What surrounds a bacteria cell and allows a cell wall to escape predation by other cells?

In which of the following relationships is one organism always benefited while the other organism is always harmed

20 how are energy cycles and growth cycles related?

Which statements about a food chain are true? choose all answers that are correct. a. plants are the first living organisms in food chains on land. b. the plants in a food chain are called herbivores. c. all food chains on land begin with energy from the sun. d. carnivores in a food chain eat only plants.