Unit 8 Section 2: Community Interactions & Population Ecology

What type of relationship is shown here

• Commensalism
• Predation
• Parasitism
• Mutualism 

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NGSS.MS-LS2-2

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

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Honey guide birds alert and direct badgers to bee hives.  The badgers then expose the hives and feed on the honey first.  Then the honey guide birds eat.  

• mutualism
• commensalism
• predation
• competition

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NGSS.MS-LS2-2

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.  

• Parasitism
• Commensalism
• Predation
• Competition

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NGSS.MS-LS1-4

To a monkey food, water, and living space are valuable ______.

• resources
• living space
• competition
• waste

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NGSS.MS-LS2-1

Most animals have ________ for food, water, and living space.

• competition
• fun
• predation
• commensalism

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

To measure population density, you must divide the number of individuals living in a defined space by the

• area of the space
• birth and death rates
• carrying capacity
• height of the space

Nesting birds often space themselves evenly from other nests. This pattern is called

• clumped dispersion.
• uniform dispersion.
• random dispersion
• scatter dispersion

Which of the following will increase the size of a population?

• emigration and births
• immigration and deaths
• immigration and births
• emigration and deaths

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

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NGSS.MS-LS4-4