Structure of communities may be affected by
a. temperatures.
b. sunlight intensity.
c. humidity.
d. condition of the soil.
e. all of these
E
Biology & Microbiology
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Our ability to respond to moderate heat and cold is due to
A. mechanoreceptors. B. thermoreceptors. C. nociceptors. D. electromagnetic receptors. E. chemoreceptors.
Biology & Microbiology
The lampreys are unusual vertebrates in that they have no
a. eyes. b. jaws. c. gill slits. d. mouth.
Biology & Microbiology
Microevolution is change in the __________ of a population.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Which of the following is a common source of antibiotics?
A) Acetobacter B) Bacillus species C) Pseudomonas D) Streptococcus thermophilus E) Streptomyces
Biology & Microbiology