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Biology

1 answer:

jeka57 [31]3 years ago

5 0

Answer:

I think the answer is that the person is dead less than two hours ago.

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______ is a source of genetic variation that refers to a random error in the genetic code.

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Mutation is a source of genetic variation

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Which of the following gases is formed during photosynthesis?

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oxygen

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What is some evidence that makes plate tectonics is such a firmly believed idea?

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There are many shreds of evidence that support the theory of plate tectonics and make it such a firmly believed idea. These pieces of evidence include fossils, glaciers, earthquakes and volcanic activity, the shape of continents, the magnetism of rocks on the seafloor, the mid-ocean ridge system, and others.

Fossils give an idea of the location of the plants and animals that once existed. Earthquakes and volcanic activity also help in determining the cause of the boundaries and rifts formed. The shape of the continents seems to be fit with one other that gives the idea that these were together and moved away from each other.

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Assuming this is a healthy ecosystem, which organisms in this ecosystem would you expect to have the highest population? Which s

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Answer:

1. Highest population: Primary producers (e.g. plants). In the case of animals: Primary consumers (e.g. grasshoppers).

2. Lowest population: Third-level consumers (Top predators). E.g. An eagle.

Explanation:

There are two types of ecological pyramids that illustrate the correlation between trophic levels and biomass in a healthy ecosystem:

Energy pyramid: illustrates the flow of energy at each trophic level. That is, energy is passed up from lower to higher.
Biomass pyramid: illustrates the amount of biomass at each trophic level. Less energy, less organisms.

In a healthy ecosystem, plants are located at the bottom of the pyramid because they produce their own food; while top predators are located at the top.

Plants (trees and bushes), for example, will have high population levels and will pass energy to the next level of the pyramid. As we go up the trophic levels, organisms tend to be larger in size but fewer in numbers. This means that the top predators or third-level consumers, such as eagles, lions, or bears, are indeed bigger but have lower biomass or population numbers.

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Which condition in a nebula would prevent nuclear fusion?

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C. Is the correct answer I know it is .☺️

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