The rise and fall of evolution’s first shot at butterflies
Apparently the evolutionary formula for butterflies is one part flying insect plus one part nectar-containing plant structure.
Apparently the evolutionary formula for butterflies is one part flying insect plus one part nectar-containing plant structure.
Reptiles, like lizards, are ectotherms. They’re cold-blooded, which usually means they’re as warm or cold as the environment around them.