Bio Unit 5 Assessment V1

A group of organisms of the same species that live in the same area is called a(n)

• community
• population
• biome
• ecosystem

The base of most marine ecosystems are producers known as

• ferns

• zooplankton

• phytoplankton

• fungi

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Chemosynthesis is the process in which organisms

• form carbohydrates using chemicals.

• get energy by eating other organisms.

• make chemicals that absorb sunlight.

• use energy from the sun to form carbohydrates.

Studying a software representation of an ecosystem on a computer is an example of

• experimentation

• modeling

• surveying

• observation

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Nonliving factors of an environment are

• biotic
• abiotic
• bacteria
• plankton

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Which of the following is an example of a biotic factor in an ecosystem?

• sunlight
• stream
• tree
• rock

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Nutrients are recycled from dead animals and plants by

• carnivores

• herbivores

• chemosynthesis

• decomposers and detritivores

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A moose is considered to be a heterotroph because it

• gets energy by eating other species.

• makes its own food.

• forms carbohydrates using chemicals.

• uses sunlight for energy.

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The correct order for the levels of ecological organization in the biosphere from smallest to largest is:

• biome, population, ecosystem, biome, species

• ecosystem, population, community, biome, species

• species, population, community, ecosystem, biome

• species, population, ecosystem, community, biome

The study of the complex system of interactions that sustain life on the planet is

• zoology.
• chemistry.
• ecology.
• economics.

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