Classification and Biodiversity
- Created by: xLucyxx
- Created on: 20-11-18 18:59
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- Classification and Biodiversity
- The most familiar living things fall into groups:
- Plants- flowering and non-flowering
- Animals- vertebrates and invertebrates
- Scientists classify living things into groups which have similar features and characteristics
- It makes it easier to identify organisms
- It helps scientists communicate well with each other.
- Adaptation to the Environment
- Morphological Adaptations- These are structural adaptations of the organism, such as colour of fur, petal shape and so on.
- Behavioural Adaptations- These include what time of day the animal is active, or food it eats.
- Other adaptations include: camouflage, climate (thick fur, small ears etc), catching prey/ avoiding prey.
- The needs of living organisms
- Light- plants make food for energy
- Food- animals for energy
- Water- for chemical reactions that take place in cells.
- Oxygen- for all organisms that respire aerobically
- Carbon dioxide- for plants
- Minerals- specific minerals are needed for particular chemical reactions.
- Competition for Resources
- Competition takes place between members of the same species
- Competition puts a limit on the potential size of a population.
- Competition only occurs when a particular factor, e.g food is limited
- Biodiversity is the number of different species in a particular area. Biodiversity is a good thing, for a number of reasons:
- It leads to stable environments
- Habitats which have great variety and number of animals are also more interesting to humans
- Many important medicines have been developed because of it
- The most familiar living things fall into groups:
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