Chapter 25. 25·1–25·3 How do animals reproduce?

Show What You Know - Self Quiz

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You must read each slide, and complete any questions on the slide, in sequence.

Instructions

Check your understanding of concepts from 25·1–25·3 How do animals reproduce? by answering the following questions.

1.

1. For which of the following reasons might a man claim a reasonable legal right to an embryo produced by fertilizing an egg with his sperm?

The unborn child has a right to be owned by his biological father.

The man paid more than half of the cost to produce the embryo artificially.

The man believed that the woman who produced the egg was unfit to be a mother.

The embryo contains half of the man’s DNA.

The man was married to the woman who produced the egg.

Correct. (See section 25·1 Reproductive options (and ethical issues) are on the rise.)

Incorrect. (See section 25·1 Reproductive options (and ethical issues) are on the rise.)

2.

2. Which of the following types of reproduction would produce genetically diverse offspring?

parthenogenesis in turkeys

sexual reproduction in whales

budding of a hydra

sprouting of a new willow from the roots of another

fragmentation of a sea star

Correct. (See section 25·2 There are costs and benefits to having a partner: sexual versus asexual reproduction.)

Incorrect. (See section 25·2 There are costs and benefits to having a partner: sexual versus asexual reproduction.)

3.

3. A disadvantage of asexual reproduction is that:

it requires the finding of a mate of opposite gender.

it requires greater courtship rituals than those used for sexual reproduction.

it requires more energy to reproduce asexually than sexually.

all the offspring of a parent are genetically identical to each other and to the parent.

All of the above are disadvantages of asexual reproduction.

Correct. (See section 25·2 There are costs and benefits to having a partner: sexual versus asexual reproduction.)

Incorrect. (See section 25·2 There are costs and benefits to having a partner: sexual versus asexual reproduction.)

4.

4. Which of the following is found in nearly all mammals?

viviparity

asexual reproduction

ovoviviparity

parthenogenesis

oviparity

Correct. (See section 25·3 Fertilization can occur inside or outside a female’s body.)

Incorrect. (See section 25·3 Fertilization can occur inside or outside a female’s body.)

5.

5. Which of the following involves copulation, according to the strict definition of the word?

gametogenesis

reproduction in most land animals

ovoviviparity

external fertilization

amplexus

Correct. (See section 25·3 Fertilization can occur inside or outside a female’s body.)

Incorrect. (See section 25·3 Fertilization can occur inside or outside a female’s body.)

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