Artificial selection is the type of selective breeding.
Selective breeding is process of breeding parents with distinct characteristics to produce offspring with more desirable characteristics.
Most of the time the breed of dogs were formerly selected for particular purposes, such as hunting or guarding which needs strong physical endurance. Hence, Selective breeding is evolved by human selection. For example racehorses, having particular traits are desirable in different breeds of dogs that compete in dog shows. Artificial selection, is selective breeding that is imposed by an selective process, in order to get the phenotype of desirable features.
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Answer:
Cell theory
Explanation:
Cell theory is a universal theory proposed by three scientists namely: Theodor Schwann, Mathias Schleiden and Rudolf Virchow in the 1830's. The cell theory compose of three components:
- All living things are made up of one or more cells.
- Cells are the basic and fundamental unit of life
- All cells emanate from pre-existing cells.
Based on this question, these three components are what makes up the CELL THEORY.
To protect them from ultraviolet rays from the sun.
Answer:
Your question was a bit vague... but Crenarchaeota, Euryarchaeota, Korarchaeota, Thaumarchaeota and Nanoarchaeota are the four types of Archaea.
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