CA 2.1 Review

_______ is an interaction between 2 organisms where at least 1 benefits

• Symbiosis

• Predation

• Competition

What type of symbiosis happens when one organism benefits from an interaction while the other is unaffected (doesn't care)

• Mutualism

• Parasitism

• Commensalism

• Competition

_______ is where one organism (predator) eats another (prey).

• Predation

• Parasitism

• Symbiosis

• Competition

________ is where (at least) 2 organisms are using the same resource (food, water, shelter, sunlight, space).

• Predation

• Symbiosis

• Commensalism

• Competition

________ is where one organism benefits from an interaction, while the other is Harmed.

• Mutualism

• Parasitism

• Commensalism

• Competition

​ is when both organisms in a relationship benefit from the interaction.

• Mutualism
• Parasitism
• Commensalism
• Competition

(See picture) Which interaction(s) is (are) an example of Parasitism

• Only 1

• Only 2

• Both 2 and 3

• Both 3 and 1

Joey lsiten interactions among different organisms in their methods of obtaining food. Which example represents "mutualism?"

• a lion catching and eating a deer in a forest

• a caterpillar feeding on the leaves of a plant

• an egret feeding on insects in grass grazed by cattle

• a honeybee and a butterfly feeding on nectar of the same flower

(see picture) How is the relationship between the reindeer and the Artic fox for an example of commensalism?

• Both animals in the relationship benefit from each other

• Both animals compete for the same resources at the same time

• One animal benefits while the other is neither harmed nor helped.

• One of the animals in the relationship is harmed while the other is helped.

In the Isle Royale National Park in Michigan, wolves are predators of moose. The Park Rangers recorded the populations of wolves and moose over 40 years.

Which graph shows the MOST common relationship between the two populations?

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