Which of these is a heterotroph?
A. a phytoplanktonic diatom
B. a fish
C. an oak tree
D. a corn plant
E. a moss plant
Answer: B
Biology & Microbiology
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Genome sequencing shows that humans share the greatest genomic similarities with
A) yeast. B) a nematode worm. C) a cow. D) a chimpanzee.
Biology & Microbiology
Athletes and bodybuilders who use growth hormone to improve athletic performance and muscle mass
risk the development of a. hair loss. b. gigantism. c. low blood pressure. d. diabetes. e. hypothyroidism.
Biology & Microbiology
Concentrations of solutes are greatest in
A) springs. B) rivers. C) lakes. D) oceans.
Biology & Microbiology
An animal whose kidneys have a high percentage of long-looped nephrons probably lives in a ________ environment
A) desert B) seasonally wet C) rain-forest D) saltwater E) freshwater
Biology & Microbiology