Why are autotrophs considered the basis of the food chain?

1 answer:

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They are among the only types of organisms that get their energy from a non-living thing, and they give energy to Primary consumers, which give energy to secondary consumers, which give energy to tertiary consumers, which can give energy to decomposers, etc.

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What happens during prophase of meiosis I?

Vaselesa [24]

Answer:

Meiosis I, the first meiotic division, begins with prophase I. During prophase I, the complex of DNA and protein known as chromatin condenses to form chromosomes. The pairs of replicated chromosomes are known as sister chromatids, and they remain joined at a central point called the centromere.

Explanation:

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1 year ago

Chantel dropped a tiny spot of ketchup on her pants during lunch. Even though her teacher was able to completely remove the spot

Lerok [7]

Answer:

Chantel dropped a tiny spot of ketchup on her pants during lunch. Even though her teacher was able to completely remove the spot, Chantel cries hysterically and says that she wants to go home because her outfit is ruined. Chantel's reaction is an example of <u>"Invisibility."</u>

Explanation:

The kid is unable to understand the action, as chantel is unable to figure what to do now and tries to escape from the whole situation at the moment which brings great distress along with it and makes it a preoperational situation termed as invisibility.

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3 years ago

Why does natural selection act on phenotype rather than genotype of an organism?

Nimfa-mama [501]

By definition, the phenotype is the actual physical manifestation of an organism's genotype, so the way an organism looks or behaves is what is being selected on. For example, if ladybugs have red (R) shells or yellow (r) shells and ladybug-eating birds only eat the ones with red shells, any red-shelled ladybugs will be selected against based only on their phenotype. The birds do not know whether each bug is RR, Rr, of rr, so phenotype, not genotype, is what is affected by natural selection.

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2 years ago

1) What was the rationale behind introducing wolves to the Greater Yellowstone Ecosystem (GYE)?

ruslelena [56]

Answer: was to increase the population of wolves

Explanation: The reasoning behind introducing these gray wolves (Canis Lupus) to the Greater Yellowstone Ecosystem was to increase the population of wolves there since they were once scattered because of people killing these animals off with the assumption that they were predators and were viewed as dangerous animals.

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2 years ago

How does carbon cycle between the atmosphere and the biosphere?

TiliK225 [7]

Answer:

A lot of carbon passes through the atmosphere and into the biosphere through the plants consuming it, or in other words, photosynthesis, and the plants waste is oxygen, which animals breathe and turn into carbon dioxide

TL;DR Plants enter carbon into the biosphere and animals release it into the atmosphere

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2 years ago