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