Most of hominin evolution occurred in Africa, but there is fossil evidence that members of the genus Homo first migrated out of Africa at least ________ years ago

A) 5 million B) 1.8 million C) 10 million D) 3 million


Answer: B

Biology & Microbiology

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Two common transposable elements associated with interspersed repeated DNA are ________ and ________.

Fill in the blank(s) with the appropriate word(s).

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Which of the following are the final by-products of glucose oxidation during aerobic cell respiration?

ATP only heat only carbon dioxide and water only both ATP and heat only ATP, heat, carbon dioxide, and water

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Staphylococcus bacteria are commonly present in the human nasal cavity but rarely cause disease of the upper respiratory system. This situation is an example of (commensalism/mutualism/parasitism)

What will be an ideal response?

Biology & Microbiology

Individuals of a certain tree species experience a markedly higher mortality rate at age 200 and beyond. Name two other changes you would expect in 200-year-old trees if this increase in mortality was accompanied by senescence

What will be an ideal response?

Biology & Microbiology