Which species is believed to have been the first ones to develop stone tool technology?

A. Homo erectus
B. Neanderthal man
C. Homo habilis
D. Cro-Magnon man


Answer: C

Biology & Microbiology

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In your own words, define the following terms:

(a) modality: (b) sensory projection: (c) sensory adaptation:

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Which type of joints are involved in opposition?

a. saddle b. planar c. ellipsoidal d. ball-and-socket

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The main enzyme produced in the saliva acts on ____

a. proteins b. fats c. carbohydrates d. fats and carbohydrates e. carbohydrates and proteins

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A cell that is anchorage-dependent for growth will also exhibit contact inhibiton.

a. true b. false

Biology & Microbiology