difference between individuals of the same species
1 of 12
discontinuous variation
variation where individuals fall into a number of distinct classes or categories (e.g. blood groups)
2 of 12
continuous variation
variation that has no limit on the value that can occur within a population (e.g. height)
3 of 12
mutation
genetic change
4 of 12
gene mutation
a change in the case sequence of DNA
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mutagens
chemicals which can cause mutations
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adaptive feature
an inherited feature that helps an organism to survive and reproduce in its environment OR the inherited functional features of an organism that increase its fitness
7 of 12
fitness
the probability of an organism surviving and reproducing in the environment in which it is found
8 of 12
xerophytes
plants that are adapted to live in places where water is in short supply
9 of 12
hydrophytes
plants that live in very wet places
10 of 12
process of adaption
the process resulting from natural selection, by which populations become more suited to their environment over many generations
11 of 12
artificial selection
the breeding of plants and animals to produce desirable traits
12 of 12
Other cards in this set
Card 2
Front
variation where individuals fall into a number of distinct classes or categories (e.g. blood groups)
Back
discontinuous variation
Card 3
Front
variation that has no limit on the value that can occur within a population (e.g. height)
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