Interdependence And Adaptation Flashcards
What does population size depend on? 4 factors
Competition
Predation
Disease
Human influence
What do changes in the environment affect?
Distribution and behaviour of organisms
Why do organisms require materials from their surroundings and other living organisms?
To survive and reproduce
What do plants compete for?
Light
Space
Water
Nutrients from soil
What do animals compete for?
Food
Mates
Territory
Why do organisms have adaptations?
To enable them to survive in conditions in which they normally live
What are organisms called that live in extreme environments?
Extremophiles
What are the 3 things extremophiles can be tolerant to?
High levels of salt
High temperature
High pressure
What are the means of adaptation in animals?
- changes to SA
- thickness of insulating coat
- amount of body fat
- camouflage
What are the means of adaptation in plants?
- changes to SA (particularly the leaves)
- water storage tissue
- extensive root systems
