Ecology Question Preview (ID: 16408)


Organism Relationships, Ecology. TEACHERS: click here for quick copy question ID numbers.

A mosquito feeding off of a human.
a) Predation
b) Parasitism
c) Commensalism
d) Mutualism

Barnacles living on a whale, neither harms or hurts the whale..
a) Parasitism
b) Predation
c) Commensalism
d) Mutualism

What is an omnivore?
a) Eats both plants and animals.
b) Eats only plants.
c) Eats only meat.
d) None of the above.

Bacteria living at the roots of a tree: the tree gains nutrients, but the bacteria gain nothing from the tree.
a) Predation
b) Parasitism
c) Mutualism
d) Commensalism

Mistletoe lives on and feeds off of a tree. The tree is harmed.
a) Predation
b) Parasitism
c) Mutualism
d) Commensalism

A lizards catches and eats an insect.
a) Predation
b) Parasitism
c) Commensalism
d) Mutualism

Lichen is a protist and an algae living together. The algae retains moisture that both need to live. The protist produces nutrients for both.
a) Parasitism
b) Predation
c) Commensalism
d) Mutualism

Both organisms benefit from living together.
a) Mutualism
b) Predation
c) Parasitism
d) Commensalism

Create their own energy source, autotrophs.
a) Producers
b) Consumers
c) Both
d) Neither

Amount of energy passed on from one trophic level to the next..
a) 0%
b) 10%
c) 20%
d) 25%

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