Organisms in an ecosystem must either produce their own energy or receive energy from other organisms. the biological interaction in which one organism hunts, kills, and eats another organism for energy is known as

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Donde se encuentra el adn nuclear en un organismo eucariota?

How does the nervous system affect the excretory system?