Ecology: Ecosystems, Cycle of Matter

What term is defined by the following: the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

• Ecology
• Ecosystems
• Biology
• Earth Science

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

In nature two species rarely occupy the same niche.  If a new species is introduced to an an ecosystem, what will occur between the new species and the native species?

• Predation
• Division of prey
• Competition
• Succession

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

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NGSS.MS-LS2-3

_______ are consumers that eat only meat.

• Herbivore
• Omnivore
• Carnivore

Which group do fungi, bacteria, and termites belong to?

• decomposers
• producers
• herbivores
• omnivores

Which organism make their own food through the process of photosynthesis? 

• decomposer
• consumer
• herbivore
• producer 

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Field mice eat corn. Which would most likely happen if the field mouse population grew?

• There would be more corn to feed the field mice.
• There would be less corn due to the mice eating it.
• The habitat would get overpopulated because the mice woudl eat too much.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which describes a decomposer?

• an organism that eats only plants
• an organism that makes its own food
• an organism that breaks down dead matter
• an organism that recieves energy from the sun

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease
• stay the same
• increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What are interconnected food chains called?

• consumers
• predators
• food web

Tags

NGSS.MS-LS2-3