Energy in Ecosystems

Which part of Earth are all living things found?

• atmosphere

• biosphere

• hydrosphere

• geosphere

Animals can obtain the energy they need to survive and carry out life processes by eating plants or eating animals that eat plants.

• True

• False

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

The __________________ includes all the gases around Earth.

• hydrosphere

• crust

• atmosphere

• cloud

Tags

NGSS.MS-ESS2-6

What is at the beginning of every food chain and food web?

• a decomposer

• the Sun

• a consumer

• a producer

Which is not an example of how a change in one of Earth's systems may affect another system?

• Lack of rain dries up vegetation on Earth.

• Smoke blocks sunlight from reaching Earth.

• Bears hibernate during the cold winter months.

• Heavy rain washes away soil and rocks from a hillside.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-4

What type of organism makes its own food?

• decomposer

• consumer

• carnivore

• producer

Tags

NGSS.MS-LS1-6

What type of organism is at the beginning of a food chain?

• decomposer

• consumer

• carnivore

• producer

Which of the following would NOT appear in a forest food web?

​ ​ ​

• a mouse that eats a grasshopper
• a bear that eats nuts and berries
• an owl that eats a snake
• a giraffe that eats leaves

Tags

NGSS.MS-LS2-2

Select the word that fills in the blank.

An organism that must eat another organism to obtain energy for survival is known as a __________________.

​

• decomposer
• producer
• consumer

Tags

NGSS.MS-LS2-3

In the nitrogen cycle, nitrogen cycles between __________________.

​

• the air, organisms, and the soil

• water and plants

• the air and sunlight

• rocks, air, and the soil

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-1