Lesson 3: Cycling of Matter

Lesson 3: Cycling of Matter

by yamna Alketbi

Multiple Choice

Consumers produce their own food.

• True

• False

Multiple Choice

Energy cycles through ecosystems because it returns to the Sun.

• True

• False

Multiple Choice

Available energy increases as it is transferred from one organism to another in a food chain.

• True

• False

Multiple Choice

Which of the following would eat a dead rabbit?

• A)

  carnivore

• B)

  detritivore

• C)

  herbivore

• D)

  omnivore

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​The Carbon cycle

​The Carbon Cycle

Multiple Choice

The source of almost all energy on Earth is the climate.

• True

• False

Multiple Select

Some organisms get carbon from ................... and other from ...............................or ..........................

• Food

• Bodies of water

• Atmosphere

• Rock

• Sunlight

Multiple Choice

Which process can release carbon to the air and into the soil?

• A)

  photosynthesis

• B)

  decomposition

• C)

  combustion

• D)

  cellular respiration

Multiple Choice

Which of the following is NOT a way that carbon is stored in the environment as a fossil fuel?

• A)

  water

• B)

  coal

• C)

  oil

• D)

  natural gas

Multiple Choice

water covers about .................. of the earth's surface

• 30%

• 100%

• 70%

• 97%

Multiple Choice

Most of Earth's water about 97% is in ......................................

• rivers

• lakes

• oceans

• underground

Multiple Choice

Which is a model of feeding relationships?

• A)

  protein building

• B)

  food map

• C)

  food web

• D)

  sugar molecules

Multiple Choice

Which of the following organisms would NOT be in the first trophic level of an energy pyramid?

• A)

  dog

• B)

  tree

• C)

  grass

• D)

  algae

Multiple Choice

Which is most likely the first step in a basic food chain?

• A)

  The snake obtains energy by eating the mouse.

• B)

  Plants make energy-rich food using sunlight.

• C)

  The Sun emits energy.

• D)

  The hawk obtains energy by eating the snake.

Multiple Choice

Which of the following eats only eucalyptus leaves?

Multiple choice question.

• A)

  carnivore

• B)

  detritivore

• C)

  herbivore

• D)

  omnivore

Multiple Choice

Which of the following would eat a hamburger with lettuce on it?

Multiple choice question.

• A)

  carnivore

• B)

  detritivore

• C)

  herbivore

• D)

  omnivore

Multiple Choice

As you move upward, from level to level, in an energy pyramid, available energy ____.

• A)

  decreases

• B)

  increases

• C)

  stays at the same level

• D)

  is destroyed

Multiple Choice

A student draws this diagram to show the energy flow in an ecosystem that contains producers, consumers, and decomposers.

The diagram is incomplete. Which statement best describes how the student should complete the diagram?

• Draw arrows to represent the input from other energy sources.

• Draw arrows to represent the energy lost to the environment at each level.

• Draw an arrow to indicate energy flow from consumers to producers.

• Draw an arrow to indicate energy flow from decomposers back to producers.