Term
|
Definition
| (of a cell or nucleus) containing two complete sets of chromosomes, one from each parent. Compare with haploid. |
|
|
Term
|
Definition
| Indiv. with two different alleles are favoured |
|
|
Term
| negative frequency dependent selection |
|
Definition
| frequency-dependent selection is what it sounds like — a phenotype is selected BECAUSE it is either very common or rare. |
|
|
Term
| biological species concept |
|
Definition
| defines a species as members of populations that actually or potentially interbreed in nature, not according to similarity of appearance |
|
|
Term
| ecological species concept |
|
Definition
| Adaptation to niche in environment |
|
|
Term
| phylogenetic species concept |
|
Definition
| Species from a common ancestor with defining traits |
|
|
Term
| morphological species concept |
|
Definition
| Defines a species as morphologically different from others |
|
|
Term
|
Definition
|
|
Term
|
Definition
| change within a species or small group of organisms, especially over a short period. |
|
|
Term
|
Definition
| a group of individuals who can do the nasty |
|
|
Term
|
Definition
| Two seperate species create offspring |
|
|
Term
|
Definition
| he process by which uninuclear cells combine to form a multinuclear cell. |
|
|
Term
|
Definition
| Evolution on a large scale |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Same country, similar species that inhabit that same area |
|
|
Term
|
Definition
| Diff country, similar species inhabit different area |
|
|
Term
|
Definition
| Possesing more than two complete sets of chromosomes |
|
|
Term
|
Definition
| an area in which hybrid exist |
|
|
Term
|
Definition
| catalytically active RNA molecules or RNA–protein complexes, in which solely the RNA provides catalytic activity |
|
|
Term
|
Definition
|
|
Term
|
Definition
| only large, hard organisms get fossilized |
|
|
Term
|
Definition
| Relative age is the age of a rock layer (or the fossils it contains) compared to other layers. It can be determined by looking at the position of rock layers. Absolute age is the numeric age of a layer of rocks or fossils. |
|
|
