Waste Materials Fom Plants And Animals

Question 1

State that living things remove materials from the environment

Answer 1

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Question 2

State that when organisms die and decay, materials are returned to the environment

Answer 2

When organisms die the organisms decay and those nutrients that the organism carried are put back into the soil

Question 3

Define the term “decay” and describe the conditions that micro organisms grow fastest in

Answer 3

Rot or decompose through the action of bacteria and fungi. Micro organism grow the fastest in oxygenated areas, warm area and moist area.

Question 4

Explain why decay is important for plant growth

Answer 4

Because the plants can take in the nutrients from the decay of an organism

Question 5

Describe stable community in terms of the materials being cycled within it

Answer 5

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Question 6

State how carbon dioxide is removed from, and released into the atmosphere

Answer 6

Caron dioxide is absorbed by the plants and animals feed on the plant, passing carbon compounds along and most CO2 is exhaled from respiration.

Question 7

Describe the role of plants, animals and microorganisms in the carbon cycle

Answer 7

Plants absorb the CO2 animals feed on the plants who contain the carbon compounds and the microorganism eats the dead organism which respires give CO2 out

Question 8

Explain how combustion affects carbon dioxide levels

Answer 8

The anima material can be available in future combustion which effects CO2 levels