Neville has low blood pressure and his pituitary started producing a hormone to maintain water balance. his blood pressure eventually returned to normal.

which best describes what might happen next?

positive feedback will stop the release of this hormone.
positive feedback will speed up the release of this hormone.
negative feedback will speed up the release of this hormone.
negative feedback will stop the release of this hormone.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Which of the following is a testable hypotheses?

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.