Species concept

Question 1

Biological species concept

Answer 1

Populations that can reproduce to create fertile young. They are reproductively islolated from other such groups.

Question 2

Strengths of the biological species concept

Answer 2

Good definition, a consequence of natural selection and Darwinism.

Question 3

Weaknesses of the biological species concept

Answer 3

Only applies to sexually reproducing organsims, not always possible to know when two species are able to reproduce sexually.

Question 4

Phylogenetic species concept

Answer 4

A divergent lineage that has maintained itself through time and space.

Question 5

Strengths of the PSC

Answer 5

an effective means of determining gene flow between populations.
It enables new species to be identified that are not normally.

Question 6

Weaknesses of the PSC

Answer 6

If some of the features are not disticnt enough they may be clumped into one species.