Question 1

Mutualism

Accepted Answer

Both organisms benefit from the interaction(Ex: A bee pollinating a flower.)

Question 2

Parasitism

Accepted Answer

One organism helps itself while hurting another.(Ex: A tapeworm living in a dog.)

Question 3

Commensalism

Accepted Answer

One organism helps itself without helping or hurting the other organsim.(Ex: Moss grows on a tree without affecting the tree.)

Question 4

Predation

Accepted Answer

One organism kills and eats another organism.(Ex: A snake eating a mouse.)

Question 5

Competition

Accepted Answer

Two organisms share a limited resource like food or water and must compete over it

Question 6

What type of interaction is pollination?

Accepted Answer

Pollination is mutalistic. The pollinators (bees, wasps, birds) get food and the plants sexually reproduce.

Question 7

Scavengers participate in which type of interaction?

Accepted Answer

They have a commensalistic relationship with predators.

Question 8

Do competitive organisms have to directly interact?

Accepted Answer

NO, Organisms competing over food or water may never directly interact with each other

Question 9

What resources might organisms of the same species compete over?

Accepted Answer

1. Mating Partners 2. Territory 3. Food

Question 10

When would two different species compete?

Accepted Answer

When they occupy the same niche

Question 11

How can two species avoid competition?

Accepted Answer

They can occupy different niches

Question 12

What gives a non-native species a competitive advantage?

Accepted Answer

They have no natural predators

Question 13

What is an organism's niche?

Accepted Answer

The role of a species. The resources it uses and how it affects the environment

Question 14

What happens to a population that is being out-competed by another?

Accepted Answer

The population will shrink, and possibly die out

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