6.2 Life Science Do Now

Which of the following is NOT one of the categories of ecosystems?

• Marine

• Freshwater

• Terrestrial

• Biome

Answer explanation

Biome is not a specific type of ecosystem.

Biome refers to the community of plants and animals that occur naturally in an area.

Which type of ecosystem is the MOST abundant on Earth? It covers approximately 75% of the planet.

• Marine

• Freshwater

• Terrestrial

• Arctic

Answer explanation

Marine ecosystem is the ocean, and it's very salty!

BIOTIC factors include which ONE of the following?

• plants

• oxygen

• rain

• carbon dioxide

Answer explanation

Biotic means living. Plants are the only living thing listed.

Soil contains both Abiotic and biotic materials. Which is a biotic factor within soil?

• minerals

• grains of sand

• water

• dead leaves

Answer explanation

dead leaves come from something living, so they are considered biotic.

What does Interdependence mean in relation to ecology?

Look it up!

the word prefix A- means

examples: Abiotic, Atypical, Asymptomatic

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the word prefix Bio- means

examples: biotic, BIOlogy, BIOsphere

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the word prefix Inter- means

examples: INTERact, INTERcept

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the word prefix Non- means

examples: NONtoxic, NONabrasive