What is a group of organs working together for a certain function? a. organ system b. organism c. tissue d. cell

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

This is a type pf behavior that animals are born with and them to survive

Where can you find prokaryotic and eukaryotic cells?