#Question id: 4643
#Section 2: Evolution
The treeʹs horizontal axis is a timeline that extends from 100,000 years ago to the present; the vertical axis represents nothing in particular. The labeled branch points on the tree (V—Z) represent various common ancestors. Letʹs say that only since 50,000 years ago has there been enough variation between the lineages depicted here to separate them into distinct species, and only the tips of the lineages on this tree represent distinct species.
How many separate species, both extant and extinct, are depicted in this tree?
#Question id: 3312
#Section 2: Evolution
Hardy-Weinberg equilibrium, the frequencies of the two alleles A1 and A2 is 0.4 and 0.6. When you consider A2 is dominant allele of genetic disorder. The frequency of defected individuals, in population size 1000 is
#Question id: 10239
#Section 1: Ecology
Two species of barnacle, balanus balanoides and Chthamalus
stellatus, occur in the intertidal regions of Scotland. As following
Which of the following statements is correct?
#Question id: 10815
#Section 1: Ecology
The evolution of two interacting species in a community is referred to as ________________.
#Question id: 12760
#Section 5: Applied Ecology & Evolution