* In prokaryotes, when is gene expression regulated?
O at the start of DNA replication
O at the end of DNA replication
O at the start of translation
O at the start of transcription

Marianne is comparing two animals: a fruit fly and a fruit bat. she asks, "do a fruit fly and a fruit bat share a common ancestor in their evolutionary history? " according to evolutionary theory, what is the answer to marianne's question?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Individuals do not compete directly for resources, but are prey for the same predator