Jumping Spider Dances: self-scoring
quiz
This is a short quiz about sexual selection. It is a "self-scoring"
quiz, which means that your answers are not recorded anywhere, and your
percentage of correct answers is not calculated. You keep track of your
correct and incorrect answers, if you wish. It is for your self-education.
1. Select the correct statement.
a. Sexual selection is the same as natural
selection.
b. Sexual selection is the opposite of natural
selection.
c. Sexual selection is a type of natural
selection.
2. Which one of the following statements is NOT a similarity of sexual
selection and natural selection?
a. For both to occur, there must be variation
in a trait or traits within a population.
b. Variation in traits must be heritable
(genetically based).
c. Selection operates when individuals with
certain variations have more offspring than other individuals with other
variations.
d. Selection operates between individuals
of the same species.
e. In both types of selection, direct competition
between individuals must occur.
3. Which of the following statements about gametes and reproductive allocation
is NOT true?
a. Females always produce bigger gametes
than males.
b. Each gamete requires the same amount of
resources to produce, no matter what its size.
c. An egg cell is larger than a sperm cell.
d. For both males and females, the amount
of resources devoted to each gamete is affected by the size of the gamete.
e. For both males and females, the number
of gametes they can produce in a breeding season is affected by the amount
of resources they must devote to each gamete.
4. Which of the following statements about mating behavior and reproduction
is NOT true?
a. For males, the number of offspring they
can produce is limited by the number of matings they can gain.
b. For females, the number of offspring they
produce is limited by the resources it takes to create and care for each
offspring.
c. Males often compete against each other
for females.
d. Females often choose among males to select
the best father.
e. For both males and females, the more times
they mate, the more offspring they can have.
5. True or False:
If males compete against each other for access to females, and females
choose among males for mates, then we would expect females to be brightly
colored and males to be drab.
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