Which group is considered most ancient?

a. Homo erectus
b. Australopithecus afarensis
c. Australopithecus africanus
d. Homo sapiens
e. Sahelanthropus tchadensis


Answer: e

Biology & Microbiology

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Several hypotheses have been proposed to explain the evolutionary origin of viruses. Which of the following does NOT assume that viruses evolved from living cells?

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The main photosynthetic area of a leaf is ____

a. mesophyll b. cortex c. phloem d. epidermis

e. endoderm

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Which of the following statements about

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Why is the term GMO a misnomer for transgenic organisms? What will be an ideal response?

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