Why can evolution in mosquitoes be more easily observed than evolution in a population of squirrels?
A) Mosquitoes have a shorter generation time.
B) Mosquitoes have a higher mutation rate.
C) Mosquitoes feed only on blood.
D) Mosquitoes lay eggs rather than bear live young.
A
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Your microscope has a resolving power of 0.15 ?m. The specimen that you will be observing has bacterial cocci the size of 0.1 ?m in diameter. Which of the following statements is correct?
A. The cocci will be readily visible and distinct. B. The cocci will appear much smaller than their actual size because of the low resolution. C. The cocci will be fuzzy-looking and blend together. D. The cocci will not be visible.
Intramembranous ossification step 3
What will be an ideal response?
Rheumatoid arthritis is the most threatening form of arthritis and often results in a replacement prosthesis of the damaged joint. Explain how this form of arthritis differs from other forms
What will be an ideal response?
Most sulfur-oxidizing bacteria are obligate
a. aerobes. b. anaerobes. c. phototrophs. d. nitrate reducers.