occurred to fossilize the organism. The type of fossilization that has occurred can be determined by looking at the mineralization and preservation of the fossil.
This will give clues about how the organism became a fossil.The different types of fossilization are as follows:
1. Carbonization: Carbonization occurs when the organic matter leaves a carbon imprint. The remaining matter is usually thin and flattened.
2. Petrification: Petrification occurs when minerals replace organic matter, which is preserved in its original form.
3. Molds and Casts: Molds are created when organic matter is buried in sediment. The sediment hardens, and the organism decomposes, leaving an empty space. This is called a mold. Casts are created when the mold is filled with minerals or sediment.
4. Trace Fossils: Trace fossils are created by organisms that leave behind impressions or tracks. These include footprints, burrows, and bite marks.
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the bacterial species that will survive uv radiation the best is
The bacterial species that will survive UV radiation the best is likely to be one that has evolved mechanisms to protect its genetic material from damage caused by UV radiation. These mechanisms might include the production of pigments that absorb UV radiation or repair enzymes that can fix damaged DNA.
Additionally, bacteria that form biofilms or colonies may be better equipped to withstand UV radiation, as the dense arrangement of cells can help shield them from harmful rays.
It is also possible that some bacteria may have developed ways to reduce their exposure to UV radiation by avoiding surfaces that receive direct sunlight.
Ultimately, the survival of any bacterial species under UV radiation will depend on a complex interplay between the organism's genetic makeup, environmental factors, and the intensity and duration of UV exposure.
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Ecological succession usually includes changes in all of the following EXCEPT-
A. The number of different kinds of plants
B. The number of plants of any one species
C. The overall size of the dominant plants
D. The rate at which species produce offspring
Answer: its d i just took the test
Explanation:
Ecological succession usually includes change EXCEPT for the option" A" which is the number of different kinds of plants.
What is Ecological succession?Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time.
Thus, according to ecological succession, the number of different kinds of plants.
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Beth broke her ankle bone. The doctor gives her a
brochure on foods she can eat to help restore the
health of her bones. Which element will help Beth
strengthen the bone?
Answer:
Calcium
Explanation:
Calcium is the healthy bone mineral. About 99% of the calcium in the body is stored in the bones and teeth. It's the mineral that makes them hard and strong. The remaining 1% is needed for many activities that help keep the body functioning normally.
Answer:
Phosphorus will strengthen her bones.
Explanation:
There are a wide number of dietary minerals that are involved in the strengthening of bones. But among all of them, calcium and phosphorus are the key minerals that play an active role in providing strength to the bones. Phosphorus keeps the bones healthy and strong. It also helps in the growth of bones.
Low amounts of phosphorus can lead to thinning of the bones, a disease termed as osteoporosis.
Which would most likely lead to reduced bird populations?
O A. Lack of land development
OB. Overplanting an area
O C. Introduction of non-native species
O D. Increased insect populations
Answer:
Introduction of non-native species
Explanation:
That would most likely lead to reduced bird populations is O C. Introduction of non-native species.Non-native predators may also prey on native birds and their eggs, leading to population declines.
What are non-native species?Non-native species, also known as alien, exotic, or introduced species, are organisms that have been introduced into a geographic area where they did not occur naturally, either intentionally or unintentionally, by humans.
C. Introduction of non-native species is most likely to lead to reduced bird populations.
Non-native species may compete with native species for resources such as food, nesting sites, and breeding territories, and may also introduce new diseases and parasites that the native species may not be able to cope with.
Non-native predators may also prey on native birds and their eggs, leading to population declines.
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Please help will give brainliest
Answer:
b asexual
Explanation:
Asexuality is the lack of sexual attraction to others, or low or absent interest in or desire for sexual activity. It may be considered a sexual orientation or the lack thereof. It may also be categorized more widely to include a broad spectrum of asexual sub-identities.And only involved with one parent
what pigment traps the energy
Answer:
The pigment that traps energy is chlorophyll
why do conditions in the body need to remain constant? give three examples
Answer: you need to have control over your blood glucos concentration, body temperature, and water levels to maintain homeostasis.
Each piece of DNA called a
carries
the code for
human characteristic. The whole human code
contains about
sections or
Answer:
what is the question
Explanation:
HELP!?!
What is the current state of the Tundra Biome?
Match each description to the correct part of the water cycle.
evaporation
moves water from the atmosphere to the
surface of Earth
condensation
causes water vapor in atmosphere to
become rain
precipitation
moves water from the surface to the
atmosphere
(sorry the category is biology it’s earth&space science)
Answer:
Evaporation: Moves water from the surface to the atmosphere
Condensation: Causes water vapor in the atmosphere to become rain
Precipitation: Moves water from the atmosphere to the surface of the Earth
Explanation:
Answer:
answer in picture
Explanation:
just a simple multiple choice question. its times, ple help
Answer:
do you remember the questions?
Explanation:
If you have black hair and
someone else.has red hair these
are two versions of the same
gene, what is this called
scientifically?
Answer:
Codominance
Explanation:
In genetics, codominance refers to a type of inheritance in which two variants (alleles) of the same gene are expressed differently in one individual, resulting in different phenotypes.
x‑linked, recessive diseases, such as hemophilia, are extremely rare in the population. however, many women are carriers and show no sign of the disease. the pedigree illustrates the inheritance of an x‑linked, recessive disease. determine whether the unknown individuals are affected by the disease, unaffected by the disease, or carriers of the x‑linked recessive allele. unaffected individuals are not carriers of the x‑linked recessive allele.
X-linked recessive diseases, such as hemophilia, are extremely rare in the population. However, many women are carriers and show no sign of the disease. The pedigree illustrates the inheritance of an X-linked recessive disease. The unknown individuals are affected by the disease and are carriers of the X-linked recessive allele.
What is X-linked recessive inheritance?
X-linked inheritance is a mode of genetic inheritance that affects genes located on the X chromosome. Males have one X chromosome and one Y chromosome, whereas females have two X chromosomes. As a result, X-linked inheritance affects males more frequently than females. X-linked inheritance is a type of recessive inheritance because two copies of the gene are required for the disorder to manifest. Females, on the other hand, are generally carriers, meaning they have one copy of the gene but do not exhibit symptoms. X-linked inheritance follows the rules of Mendelian inheritance.
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Irreversible nerve damage has been reported in people taking large doses of vitamin a) vitamin B1; b) vitamin B2; c) vitamin B6; d) vitamin B12.
Irreversible nerve damage has been reported in people taking large doses of vitamin B6. The correct option is C, vitamin B6.
Vitamin B6 is essential for the body's metabolism, but taking too much can lead to nerve damage. Symptoms of nerve damage from vitamin B6 overdose can include numbness, tingling, and weakness in the hands and feet. In severe cases, it can also lead to permanent nerve damage.
The recommended daily intake of vitamin B6 for adults is 1.5 milligrams for men and 1.2 milligrams for women. Taking more than 100 milligrams of vitamin B6 per day can be dangerous.
If you are taking vitamin B6 supplements, it is important to talk to your doctor about the proper dosage.
Therefore, the correct option is C, vitamin B6.
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in salt water fish, chloride cells in the gills: question 7 options: a) actively transport cl- from the plasma to the ecf. b) actively transport cl- from the external environment to the ecf. c) actively transport cl- from the ecf to the external environment. d) passively transport cl- from the ecf to the external environment.
Chloride cells in the gills of saltwater fish actively transport chloride ions from the fish's body to the external environment, helping the fish regulate its internal chloride ion concentration and maintain ion balance in a hyperosmotic environment. The correct option is c.
In saltwater fish, chloride cells in the gills are responsible for maintaining the appropriate balance of ions, particularly chloride ions (Cl-) in the fish's body. These cells actively transport chloride ions, but the direction of transport depends on the specific concentration gradients.
When saltwater fish are in an environment with a higher chloride ion concentration outside their bodies, the chloride cells in the gills actively transport chloride ions from the external environment (saltwater) to the extracellular fluid (ECF) within the fish's body.
This helps the fish maintain a higher chloride ion concentration inside its body, necessary for osmoregulation and ion balance.
Therefore, the correct option is b) actively transport Cl- from the external environment to the ECF. The chloride cells in the gills utilize energy to pump chloride ions against their concentration gradient, ensuring that the fish retains enough chloride ions despite their constant loss through osmosis.
This active transport mechanism is essential for the survival of saltwater fish, as it enables them to regulate their internal ion concentration and counteract the osmotic stress caused by living in a hyperosmotic environment.
Hence, the correct option is c) actively transport cl- from the ecf to the external environment.
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what type of mutation causes sickle cell anemia?
A. neutral
B. point
C. silent
D. frameshift
Answer:
B. point
Explanation:
The type of mutation that causes sickle cell anemia is a point mutation. Specifically, it is a single nucleotide substitution in which adenine is replaced by thymine in the beta-globin gene, resulting in a change from glutamic acid to valine in the hemoglobin protein. This mutation causes the hemoglobin molecules to stick together and form stiff, sickle-shaped red blood cells, which can lead to various health problems.
Explain how you linked the predator and its prey to a specific environment.
PLS HELP!!!! ASAP!!!!!!! EDGENUNITY!!
Answer:
The mouse and shrew bones were common to all three owls so they were not useful in identifying environments. The gopher bones were unique to the great grey owl of Alaska. Gophers are rodents that are successful in areas with soft soil and lots of grass, so the gopher and this owl would be found in the meadows and evergreen forests of Alaska. The bat was unique to the barking owl of Australia. The bat would be found in woodland habitats where there are many trees the bat can hang from. The gull bones were unique to the short-eared owl of Cuba. Gulls are wetland birds, so the gull and this owl would be found in marshes and coastal areas.
Explanation: took the assignment.
16. Identify what would be more significant: a mutation in the base sequence of DNA OR a
change in the base sequence of mRNA?
A mutation is a heritable alteration in the DNA target dna of an organism that eventually contributes to genetic variation.
Good or bad mutations exist?Depending in their context or location, mutational impacts may be advantageous, detrimental, or neutral. Most neutral mutations are harmful. Generally speaking, the effect of a mutation and its likelihood of being detrimental increase with the number of base pairs that are impacted by the mutation.
What is an actual case of mutation?Cystic fibrosis is a human illustration. The body produces thick, viscous mucus that obstructs digestive organ ducts and clogs the lungs due to a single gene mutation. Cancer is a condition in which cells produce aberrant cell masses as they grow out of control.
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Waste removal in a flatworm is best described by which statement?
A) Flatworms store waste in their bodies until they die.
B) Flatworms have no specialized waste removal system.
C) Flatworms process solid, liquid, and gaseous waste in the same body system.
D) Flatworms have an extensive branched system that removes liquid waste.
most human-dominated ecosystems have lower diversity than pristine ecosystems in a similar environment. what ecosystem services are diminished in human-dominated ecosystems?
Human-dominated ecosystems typically have lower biodiversity due to factors such as habitat destruction, fragmentation, and the introduction of non-native species.
As a result, many ecosystem services are diminished in these ecosystems, including:
1. Pollination: A decrease in the number and diversity of pollinators in human-dominated ecosystems can lead to a decline in crop yields and the loss of wildflowers and other plants.
2. Water quality: Natural ecosystems play a critical role in filtering and purifying water. However, human activities such as urbanization and agriculture can result in increased sedimentation and pollution, which can harm aquatic life and compromise the quality of drinking water.
3. Carbon sequestration: Natural ecosystems absorb and store carbon, helping to mitigate climate change. However, deforestation and other land-use changes in human-dominated ecosystems can result in increased greenhouse gas emissions and a reduction in carbon storage.
4. Soil fertility: Natural ecosystems help maintain soil health by cycling nutrients and supporting beneficial microbes. However, intensive agriculture and other land-use changes in human-dominated ecosystems can lead to soil degradation and erosion, reducing fertility and productivity.
5. Cultural services: Natural ecosystems provide a range of cultural services, such as recreation, spiritual and aesthetic value, and the preservation of cultural heritage. However, human activities can compromise these services through habitat destruction, pollution, and other impacts.
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State whether each water pollutant listed below is primary or secondary and whether it is physical or chemical biological radiological or thermal
Among the frequent contributors of water contamination include sewage disposal, industrial chemical spills, agricultural runoff, etc.
What are the primary and secondary water pollutant?A secondary pollutant is created when other pollutants (primary pollutants) react with the atmosphere, rather than being directly released as such.
The primary reasons of water pollution are microorganisms, parasites, insecticides, pharmaceuticals, plastics, fecal matter, radioactive matters, fertilizers, and pesticides.
Therefore, Pollutants, both primary and secondary. A primary pollutant is a substance that is released into the air directly from a source.
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From what sources did water arrive in Earth’s atmosphere?
However, in Earths First Billion years and over the past 4.5 billion years, the main source of water was from comets. We know that comets consist chiefly of chemical compounds that are either gases or liquids at earth-surface conditions: methane is one common component of comets and water is another.
hope it helps :)
Tell the number of cells and the number of chromosomes for each
A. A body cell with 18 chromosomes divides by
Meiosis
___cells___chromosomes
Answer:
At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes. At the end of meiosis II, each cell (i.e., gamete) would have half the original number of chromosomes, that is, 15 chromosomes.
I think sorry if wrong ;)
These types of cells are found in the reproductive organs and are called?
Answer:
gametes should be the answer.
Explanation:
Answer:
gametes (GAH-meetz), are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system. When sperm fertilizes (meets) an egg, this fertilized egg is called a zygote (ZYE-goat).
Explanation:
sewage sludge is sometimes used as a fertilizer, unless it is contaminated with
Sewage sludge is sometimes used as a fertilizer, unless it is contaminated with toxic substances.
Sewage sludge is the semi-solid waste generated from wastewater treatment. It contains microbes, organic compounds, heavy metals, and other contaminants.The use of sewage sludge is an environmentally beneficial option for recycling nutrients and organic matter back to the soil. Agricultural, reclamation, and mine land use are the most common applications of sewage sludge. It is also used as a fuel for generating heat and electricity.
Sewage sludge must be treated before being released into the environment due to the presence of pathogens and other contaminants. Sewage sludge may contain pathogens such as bacteria, viruses, and protozoa that cause human disease. It may also contain toxic substances like heavy metals, industrial chemicals, and pharmaceuticals, which can harm the environment and public health. Therefore, sewage sludge needs to be treated to reduce these contaminants to safe levels.However, if the sewage sludge is contaminated with toxic substances, it should not be used as fertilizer.
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the main tube that carries air to and from the lungs is called ?
Answer:
trachea
Explanation:
Answer: trachea
Explanation:
The trachea is an essential tube connecting the larynx to the bronchi of the lungs and allowing air to be carried to and from the lungs. It is commonly known as the windpipe and about four inches long and less than an inch in diameter.
Expected frequency of CC genotype
Answer:
0.18
Explanation:
Birds are uniquely classified from other organisms because they all(1 point) eat seeds. eat seeds. have feathers. have feathers. lay eggs. lay eggs. have wings.
According to the research, birds are uniquely classified from other organisms because they all have feathers.
What are birds?It is an oviparous and vertebrate animal whose body is protected by plumage and which has a pair of wings generally suitable for flight.
Feathers are characteristics of the bird class thanks to these they can camouflage, regulate body temperature and identify and differentiate themselves from other groups of animals since they may have wings, beaks and legs, but none have feathers.
Therefore, we can conclude that according to the context, birds are uniquely classified from other organisms because they all have feathers.
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the germinal epithelium of the ovary is made of simple epithelium. multiple choice question.
The germinal epithelium is composed of option A- cuboidal epithelium.
The germinal epithelium is a layer of cells that covers the surface of the ovary in females and the testis in males. The cells of the germinal epithelium are cuboidal in shape, meaning that they are roughly cube-shaped. These cells are responsible for producing the gametes, or sex cells, that are necessary for reproduction.
In females, the germinal epithelium gives rise to the oogonia, which are the precursor cells to the ova, or eggs. In males, the germinal epithelium gives rise to the spermatogonia, which are the precursor cells to the sperm. The cuboidal shape of the cells in the germinal epithelium allows for efficient packing of the cells, which is necessary for the production of large numbers of gametes. Therefore correct option is A
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the complete question is:
Germinal epithelium is composed of
A)Cuboidal epithelium
B)Columnar epithelium
C)Glandular epithelium
D)None of the above