Energy Flow

A food web is more realistic than a food chain for showing the feeding relationships because

What do you always find at the start of a food chain or web?

Which of the following two organisms are producers?

A producer uses energy from the Sun to make food. Which of these is NOT a producer?

What do you call an animal that hunts and eats other animals?

How many times more energy is available at the producer level than at the secondary consumer?

An example of a food chain in the ocean is

Which is an example of a consumer eating another consumer?

Food chains are of a limited length because

Each level in a food chain is called the

A pyramid of numbers shows that in an ecosystem

In biology, an example of a producer is a

Which level(s) in the energy pyramid contains the producers?

A network of interrelated food chains is

Why do food chains and food webs start with green plants?

Only a small amount of the energy is available to the next organism in a food chain because

Which level(s) in the energy pyramid contain consumers?

The organism that is never included in an energy pyramid is the

Another name for a plant eater is:

Which part of a food chain is affected by one animal becoming extinct?

Producers make food using ______ to trap the Sun's energy in a process called photosynthesis.

What does an energy pyramid show?

Which of the following could be placed in the first level of an energy pyramid?

A consumer gets its food by eating other organisms. Which of these is NOT a consumer?

A consumer that eats already dead animals is the

An organism at the end of a food chain is a

One model that shows how energy passes from organism to organism is called

A triangular diagram that shows the flow of energy from one level to another is called a(n):

An animal that eats both plant and animal matter is a

Why are there usually few organisms at the top of an energy pyramid?

If producers receive 1,000kcal of energy, what would the tertiary consumers receive?

What part do humans play in food chains?

How does the energy at one level of an energy pyramid compared to the amount at the next up?

What is a food chain?

A wood mouse eats leaves. A badger eats wood mice. Which animal is the prey in this food chain?

Name the transfer of energy in a food chain

The size of organisms along a food chain tends to

What level of the energy pyramid has the least amount of available energy?

Examples of decomposers are: