Variation and selection Definitions Flashcards
1
Q
Variation
A
differences between individuals of the same species
2
Q
Continuous variation
A
a type of variation that results in a range of phenotypes between two extremes
3
Q
Discontinuous variation
A
a type of variation that results in a limited number of phenotypes with no intermediates
4
Q
Gene mutation
A
a random change in the base sequence of DNA
5
Q
Adaptive feature
A
an inherited feature that helps an organism to survive and reproduce in its environment
6
Q
Adaptation
A
the process, resulting from natural selection, by which populations become more suited to their environment over many generations
7
Q
Xerophyte
A
a plant adapted for life and growth with very little water supply
8
Q
Hydrophyte
A
a plant that only grows in or on water
