Competition

Question 1

Define habitat
Define population

Answer 1

habitat = The place where an organism lives
population = all the organisms of one species living in a habitat

Question 2

Define community
Define Abiotic factors

Answer 2

Community = the population of different species living in a habitat
Abiotic factors = non-living factors on the environment

Question 3

Define biotic factors
Define ecosystem

Answer 3

Biotic factors : living factors of the environment , e.g food
Ecosystem: The interaction of a community of living organisms (biotic) with non-living ( abiotic ) parts of the environment

Question 4

What do organisms need in order to survive and why?
Who do they compete with ?

Answer 4

1) Things from the environment and from other organisms
- Plants need water, space , mineral ions , light
- Animals need territory, food, water, mates

2) In order to survive and reproduce

3) with other species for the same resource

Question 5

What is interdependence ?

Answer 5

In a community, each species depends on other species for things such as food, shelter, pollination and seed dispersal

• The interdependence of all living things in a ecosystem means that any major chances to the ecosystem can have far reaching effects

Question 6

What is a stable community ?

Answer 6

In some communities, all species and environmental factors are in balance so population size are roughly constant
e.g. rainforests or ancient oak woodlands