Adaption and Organisms
- Created by: Eve Herrick
- Created on: 11-03-14 18:36
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- Adaption and Organisms
- Adaptation
- Adaptations increase an organisms chance of survival and so increase its chance of reproducing
- They are special features or behaviours that make an organism particularly suited to its environment
- Eg Polar Bears: They have brown irises to reduce glare from sunlight reflection. Greasy fur which rebels water and keeps the bear dry; their skin is also black to absorb any heat transmitted through the hairs. Their body surface is small compared to the volume to reduce heat loss.
- Organisms
- Vertebrates: animals with a back bone. Invertebrates: animals with no back bone.
- Homeotherms: warm blooded (birds and mammals). Poikilotherms: cold blooded (fish, amphibians and reptiles).
- Plantae: these are all plants, they are multicellular, have chlorophyll and obtain food by themselves, this is by using photosynthesis.
- Species: Organisms capable of breeding together to produce fertile offspring. Hybrid: the offspring of two different species which are usually infertile.
- Kingdoms: Animalia, Plantae, Fungi, Protoctista and Prokaryotes.
- Adaptation
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