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For aesthetic reasons (shorter snout, lighter fur etc)To reduce allergensTo reduce aggression To breed out genetic defects
The virus is causing less chlorophyll to be produced. This is a problem as chlorophyll is an essential component in photosynthesis. Photosynthesis is a process by which plants are able to use sunlight in ...
On the island there is competition for lower lying grasses and no competition for higher bushes.Because of natural variation some tortoises have longer necks, which enables them to reach the higher bushes...
Our skin surrounds almost all parts of our body and can act as a mechanical barrier between microorganisms and our body. If the skin is damaged or cut, a scab will be formed to prevent microorganisms from...
Meiosis occurs in the ovaries or testes to produce gametes. Gametes are sex cells such as an egg cell or sperm cell. Four cells are produced by this process and they are non identical. Mitosis occurs thro...
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