Ecosystems

3. Is the study of how organisms interact with each other and their environment
5. Organisms are said to be in competition when they both try to obtain the same resource
6. Consists of all the factors in an organisms surroundings that affect it
8. __________ factor. Non-living factors in an ecosystem
9. ___________ factor. Living factors that can affect an organism in an ecosystem

1. Means the organism must obtain body heat from the environment rather then by generating it internally by body chemistry. ‘cold-blooded’
2. Special features that assist organisms to survive in a range of biotic and abiotic factors
3. Organisms have the ability to generate heat internally and control heat loss to keep their body temperature constant ‘warm-blooded’
4. All the living things in an ecosystem
5. Is a relationship between two organisms where one organism benefits and the other is unaffected
6. An ecosystem is a group of living things interacting with each other and their non-living surroundings
7. Not the same as environment. Habitat is simply where the organism lives