The dichotomous key is used as a classifying tool for items in the natural world, (trees, wildflowers, mammals, reptiles, rocks...). At each step of the classification process,<span> the user is given two choices and each choice leads to another question until the item is identified.</span>
<span>A dichotomous key starts with specific information and leads to general information.
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The gene pool of the population will remain relatively constant.
<u>Answer:</u> B. Pond
<u>Reasoning:</u> A lake is typically large and have a large dept, same with an ocean(But an ocean is much larger) so the temperature won't be constant.
A lagoon is a moving body of water that covers small bodys of sand or coral.
Cells have a plasma membrane to protect the cell from its own environment.