Select the statements that provide direct biogeographical evidence for evolutionary theory. Check all that apply.A) Unrelated organisms from similar habitats exhibit similar characters.B) Terrestrial mammals are not found naturally on any island greater than 300 miles from a mainland.C) Organisms on islands are most similar to organisms on the nearby mainland, even when habitats on the mainland and island are quite different.D) Invasive rats have colonized more than 80% of the world's islands.
What will be an ideal response?
B, C
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The female genetic ancestor of all living humans:
A. lived in Africa only 10,000 years ago. B. was the only living female of her tribe. C. was identified using haplotypes on the X chromosome. D. was the only female of her tribe to have children. E. was the only female whose mitochondrial DNA has been inherited in the modern human lineage.
At how many degrees north and south of the equator does air rise again as a result of different temperatures in air masses that meet?
a. 10 b. 30 c. 40 d. 60 e. 75
Unlike most diseases, cancer:
A: is caused by somatic mutations. B: involves expanding triplet repeats. C: involves point mutations. D: is multifactorial. E: is due to inversions.
The paramecium's cilia help the organism
A.) form a shell B.) swim and capture food C.) exchange genetic material D.) control internal water levels