Which species shows the first solid evidence of bipedalism?

A. Australopithecus afarensis
B. Ardipithecus ramidus
C. Sahelanthropus tchadensis
D. Homo habilis


Answer: B

Biology & Microbiology

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a. True b. False

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Trichomoniasis is a bacterial infection that is sexually transmitted; chronic infection often results in blindness, damage to the nervous system, and eventually death

Indicate whether the statement is true or false

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Spermatogenesis takes place in which of the following structures?

a. seminiferous tubules b. seminal vesicles c. prostate gland d. bulbourethral glands e. glans

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Which of the following is a parasitic excavate that causes African sleeping sickness, a disease spread by the tsetse fly?

A) Plasmodium B) Trypanosoma C) Paramecium D) Amoeba

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