Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

* Need all answered *** Which of the following is true regarding the biological

ID: 282487 • Letter: #

Question

* Need all answered ***

Which of the following is true regarding the biological species concept?

a) It is used more frequently in communication between the scientific community and the public.

b) It cannot be used in conjunction with DNA data.

c) Its definition varies depending on the researcher.

d) It may divide groups based on traits with little biological relevance.

e) In defines species in terms of shared traits.

Trace DNA sequences from the fossil "Denisovans" can be found today in

a) about 1 to 4% of Homo sapiens in Africa

b) Homo sapiens populations from all regions except Africa

c) some Homo sapiens populations in Siberia

d) Homo neanderthalensis fossils

e) some southeast Asian island Homo sapiens populations

Which of the following hominin genera may have co-existed?

a) Ardipithecus, Australopithecus, Homo

b) Ardipithecus, Australopithecus, Paranthropus

c) Ardipithecus, Sahelanthropus, Australopithecus

d) Ardipithecus, Sahelanthropus, Paranthropus

e) Australopithecus, Paranthropus, Homo

Explanation / Answer

1) Biological species concept is defined and explained as it defines species in terms of shared traits. Option E is correct.

2) Option D is the correct answer as the neanderthal and the denisovan lineages are known to interbreed.

3) Option B is correct as all these three are a member of the subtribe Australopithecina.