Variation

Question 1

What is a population size?

Answer 1

Total number of organisms of one species in a habitat

Question 2

What is carrying capacity?

Answer 2

The maximum stable population size of a species that an ecosystem can support

Question 3

Name abiotic factors that causes population size to vary

Answer 3

Light
Water
Space
Temperature
Chemical composition of surroundings

Question 4

What happens why abiotic conditions are ideal and when they aren’t ideal?

Answer 4

Ideal = species grow fast and can successfully reproduce
Aren’t ideal = species grow slowly and unsuccessfully reproduce

Question 5

Name the biotic factors that causes population size to vary

Answer 5

Interspecific competition
Intraspecific competition
Predation

Question 6

What is interspecific competition?

Answer 6

Competition between different species for food, water, light (etc.). A population will outcompete another species (competitive exclusion principle)

Question 7

What is intraspecific competition?

Answer 7

When organism of the same species compete with each other for the same resources

Question 8

What is predation?

Answer 8

Where an organism kills and eats another organism. (predator/prey relationship)