Biodiversity

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.MS-LS2-2

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.

• commensalism
• mutualism
• neutralism
• competition

Tags

NGSS.MS-LS2-2

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

• Predation

• Parasitism

• Commensalism

• Mutualism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Water and food are examples of _____________ for populations

• emigration
• carrying capacity
• limiting factor
• immigration

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If an area has all the wolves that it can support, the wolf population has reached its _______________________.

• limiting factor
• carrying capacity
• emmigration
• immigration

Tags

NGSS.MS-LS2-1

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A flood that covers a meadow and drowns animals and a late frost that kills young plants are examples of how ____________ can affect the size of a population.

• space
• food
• weather
• growth

Tags

NGSS.MS-LS2-4

What factor describes when populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

This occurs when organisms move out of an ecosystem that is in chaos.

• Immigration
• Emmigration
• Birth Rate
• Death Rate

Tags

NGSS.MS-LS2-4

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

Tags

NGSS.MS-LS2-4

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