Bats and birds eating insects at different times of day is an example of (1 point) O survival of the fittest.
O resource partitioning.
O competitive exclusion.
O natural selection.

Discuss the similarities and differences between whale flippers and tail flukes(*back fins, not the fish) and fish fins, using the scientific terms "homologous structures" and "analogous structures" in the discussion (5-7 sentences)