Which of the following statements about infanticide
is true?
a. It may decrease the reproductive success of the
male lion that carries it out.
b. It occurs in very few human cultures.
c. The presence of a male unrelated to a child in an
American household and the absence of the
biological father significantly increase the
child’s risk of dying by age two.
d. A mother might decrease her fitness by
infanticide in a situation where resources or
social attachments are absent.
e. None of these are true.
Answer: c
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The above figure is of one of the most
poisonous mushrooms. Which of the following is true? a. It is a club fungus. b. It is called death cap. c. It is often mistaken for a puffball. d. It kills by causing liver and kidney failure. e. All of these are true
A distinctive feature of cells in multicellular organisms is their specialization as a result of ______.
A) differentiation B) replacement C) conversion D) homeostasis
In humans, an X-linked disorder called coloboma iridia (a fissure in the iris) is a recessive trait. A normal couple has an afflicted daughter. What would be the most plausible scenario for this situation?
A. The mother carries two recessive alleles. B. The father carries one recessive allele, and the mother carries one recessive allele. C. The female is not the biological mother, but the male is the biological father. D. The male is not the biological father, but the female is the biological mother. E. Both parents are heterozygous for the trait.
Which of the following is NOT a common food allergen?
Select one: a. Eggs b. Corn c. Nuts d. Seafood