Chapter 9: Interactions of Living Things

Which of these is NOT an abiotic part of an ecosystem?

• water

• soil

• atmosphere

• populations

Which of the following is correct?

• A biome is part of an ecosystem. An ecosystem is part of the biosphere.

• An ecosystem is part of the biosphere. The biosphere is part of a biome

• A biosphere is part of a biome. A biome is part of an ecosystem.

• An ecosystem is part of a biome. A biome is part of the biosphere.

Which statement is true?

• Biomes have clearly defined borders.

• Biomes can influence each other.

• Biomes do not contain abiotic factors.

• Ecosystems must be either aquatic or terrestrial, never both.

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NGSS.MS-LS2-2

What is a biome?

• the living and nonliving things in one place

• the parts of the Earth and the surrounding atmosphere where there is life

• a large region on Earth with a specific climate, physical features, plants, and other organisms.

• none of the above

When an ecosystem changes, the results are____.

• all positive

• all negative

• neither positive nor negative

• mixed between positive and negative

Tags

NGSS.MS-LS2-4

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A carrying capacity is anything that restricts the number of individuals in a population

• True

• False

Tags

NGSS.MS-LS2-4

Would the carrying capacity of an area for a species be affected by the other species that live in the same area?

• No, each species is separate

• Only if the species in question and the second species eat the same food

• Only in the winter when food and shelter are more scarce

• Yes, all populations in a community affect each other

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Each organism has its own unique way to survive, obtain food and shelter, and avoid danger. This is called that organism's ______.

• habitat

• niche

• symbiont

• community

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NGSS.MS-LS4-4

When two species interact in a way that is beneficial to both species, this is a _______ relationship.

• parasitic

• mutualistic

• commensal

• community

When two species interact in a way that is beneficial to one but harms the other species, this is a _______ relationship.

• parasitic

• mutualistic

• commensal

• community