UNIT 9

LIVING THINGS IN THEIR ENVIRONMENT

1. Environmental factors

2. Adaptations

Specialist and generalist species

Adaptations to water scarcity

Adaptations to temperature changes

Adaptations to light

Adaptations to varying salt concetration

Adaptations to lack of oxygen

Adaptations to lack of food

3. How living things change their environment

4. Populations

Animal grouping

Population dynamics

Carrying capacity

Populations growth strategies

R-strategists K-strategists

Populations growth

5. Communities

Dynamics of communities

Primary succession

Dynamics of communities

Secondary succession

Communities and the soil

Interespecific relationships within communities

Predation (+,-)

Interespecific relationships within communities

Competition (-,-)

Interespecific relationships within communities

Parasitism (+,-)

Interespecific relationships within communities

Social parasitism (+,-)

Interespecific relationships within communities

Comensalism (+,0)

Interespecific relationships within communities

Symbiosis (+,+)

Interespecific relationships within communities

Inquilinism (+,0)

Interespecific relationships within communities

Mutualism (+,+)