Ecosystems

Choose the factor(s) that can be used to describe a habitat

• The average amount of sunlight received each day

• The range of annual temperatures

• The average yearly rainfall

• All of the above

What will happen if two species occupy the same niche?

• The two species will compete with each other

• One species will out-compete the other

• One species may go extinct

• All of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

What is a habitat?

• A group of animals

• Role a species plays in the ecosystem

• Physical area where a species lives

• All of the above

Once a niche is left vacant, what happens?

• The niche disappears

• A new species evolves to fill the niche

• The niche adapts for an existing species

Tags

NGSS.MS-LS2-4

Two species can fill the same niche

• True

• False

Which of the following are crucial to maintaining the balance of the ecosystem?

• abiotic factors

• biotic factors

• both A and B

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NGSS.MS-LS2-3

NGSS.MS-LS2-5

All biotic and abiotic factors and the interactions between them in an area make up a _____?

• Globalism

• Globalization

• Ecosystem

• Microcosm

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Choose examples of abiotic factors

• temperature

• water

• soil

• fungi

Tags

NGSS.MS-LS2-3

The flow of energy within an ecosystem refers to

• the recycling of nutrients

• photosynthesis

• the production and consumption of food

• biogeochemical cycles

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Parasitism is

• When two organisms interact and it is beneficial for both of them

• When two organisms interact and one benefits with no harm or benefits to the other

• When two organisms interact and one benefits while one is harmed