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Brums [2.3K]
3 years ago
11

1. Biotic factors like wolves can have an effect on abiotic factors like rivers.

Biology
1 answer:
RUDIKE [14]3 years ago
4 0

Answer:

1. True

Biotic factors can have effect on abiotic factors like water by the way they use it and how much they drink. If biotic factors drink too much water in a rivver then it could end up with limited amount of water for the ecosystem.

2. False

On average, about 50 percent of energy available within one trophic level is transferred to the next trophic level.

3. True

Extirpation is extinction of a species in a given area.

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Which of the following statements explains why the process of mitosis is essential to life?
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Answer:

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Explanation:

7 0
2 years ago
A cellular structure that can be found in each type of cell that is unique to each type of cell, but that has a similar function
34kurt

Answer

Complex barrier to the flow of substances out of the cells,and restrictions to inflow of unwanted substances into the cells. The hydrophobic and hydrophilic nature of the cell membrane controls the entry of substances from the extracellular medium into the intracellualr. In addition the polarity restricts certain substance movement across the walls.

Serve as the selective channels  for the  influx of certain substances into the cells, and the out flux of wastes.This is through ion channels for the movements of ions across.

Provide insulation to the cells,to maintain the constant internal temperature,this is through the presence of lipids as( Phospholipids and cholesterol).The latter prevent the clogging of the lipids in the cell membrane therefore preventing frozen up of the cell membrane,providing insulation.

Separation of metabolic process in the cell.

Explanation:

Cell membrane-This is present in all cells.But the variation of its constituents makes it unique to each cell. Although it performs the same role, the location and role the cells it bounded, reflects its  constituents, it is made up of lipids, carbohydrate, protein and cholesterol

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Why is topsoil crucial for agriculture
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