Definition: Adaptation is the process of how organisms develop special structures and internal processes to enable them to live in their environment. Definition: Adaptation is the process of how organisms develop special structures and internal processes to enable them to live in their environment.
Organisms can be adapted in two ways:
1. Body structure (e.g. Small ears to reduce heat loss)
2. Body processes (e.g. Osmoregulation in salmon)
There are several factors which cause adaptation to occur:
Match the following animals to the adaptations below, and suggest why they are useful. Think about the habitat each animal lives in! * Polar Bear
* Great White Shark
Adaptation| Animal| How is this useful?|
Thick Fur| | |
Stream Lined Body| | |
Fat stored in a hump| | |
Ability to close nostrils| | |
Fins| | |
Ability to smell blood| | |
Small ears| | |
White Fur| | |
Gills| | |
Large Claws| | |
Sandy coloured hair| | |
Long eye lashes| | |
Large Feet| | |
Sharp teeth| | |
Layer of blubber| | |
Adaptations in Plants
Plants also have adaptations that help them survive better in their environment.
Marram grass is a good example of a plant which is adapted to live in very dry conditions, for example on sand dune systems. The leaves of the marram grass are adapted to survive with the limited water available in the desert.
In very dry conditions, the leaves of the marram grass roll up to form long tubes. This helps drain any water down towards the roots of the plant.
Match the adaptations of the marram grass leaves with their function
Waxy CuticleReduce water loss through
Stomata sunk in pitsTrap a layer of moist air close
to the leaf surface