which of the following is the consensus criterion for identifying a biological r

Question

which of the following is the consensus criterion for identifying a biological race?
A. at least 50 percent of numbers of one population of a species must be physically distinguishable from those from another population
B.two populations have different vocalizations or,in humans,languages
C.there are no established criteria for identifying races of plants and animals including humans today.
D. tow populations of the same speci s are located in two different geographical areas

All contemporary humans are members the same polytypic species, Homo sapiens.
true
false

Human genetic variation across populations is relatively low for a mammal.
True
False

Explanation / Answer

1. Otion C: Well there is no such well established criteria for identifying plants and animals includings humans.

2. It's true to say that as, All contemporary humans are member of the same polytypic species, Homo sapiens. Polytypic apecies is composed of local population that differ in the expression aof one or more traits. Even with in local population, there's a great deal of genotypic and phenotypic variation between individuals.

3. It's true , In order to study variation among a populations took the help of social and biological science as well as the humanities and physical sciences.

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