Globally, what is the greatest killer of species?

a. destruction of coral reefs
b. air pollution
c. deforestation
d. water pollution
e. nuclear contamination


ANSWER: c

Biology & Microbiology

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If a mouse has 12 chromosomes how many linkage groups will it posses?

a. 16 b. 5 c. 12 d. 112 e. 36

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What proteins do the APOE gene code for?

a. lipoproteins b. surface antigens c. myofilaments d. hydrolytic enzymes e. nucleases

Biology & Microbiology

Increased levels of cesium radioisotopes released from the Fukushima nuclear power plant were observed in ____

a. blue whales b. sharks c. bluefin tuna d. yellowfin tuna e. swordfish

Biology & Microbiology

Approximately how many years ago did humans of the genus Homo first inhabit eastern Africa?

a. 6 million b. 4 million c. 3 million d. 2 million e. 1 million

Biology & Microbiology