A Community of Living and Nonliving Things in Their Natural Environment

what is a producer?

• an organism that gets energy from eating other organisms

• an organism that uses sunlight to make its own food

• an organism that gets energy from eating dead organisms, non-living or waste

• an organism that uses chemical energy to make its own food.

A community of living and non-living things in their natural environment makes up a:

• Food web

• population

• food chain

• ecosystem

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An organism that gets energy from eating another organism is called a

• producer

• consumer

• decomposer

• prey

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An animal that gets energy from eating both plants and animals is a:

• omivore

• carnivore

• herbivore

In this ecosystem, the triggerfish can be classified as which of the following?

• Producer

• Primary consumer

• secondary consumer

• tertiary consumer

Select the correct answer

• Abiotic: seabirds, sunlight, dolphins Biotic factors: nutrients and waves

• Abiotic: nutrients, sunlight, waves and currents Biotic: seabirds, lions, whales

• Abiotic: whales, dolphins and lobsters Biotic: nutrients, sunlight, waves and currents

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An ecosystem is a collection of:

• 
  

  living and non-living things interacting with each other

• Interconnected food chains

• Living things that live in the ocean

• 
  

  non-living things interacting with each other

Which of the following are examples of interactions between biotic and abiotic factors?

• a river carrying sand to the sea

• a fish burrowing under sand to hide from predators

• a wolf eating a deer

• a tiger drinking water

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The growth of plants depends on the amount of sunlight they receive.

This is an example of the fact that:

• Biotic factors depend on other biotic factors

• abiotic factors depend on the biotic factors

• abiotic factors depend on biotic factors

• biotic factors depend on abiotic factors

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Which of the following are ecosystems?

• a lake

• a desert

• water

• air