B.16

Question 1

What is a consumer

Answer 1

Organisms that have to eat other organisms for energy

Question 2

What are producers

Answer 2

Organisms that can produce there own energy

Question 3

What is a predator

Answer 3

A consumer that eats other consumers for energy

Question 4

What is prey

Answer 4

A consumer that is eaten by other consumers for energy

Question 5

What is the decay cycle

Answer 5

The decay cycle shows how nutrients and minerals are recycled throughout an ecosystem

Question 6

What is the hydrological cycle

Answer 6

The cycle shows how water is recycled throughout an ecosystem

Question 7

What are decomposers

Answer 7

Bacteria and fungi that break down waste products and dead bodies to release the minerals they contain into the soil and atmosphere

Question 8

What are detritovores

Answer 8

Worms, maggots and some beetles that often start the decomposition process by breaking down waste products and dead bodies into smaller parts

Question 9

Describe what happens through perculation

Answer 9

Water sinks through the cracks in rocks and flows towards a water body through groundwater flow

Question 10

What is the role of photosynthesis in the carbon cycle

Answer 10

Photosynthesis is the only way CO2 can move from the atmosphere into living organisms

Question 11

What is the role of respiration in the carbon cycle

Answer 11

Animals respire and release CO2 back into the atmosphere as a waste product

Question 12

What is the role of combustion in the carbon cycle

Answer 12

Fossilised plants and animals become carbon stores like coal or oil which are dug up and burnt, realising carbon back into the atmosphere