Humans still have body hair even though it is greatly reduced and serves little function. The hair is a(n)
A) analogous structure.
B) vestigial structure.
C) mutation.
D) homologous structure.
E) adaptation.
B
You might also like to view...
Which of the following are important biotic factors that can affect the structure and organization of biological communities?
A) precipitation, wind B) nutrient availability, soil pH C) predation, competition D) temperature, water E) light intensity, seasonality
A mutation that readily reverses to restore the original parental type would most likely be due to a(n)
A) deletion. B) insertion. C) point mutation. D) frameshift mutation.
Drugs used to treat malaria include ________.
A. qualaquin B. metronidazole C. chloroquine D. chloroquine and qualaquin
Cells in the central nervous system that are important for functions such as memory are the:
A) interneurons. B) motor neurons. C) glial cells. D) sensory neurons.