Which role do bacteria serve?

A. creators of energy

B. recyclers of matter

C. recyclers of energy

D. destroyers of matter

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

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

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above