Energy flow in an ecosystem is best represented by
a. the predator/prey relationship
b. food chains
c. food webs
d. autotrophs

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which organ controls breathing? lungs alveoli heart diaphragm

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.