Ecology Key Terms

Question 1

Community

Answer 1

Made up of populations of different species of organisms that are all interdependent in a habitat

Question 2

Abiotic factors examples

Answer 2

Light intensity
Temp
Moisture levels
Soil pH and mineral content
Wind intensity and direction
Carbon dioxide levels
Oxygen

Question 3

Biotic factor examples

Answer 3

Availability of food
New predators
New pathogens

Question 4

Biodiversity

Answer 4

Variety of all the different species of organisms on earth or within and ecosystem

Question 5

The increase of what gasses contributes to global warming?

Answer 5

Co2 and CH4

Question 6

Methods of increasing bio diversity

Answer 6

Reintroduction of field margins and hedgerows in agricultural areas where farmers grow only one type of crop.

Recycling instead of dumping waste in landfils

Protection and regeneration of rate habitats

Breeding programmes of endangered species

Question 7

What is a stable community

Answer 7

Where all the species and the environmental factors are in balance so that population sizes remain fairly constant