Food Chains and Food Webs

What do all biotic factors (living things) need in order to survive?

Where does ALL of the energy in the food chain or food web come from?

• the Sun

• the Earth

• plants

• wind

CHOOSE THE BEST ANSWERS TO COMPLETE THESE SENTENCES:

Plants use ​ (a)   to make their own food. Because of this, they are called ​ (b)   .

• decomposers
• carbon dioxide
• photosynthesis
• producers

What does the word "consume" mean when talking about a food chain or food web?

• eat

• walk

• run

• climb

Organisms that get their energy DIRECTLY from the producers are considered which of these?

(CHOOSE 3 THAT ARE TRUE.)

• herbivore

• primary consumers

• consumers

• secondary consumers

• carnivore

Which of these describes the fox's role in the food chain?

• carnivore

• consumer

• secondary consumer

• herbivore

• producer

The direction the ​ (a)   point in a food chain or food web show which direction the ​ (b)   and matter are being ​ (c)   .

• arrows
• energy
• transferred
• consumers
• eaten

What happens to the energy as it is passed along to each level of the food chain or food web?

• it decreases

• it increases

• it stay the same

• there is no way of knowing

What does it mean when an organisms is said to be "at the top of the food chain"?

• It sits on top of the other organisms.

• It has no predators that hunt them as food.

• It is the fastest of all the organisms.

• It can climb higher than the other organisms.

Which of these are apex predators?

• shark

• lion

• human

• fish

• rabbit