Ecosystems and Energy

Another name for a heterotroph is a ___________________.

• producer

• raw material

• consumer

• plant

Which of the following is not true about the products of photosynthesis?

• Some of the sugar is made into other compounds, such as cellulose.

• Some of the sugar is stored in the plant's cells for later use.

• The waste product carbon dioxide is given off through tiny openings on the underside of the leaves.

• The products are used by both plants and animals for energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following represents the raw materials of photosynthesis?

• carbon dioxide and oxygen

• carbon dioxide and water

• glucose and oxygen

• water and glucose

Tags

NGSS.MS-LS1-6

The main characteristic of the first stage of photosynthesis is

• the production of hydrogen and energy

• the production of hydrogen and glucose

• the release of oxygen and carbon dioxide

• the storage of glucose in the plant's cells

Tags

NGSS.MS-LS1-6

Write the chemical equation for photosynthesis (use an equals sign for the arrow).

Tags

NGSS.MS-LS1-6

NGSS.MS-PS1-5

A food web is a series of events in which one organism eats another.

• True

• False; food chain

• False; production

• False; trophic level

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

An organism that obtains energy by feeding on other organisms is a __________________.

• Producer

• Consumer

• Decomposer

• Autotroph

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

How does energy enter most ecosystems?

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organism in the food web is sometimes a first-level consumer and sometimes a second-level consumer?

Tags

NGSS.MS-LS2-2

Choose one food chain in the web. Name all the organisms in that chain. Start with the producer and end with the top-level consumer.

Tags

NGSS.MS-LS2-3