The oldest microfossils are of
A. prokaryotes.
B. eukaryotes.
C. insects.
D. pollen grains.
E. small animals.
A. prokaryotes.
Biology & Microbiology
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Sexual dimorphism is most often associated with what type of mating system?
A. Promiscuous B. Monogamous C. Polygynous D. Polyandrous
Biology & Microbiology
Which molecule is the most abundant in the extracellular matrix of connective tissues?
a. collagen b. cholesterol c. fibronectin d. albumin e. elastin
Biology & Microbiology
The trophic level that an organism belongs to
a. is determined by what it uses as an energy source. b. determines the population it belongs to. c. can be thought of as its feeding level. d. is both a and c.
Biology & Microbiology
Fertilization resulting in three or more complete haploid chromosome sets is ____
a. monosomy b. trisomy c. haploid d. diploid e. polyploidy
Biology & Microbiology