2. all organisms possess dna. dnaa. creates energy for the cells. b. allows sensitivity to environmental stimuli. c. tains information for growth and developmentd. captures energy from the sun.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy