Which human tissue cells can be over 1 metre in length?
a. adipocytes
b. skeletal muscle cells
c. neurons
d. columnar epithelial cells
Ans: c. neurons
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Which environment would be most likely to produce trees without annual rings?
a. tropical rain forest b. northern evergreen forest c. areas with alternating wet and dry seasons d. temperate-deciduous forests e. annual rings are characteristic of all trees
Transpiration:a
declines in areas where forests have been cleared. b. is a relatively minor component of the global hydrological cycle. c. is a synonym for precipitation. d. is significant to climate issues, but only in relationship to tropical rainforests. e. does not occur in India due to the local geographic conditions and extent of ocean surface.
What is a possible explanation for why a population may not be in Hardy-Weinberg equilibrium?
A. There are more than two alleles for a trait. B. One allele for a trait is fixed in the population. C. Evolution is occurring on a trait in the population. D. Hardy-Weinberg does not work for all traits. E. The alleles for a trait being examined exhibit incomplete dominance.
Which of the following is not a tool used by
animals to migrate? a. Star position. b. The Earth’s magnetic field. c. Olfactory landmarks. d. Sun position. e. All of these are used.