Biology - Population and Community Interactions

A lion eating a zebra is an example of:

• predation

• mutualism

• commensalism

• parasitism

A relationship between two organisms in which one organism benefits and the other is unharmed

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Barnacles create home sites by attaching themselves to whales.  The whale is unaffected.  

• commensalism
• mutualism
• predation
• laziness

Tags

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A cuckoo may lay its eggs in a warbler's nest.  The cuckoo's young will displace (or move) the warbler's young and will be raised by the warbler.  This is an example of:

• Social Parasitism

• Commensalism

• Predation

• Competition

Tags

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Ostriches and Gazelles feed next to each other.  They both watch for predators and alert each other to danger.  Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see.  

• Parasitism
• Commensalism
•  Mutualism 
• Competition.  

A squirrel hides his acorns from the chipmunks for the winter.

• commensalism
• parasitism
• competition
• mutualism

Dwarf mistletoe is a plant that grows into the bark of a tree to obtain water and nutrients. The mistletoe is a ______________

• prey
• parasite
• predator
• niche

What type of symbiosis?
*The tick lives on dog and feeds on its blood and tissue.
*  The dog gets skin irritation and can pick up diseases carried by tick.

• commensalism
• mutualism
• parasitism
• predfation

Animals that are heavily relied upon to prevent collapse of an ecosystem are known as

• apex predators

• detritivores

• producers

• keystone species

Tags

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This caterpillar is a victim of another species whose larvae developed inside of the caterpillar. It was infected by a:

• predator

• parasitoid

• parasite

Tags

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