Ecology - stuff, details, whatever, i hate biology

Question 1

Main events of the Nitrogen Cycle

Answer 1

Nitrogen gas to usable compounds,
Plant protein to animal protein,
Ammonium to nitrite,
Nitrite to nitrate,
Nitrates to plant protein

Question 2

Carbon cycle

Answer 2

Plant carbohydrate to animal carbohydrate,
Living organisms releases carbon dioxide,
Decay of organisms releases carbon dioxide,
Combustion of fossil fuels releases carbon dioxide

Question 3

Why is the carbon cycle critical to life on Earth

Answer 3

For C to be reused by organism or,
So C won’t run out

Question 4

Why do organisms need nitrogen

Answer 4

To make protein

Question 5

Three outcomes of applying fertilisers to increase the amount of soil nitrates

Answer 5

More nitrification,
More plant growth,
More nitrogen absorbed by plants

Question 6

What is meant by conservation of a species

Answer 6

Management and protection of organisms and their habitats

Question 7

Name and describe one from fisheries

Question 8

One advantage of carrying out surveys on animal populations

Answer 8

Monitor changes and to prevent extinction in species’

Question 9

Quantitative survey

Answer 9

Number of organisms

Question 10

Qualitative survey

Answer 10

Presence of an organism