Mousterian tools were made by which species?
a. H. habilis
b. H. ergaster
c. H. sapiens
d. H antecessor
e. H. neanderthalensis
e
Biology & Microbiology
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The digestive system is concerned with
(a) blood circulation. (b) digestion and the absorption of nutrients. (c) reproduction. (d) excretion of urine.
Biology & Microbiology
If a toxin, such as a bacterial toxin, destroys ribosomes, what cellular activity will be affected first?
a. protein synthesis b. DNA synthesis c. movement d. energy storage e. active transport
Biology & Microbiology
Presently, it is thought that organic polymers may have formed and accumulated on:
a. silt and sand. b. sand and mud. c. rocks and clay. d. water and shells. e. sand and heavy metals.
Biology & Microbiology
Anaerobic oxidation of (methane/rubisco/plastics) produces carbon dioxide.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology