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Adaptations
Term | Definition |
---|---|
Fitness | Ability of an organism to survive its environment |
Natural Selection | The gradual, non-random process by which biological traits become either more or less common in a population as a function of differential reproduction of their bearers "Survival of the Fittest" |
Heredity | Passing down trait from parent to off-spring |
Population Genetics | The study of allele frequency distribution and change under the influence of the four main evolutionary processes |
Variation | Difference in appearance of members in the same species |
Mendelian Genetics | Law of inheritance, the idea of dominant and recessive alleles |
Allele | A trait in a species |
Evolution | A change in number and type of allele over a period of time |
Cat | Behavioral: Hissing - To scare off Physical: Whiskers - To smell Physical: Tail - For balance |
Dog | Behavioral: Peeing - To mark their spots Physical: Nose - For smell Physical: Tail - For balance |
Lamarck | Believed that organisms change to adapt its environment, and also believed the body parts that are not being used are gradually disappearing |
Darwin | Believed variations help animals to survive its environment, and that individuals that are not adapted to its environment die off |