Energy Flow

Which of these best explains why predators need plants, such as grass, in their ecosystem?

• Plants are a large part of their diets
• Plants provide safety for predators
• Plants break down the organisms that the predators eat
• Plants provide food for their animals that the predators eat

What do the arrows indicate in a food web?

• What eats what
• Where the energy is being transferred
• How the animals are related

Tags

NGSS.MS-LS2-3

Autotrophs are organisms that produce their own food. Which do scientist classify as autotrophs?

• Chordates
• Fungi
• Plants
• Molds

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Carbon from the environment becomes a part of living organisms when sugar molecules are returned and broken down to release energy and oxygen. This process would be described as

• Photosynthesis
• Cellular respiration
• Transpiration
• Decomposition

Tags

NGSS.MS-LS1-7

What type of organisms are the first step in a food chain?

• Consumers
• Predators
• Producers

Tags

NGSS.MS-LS2-3

Organisms that make their own food

• Producer

• Consumer

• Decomposer

Tags

NGSS.MS-LS1-6

Organisms that obtain energy by feeding on other organisms

• Producer

• Consumer

• Decomposer

Tags

NGSS.MS-LS2-2

As you work your way up the energy pyramid, what happens to the energy?

• It increases

• It decreases

• It stays the same

• Nothing

Tags

NGSS.MS-LS2-3

In the energy pyramid, what is the bottom level composed of?

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Tags

NGSS.MS-LS2-3

In the energy pyramid, what comes after the producers?

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Tags

NGSS.MS-LS2-3