Symbiosis

Question 1

Predation

Answer 1

( +/- interaction) refers to an interaction in which the predator kills and eats the prey.

Question 2

Herbivory

Answer 2

( +/- interaction) refers to an interaction in which an herbivore eats parts of a plant or alga.

Question 3

Parasitism

Answer 3

( +/- interaction) the parasite derives nourishment from its host, who’s harmed in the process.

Question 4

Mutualism

Answer 4

( +/+ interaction) both species benefit.

Question 5

Commensalism

Answer 5

( +/0 interaction) one species benefits, and the other is neither harmed nor helped.

Question 6

Competition

Answer 6

( -/- interaction) occurs when species compete for a limited resource that limits survival and reproduction.