Answer:
About 5billion years ago is the correct option.
Explanation:
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Answer:
Like bees and other pollinators, butterflies pick up pollen while they sip a flower's nectar. Once they're off to another plant, the pollen goes with them, helping to pollinate the plant species.
Explanation:
Cells are of two types: eukaryotic, which contain a nucleus, and prokaryotic, which do not. Prokaryotes are single-celled organisms, while eukaryotes can be either single-celled or multicellular.
Geographical isolation usually refers to <span>two populations of the same species being separated due to some type of physical barrier. This separation of population </span>occurs<span> when a body of water or land forms and divides a habitat. </span>Geographic isolation<span> of a species also can </span>occur<span> when animals migrate to an isolated island.</span>
