Ecosystem Energy

What is being produced during photosynthesis?

• sugar (glucose) and oxygen

• sugar (glucose) and carbon dioxide

• glucose

• gases

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In what way are photosynthesis and cellular respiration different?

• Cellular respiration stores energy, while photosynthesis releases energy

• Cellular respiration produces oxygen, while photosynthesis uses oxygen

• Photosynthesis releases energy, while cellular respiration stores energy

• Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide

Tags

NGSS.MS-LS1-6

This tortoise is eating cactus on a sunny day. Is carbon moving into the air, moving out of the air, or both?

• Carbon is not moving into the air; it is only moving out of the air.

• With this information, there is no way to know for sure.

• Carbon is only moving into the air; it is not moving out of the air.

• Carbon is moving into the air and out of the air at the same time.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The diagram shows a food web.

Which two organisms share the same trophic level?

• Hawk and Rabbit

• Deer and Frog

• Cricket and Mouse

• Deer and Cricket

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which statement best explains the reason for the decrease in available energy with each higher trophic level?

• Some energy is lost to the environment.

• Some energy is converted into food.

• Some energy is consumed by the decomposers.

• Some energy is broken down by the consumers.

Tags

NGSS.MS-LS2-3

A wolf eats deer that feed on plants. An incomplete energy pyramid diagram is shown.

At which level do the deer belong in the energy pyramid?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

According to the diagram, which organism is a producer?

• Dragonfly

• Grass

• Algae

• Frog

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement about the food web is true?

• There are more consumers than producers.

• There are more producers than consumers.

• The ecosystem does not contain any carnivores

• The organisms with the most energy available are the snake and hawk.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What does the shape of the energy pyramid indicate about the flow of energy in an ecosystem?

• Energy flows from trophic level 1 to trophic level 4.

• Energy flows from trophic level 4 to trophic level 1.

• The energy available to each trophic level is equal.

• The energy available to trophic level 1 and 2 is less than tropic levels 3 and 4.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Many animals eat both plants and other animals. Which term describes animals who fulfill this role in a food web?

• producers

• scavengers

• decomposers

• consumers

Tags

NGSS.MS-LS2-2