Answer: Cell membrane is layer which is present in all living cells. It is present under the cell wall but in some cases such as plant cells.
Explanation: It is composed of lipid bilayer and proteins embedded in it. Phospholipids, glycolipids and sterols is the composition. Its function is to protect the cell from extracellular environment. It is semipermeable membrane that js allow only selected molecules to pass.
A level of organization within the biosphere is a group of interacting individuals belong to one species and living in the same geographic area is a population.
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The process of greenhouse gasses cause gases in the atmosphere
Yes the covalent bonds give water a low heat energy