Answer:
They are classified into three orders: frogs and toads, salamanders and newts, and caecilians.
It increases genetic diversity by introducing alleles from one population into another.
Active transport would be required because in order to move across a membrane against the concentration gradient, energy is needed. Active transport uses energy to help molecules/ ions achieve this movement.<span>
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<span>By their nature, they can be either "good" (beneficial) or "bad" (harmful) for the health of plants, humans, and other animals that come into contact with them. A virus is acellular (has no cell structure) and requires a living host to survive; it causes illness in its host, which causes an immune response.Bacteria are alive, while ...</span><span>
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