Rabbits in Europe and South America show how species vary globally, birds that live on the Galapagos Islands show how species vary locally, and fossils show how species vary over time.
What is variation?The term variation refers to the differences between organisms in a given period of time.
Genetic and phenotypic variation are key concepts in the evolutionary theory proposed by Darwin.Variation can be intraspecific and interspecific depending on the presence of one or more species.In conclusion, rabbits in Europe and South America show how species vary globally, birds that live on the Galapagos Islands show how species vary locally, and fossils show how species vary over time.
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The amount of life that can be supported in a particular ecosystem is limited by which of the following?
I. energy
II. water
III. minerals
IV. oxygen
A.
II and IV only
B.
I and II only
C.
I, II, III, and IV
D.
II, III, and IV only
A student observed the image and claimed that the frog takes its food by sucking. Is the claim made by the student correct
Answer:
No; the frog is eating food as a whole, so its mode of feeding is swallowing
Climates near the equator are __________ then climates further away.Immersive
The same temperature
Always more Tropical
Colder
Warmer
Answer:
colder i think
Explanation:
........
how can you help your neighbor or society during a crisis like the C.ovid-19 pandemic in the country today? State your answer Using a campaign slogan.
Answer:
1. Support Small or Local Businesses
2. Pick Something Up for Your Neighbor
3. To encourage and motivated them
4. By donating blood and plasma
5.Make a donation
And most importantly take care of yourself then you can helps others.
#Stay safe # Stay home
Carbohydrates are made of atoms of hydrogen, oxygen, and carbon.
A. True
B. False
Does Carbon Dioxide (CO2) move or
does it stay in one spot? Explain.
pls help
Answer : They Do Move
Explanation : They settle into layers based mostly on their molecular weights. However, the Earth's atmosphere is much more expansive than a wine bottle. CO2 does not break down until about 80 kilometers from the Earth's surface, giving atmospheric gases a huge expanse to occupy.
Scientists predict that ocean acidity could double (increase 100%) by 2100. What are the effects of ocean acidification on ocean plant and animal life give (2 examples) and on humans (give 2 examples)?
Thank you!
Answer:
Reduce amount of carbonate and dissolve calcium carbonate.
Explanation:
Ocean acidification can negatively affect marine life, causing organisms' shells and skeletons made from calcium carbonate to dissolve. ... Animals that produce calcium carbonate structures have to spend extra energy either repairing their damaged shells or thickening them to survive.
Ocean acidification will affect humans too! It will affect the food we eat since most of our shellfish requires calcium carbonate to form or to fortify their shells. Many of the fish we eat are also dependent on shelled animals for their food source, so the entire food chain is in jeopardy
Answer:
hi
Explanation:
What are the complementary base pairs found in DNA?
O A. A-U
G-C
O B. C-T
A-G
O C. U-T
G-C
O D. C-G
A-T
Answer:A-G
Explanation:
What are catalysts? What's their function?
Answer:
A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism. Enzymes are proteins that act as catalysts in biochemical reactions.
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Which is a sign of healthy urine?
light color, no odor
dark color, no odor
light color, strong odor
dark color, strong odor
Answer:
a
Explanation:
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Answer:
The answer is B: Active Transport
Explanation: Because energy is required to move the sodium and potassium ions against the concentration gradient. Sodium ions are actively transported from the inside of the cell to the outside of the cell, even though there is a higher concentration of sodium ions on the outside.
Select the correct answer.
Paul observes an amoeba engulfing food during a science laboratory class. Which part of its cell does the amoeba use to engulf the food?
A.
cell wall
B.
cytoplasm
C.
nucleus
D.
vacuole
E.
silicate skeleton
Answer:
I think its vacuoles
Explanation:
In which of the following ways are bacteria similar to birds? (2 points)
PLEASE HELP IM TIMED!!! ILL MARK BRAINLYIST
Answer:
A hope this helps
Explanation:
Answer: A
Explanation:
As particles heat up, their kinetic energy increases. The particles in the box labeled X have larger tails, implying they have larger kinetic energy.
give two reasons why precipitation and fawn population are linked.
Answer:
Ungulate population dynamics are influenced by multiple factors including ... Our weather hypotheses examined the influence of winter [28–30] and ... For example, increased temperatures and precipitation were related
Explanation:
Inertia best describes...
a. why objects at rest remain at rest
b. why objects moving at a constant velocity continue moving at a constant velocity
c. both A and B
Answer:
c a letter c
Explanation:
follow me haha
I will MARK BRAINLIEST
Answer:
[tex]\huge\boxed{Answer\hookleftarrow}[/tex]
NucleusCellTissueOrganSystemAnimalʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
# ꧁❣ RainbowSalt2²2² ࿐
Answer:
[tex]1) \: nuclues[/tex]
[tex]2) \: cell[/tex]
[tex]3)tissue[/tex]
[tex]4) \: organ[/tex]
[tex]5) \: system[/tex]
[tex]6) \: animal[/tex]
i hope it helps
have a great day
#Captainpower
In nucleic acids, mutations are changes in the sequence of
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Answer:
AA-Dom, homogonous
TT-Dom, Homogonous
gg-recessive, homogonous
ss-recessive, homogonous
Ff-dom ,heterozygeoous
Ll- Dom, heterozygeoous
Pp- Dom, heterozygeoous
Explanation:
Homogonous pairs same genes (are the same ) , domminants are in capital letters and recessive are lowercase
heterozygeoous are mixtures a recessive and dominatn gene (capital and lowercase )
Hi guys! I hope you are having a good day. I just need to know what this structure is, but if you help me label it I will give you the Brainly award thing. (If there are two people who answer)
Answer:
A. Pilus
Explanation:
Prokaryotic cell
pro
What do lipids and carbohydrates have in common? (What is the same about them?)
A. Both carbohydrates and lipids taste sweet.
B. You can survive your whole life by eating only carbohydrates or lipids.
C. Living things use both to store energy.
Answer:
Living things use both to store energy.
1.) What are some of the forms of evidence used to support the theory of Pangaea?
2.) Why aren't the planet's continents in the same formation as they may have once been during the time of Pangaea?
3.) Why is it important to study the theory of plate tectonics and continental drift?
Answer:
1) Alfred Wegener, in the first three decades of this century, and DuToit in the 1920s and 1930s gathered evidence that the continents had moved. They based their idea of continental drift on several lines of evidence: fit of the continents, paleoclimate indicators, truncated geologic features, and fossils.
Explanation:
Is this what you are looking for
What type of transport is illustrated in the diagram and what type of molecule would be transported
using this process?
A. Passive transport; carbohydrates
B. Active transport; oxygen
C. Exocytosis; proteins
D. Facilitated diffusion; sugars
Homologies are used as evidence of common ancestry among groups. Homologies include anatomical, molecular, and developmental evidence.
Which of the following would be an example of a developmental homology?
O Similarities in the genetic makeup of organisms
Similarities in the structures of various adult organisms
a
Similarities in the stages through which embryos pass
Similarities in the sequence of amino acids in a protein found in various species
Which of the following questions would best differentiate between Taiga and Tundra?
A.
Is the biome located in the northern hemisphere?
B.
Does the biome have a cold climate?
C.
Does the biome consist of deciduous trees?
D.
Is the vegetation tall or low to the ground?
What would best difference between Taiga and Tundra is C.Does the biome consist of deciduous trees.
What is tundra and Taiga?Tundra ecosystems are ecosystem that doesn't posses trees which is found in the Arctic .
The taiga on the other hand isa forest of the cold, subarctic region.
Therefore, the difference between them is to check if there are trees especially deciduous trees.
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how do convection currents influence earths climate
Answer:
During convection, cooler water or air sinks, and warmer water or air rises. This movement causes currents. These currents move water all around the earth, bringing warm water to cooler areas and vice versa. This redistributes thermal energy and causes changes in the weather.
Explanation:
if the DNA sequence was ATTCGCTA what would the DNA paired sequence be
Explain the functions of a villi
Answer
Villi are small finger-like projections found inside the inner walls of the small intestine. They v increase the surface area for absorption of the digested food. Each villus has a network of thin and small blood vessels close to its surface. The surface of the villi absorbs the digested food materials
Explanation:
The picture shows a pika, a small mammal found in grassland ecosystems. The vast grasslands of the Tibetan plateau are home to the plateau pika. The numerous pikas are prey for many predators of the grasslands, which serve as a major watershed for much of the area. The watershed drains large quantities of groundwater during the rainy season or the monsoon season. Pikas have extensive burrows that help drain groundwater rapidly and are used as nesting sites by many bird species. However, many people advocate the eradication of the plateau pikas because they compete with livestock for grass.
1. The ecosystem will become unstable because predators will have fewer prey, the birds will have fewer nesting sites, and the area downriver will become vulnerable to flooding without the burrows to aerate the soil and provide drainage for monsoon rains.
2. The ecosystem will become more stable because the pika will be replaced by other species of small mammals that can fill the niche, bird species will adapt to nesting aboveground, and the soils will become compacted without the burrows.
3. The ecosystem will become unstable because the predators will migrate to nearby ecosystems, the birds will nest in nearby trees, and the soils will be aerated by other small mammals.
4. The ecosystem will become more stable because the pika will no longer be there to eat the grasses, the birds will migrate to other ecosystems during nesting season, and the soils will be able to absorb more of the monsoon rains without the pika burrows.
Answer:
Option A is correct
Explanation:
Given
Pika are eaten by many animals of the grass land. The burrows of Pika are helpful in draining the ground water rapidly and the burrows also acts as nesting site for many bird species. Pikas consume grass and hence they are competitors of livestock animals.
Removing Pikas from this ecosystem will destabilise the ecosystem as all the grass land predators will not get sufficient food. If Pika will not be there, then their burrows too will not exist and hence the excess ground water cannot be absorbed. Also the bird species will not be able to use burrows as nesting site.
Hence, option A is correct
which of the following is an example of pollution?
a) overexploiting ocean fisheries
b) causing plant and animal species to go extinct
c) cutting down the world’s forest cover
d) sewage and industrial waste dumped into streams
Sewage and industrial waste dumped into streams is an example of pollution. So, the correct option is D.
What is Pollution?When hazardous substances or contaminants are present in or introduced into the environment, it is called pollution. These toxins have negative effects on both living things and the natural world. It can result from a variety of things, including climate change, natural disasters, and human activity (such as industrial, transportation, and agriculture).
There are many different types of pollution, including air, water, soil, noise and light pollution, all of which can have negative effects on ecosystems, biodiversity and human health. The entry of toxic substances into the environment which has a negative effect on it is known as pollution. Pollution can be any type of material or energy.
So, the correct option is D.
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