The need for intense parental care of offspring favors mating systems that are

A) polygamous.
B) diurnal.
C) monogamous.
D) promiscuous.


Answer: C

Biology & Microbiology

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Which of the following is described as a spore-forming, gram-positive Bacillus that is hemolytic, motile, Voges-Proskauer (VP)–positive, and citrate-positive and causes two types of food poisoning as a result of toxin release?

a. C. diphtheria b. B. anthracis c. B. cereus d. C. jeikeium

Biology & Microbiology

Which of the following is not an active form of an enzyme?

1.trypsin 2.amylase 3.pepsin 4.pepsinogen 5.chymotrypsin

Biology & Microbiology

The sense organ in Figure 43-1 could be found in:


a. the semicircular canal of the human ear and in the lateral line organ of fish.
b. the cochlea of the human ear and the semicircular canal of the fish ear.
c. the semicircular canal of the human ear and the statocyst of invertebrates.
d. the utricle and saccule of the human ear and the statocyst of invertebrates.
e. the lateral line of fish and the statocyst of invertebrates

Biology & Microbiology

The disease caused by B19 virus, a (papillomavirus/parvovirus/polyomavirus), is known as fifth disease and produces a distinctive rash.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology