Question

A lichen is actually composed of two organisms: a fungi and a blue-green algae. Both organisms benefit from this relationship. What would we call this relationship?
Responses
A mutualismmutualism
B parasitismparasitism
C predationpredation
Question 2
In any ecosystem, the organisms ___________ for resources, such as food, water, and space.
Responses
A competecompete
B fightfight
C killkill
Question 3
In the savanna, a lion would be the ____________ while the water buffalo would be the __________.
Responses
A predator; preypredator; prey
B prey; predatorprey; predator
C parasite; hostparasite; host

Answer 1

Q1: A — mutualism. (Both partners benefit.)
Q2: A — compete. (Organisms compete for limited resources.)
Q3: A — predator; prey. (Lion = predator, water buffalo = prey.)