Organism and their environment

Question 1

the Sun is the principal source of energy input to biological systems

Answer 1

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Question 2

flow of energy through living organisms

Answer 2

Energy is introduced into biological system as light energy, which is absorbed by plants. This energy is transferred into chemical energy and can pass to other organisms through feeding. When these animals die, they are broken down by decomposers which return their nutrients into the soil.

Question 3

Food chain

Answer 3

showing the transfer of energy from one organism to the next, beginning with a producer

Question 4

How is energy transferred in the food chain

Answer 4

energy is transferred between organisms in a food chain by ingestion