B10. Energy flow in ecosystems

Question 1

Principle source of energy

Answer 1

the Sun

Question 2

Food chain

Answer 2

the flow of energy from one organism to the next beginning with a producer

Question 3

Food web

Answer 3

a network of interconnected food chains showing the energy flow through part of an ecosystem

Question 4

Producer

Answer 4

an organism that makes its own organic nutrients, usually using energy from sunlight and through photosynthesis

Question 5

Consumer

Answer 5

an organism that gets its energy by feeding on other organisms

Question 6

Herbivore

Answer 6

an animal that gets its energy by eating plants

Question 7

Carnivore

Answer 7

an animal that gets its energy by eating other animals

Question 8

Decomposer

Answer 8

an organism that gets its energy from dead or waste organic matter

Question 9

Ecosystem

Answer 9

a unit containing all of the organisms and their environment interacting together in a given area

Question 10

Trophic level

Answer 10

the position of an organism in a food chain or food web