Scattered in the lipid bilayer are cholesterol molecules, which help to keep the membrane fluid consistent. Membrane proteins are important for transporting substances across the cell membrane. They can also function as enzymes or receptors. On the extracellular fluid side of a cell membrane, you find carbohydrates.
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Introducing evasive species to a food web can damage the ecosystem as the existing life depends on each other. Having a new organism come in and take extra food harms the organisms that eat that food, and in turn if there is nothing left from (lets say the carnivores), the producers will have very little nutrients to absorb from the soil. Once the producers die, the herbivores will die because they have no food. Then the chain of death will continue till there's nothing left.
Explanation:
Answer:
Adaptations develop from variations within a population and help organisms to survive in their given environment. Changes in populations accumulate over time; this is called evolution. The fossil record shows us that present-day life forms evolved from earlier different life forms.
Answer:
I believe it is the 3rd one ( bottom one)