The relatively rapid appearance of animal phyla in the Cambrian period is correlated with a rise in ________ at the same time
Fill in the blank(s) with correct word
oxygen
Biology & Microbiology
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A hot tub (approx. 104?F or 40?C) would most likely contain
A. psychrophiles. B. partiers. C. thermophiles. D. mesophiles.
Biology & Microbiology
The Arctic tern makes an annual migration of up to _______
a. 700,000 km b. 70,000 km c. 7,000 km d. 700 km e. 70 lm
Biology & Microbiology
The gastrocnemius muscle is located
a. in the forelimb. b. on the back. c. in the hip area. d. in the lower leg. e. in the neck.
Biology & Microbiology
What process produces a complementary RNA sequence from a DNA sequence template?
A) translation B) mutation C) transcription D) duplication
Biology & Microbiology