Energy In Ecosystems

Question 1

What is a food chain?

Answer 1

A food chain is a diagram which shows how energy is passed on from one organism to another in an ecosystem, when organisms are eaten

Question 2

What do all food chains start with?

Answer 2

A green plant called a producer

Question 3

What do the arrows in a food chain represent?

Answer 3

The direction of energy flow from one organism to another

Question 4

What is the energy passed on from one organism to another used for?

Answer 4

Growth

Question 5

Three ways energy is lost from a food chain?

Answer 5

Heat, movement, undigested material

Question 6

How do green plants get their energy?

Answer 6

Photosynthesis

Question 7

What is a food pyramid?

Answer 7

Food pyramids give you information about the organisms at each stage of the food chain

Question 8

What is a pyramid of numbers?

Answer 8

A pyramid of numbers is a diagram that represents the number of organisms at each stage of the food chain

Question 9

Are pyramids or numbers always a true pyramid shape?

Answer 9

No

E.g. oak tree ➡️ insects ➡️ woodpecker

Question 10

What is a pyramid of energy?

Answer 10

A pyramid of energy represents the energy available at each stage of a food chain. As energy is lost at each stage of the food chain it is ALWAYS a pyramid shape