B 16 lesson 2

Question 1

food chain

Answer 1

a hierarchical series of organisms each dependent on the next as a source of food.

Question 2

food web

Answer 2

a system of interlocking and interdependent food chains.

Question 3

herbivore

Answer 3

an animal that feeds on plants

Question 4

carnivore

Answer 4

an animal that feeds on meat

Question 5

predator

Answer 5

an animal that naturally preys on others.

Question 6

prey

Answer 6

an animal that is hunted and killed by another for food.

Question 7

scavenger

Answer 7

an animal that feeds on carrion, dead plant material, or refuse.

Question 8

onmivore

Answer 8

an animal or person that eats food of both plant and animal origin.

Question 9

sybiosis

Answer 9

interaction between two different organisms living in close physical association, typically to the advantage of both.

Question 10

mutalism

Answer 10

the doctrine that mutual dependence is necessary to social well-being.

Question 11

parasitism

Answer 11

when an other organism benefits while the other is harmed

Question 12

commensalism

Answer 12

an association between two organisms in which one benefits and the other derives neither benefit nor harm.