Which of the following refers to the different rates at which various traits evolve?
A) adaptation B) molecular clock C) mosaic evolution D) natural selection
Answer: C
Biology & Microbiology
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The major etiologic agent of urinary tract infections is:
a. E. coli. b. Shigella spp. c. Salmonella spp. d. Vibrio spp.
Biology & Microbiology
What are possible benefits to an animal of defending a territory? Check all that apply.
_____ access to mates _____ optimal nesting/breeding sites _____ decreased foraging time _____ increased intraspecific competition _____ increased food resources
Biology & Microbiology
During phagocytosis, what may fuse with the vacuole to further degrade the ingested material?
a. ligand b. receptor c. lysosome d. phosphate e. desmosome
Biology & Microbiology
Select all of the following structures that are found in animal cells.
a. Plasma membrane
b. Nucleoli
d. Centrioles
e. Mitochondria
Biology & Microbiology