c51 reproduction SB

Question 1

The processes by which organisms replicate themselves and multiply is known as

Answer 1

reproduction

Question 2

Haploid reproductive cells are called

Answer 2

gametes

Question 3

The vast majority of animal species undergo

Answer 3

sexual reproduction

Question 4

Animals use one of three major types of asexual reproduction

Answer 4

• budding
• regeneration
• parthenogenesis

Question 5

Despite the advantages for genetic diversity,
__________ reproduction has certain increased costs compared to ________ reproduction.

Answer 5

1. sexual
2. asexual

Question 6

the creation of new individuals from existing ones is defined as

Answer 6

reproduction

Question 7

The male gonads are called the _____, while the female gonads are called the _______

Answer 7

• testes
• ovaries

Question 8

In sexual reproduction, haploid cells called _____ from 2 different parents join to form a diploid cell

Answer 8

gametes

Question 9

______ is the process by which sex cells are produced in males and females.

Answer 9

gametogenesis

Question 10

Which of the following statements about sexual reproduction is TRUE?

Answer 10

it occurs in the vast majority of animals

Question 11

The process by which two haploid nuclei fuse to form a diploid zygote is

Answer 11

fertilization

Question 12

Select all of the types of asexual reproduction seen in animals.

Answer 12

• regeneration
• parthenogenesis
• budding

Question 13

fishes reproduce by ______ fertilization

Answer 13

external

Question 14

Which of the following statements about the types of reproduction is TRUE?

Answer 14

asexual reproduction is more advantageous for BOTH nonmotile animals and those that live in stable environments

Question 15

The sac which holds the male’s testes outside of the body cavity is called the ______.

Answer 15

scrotum

Question 16

Male and female gametes are formed in the

Answer 16

gonads

Question 17

A structure at the base of the brain which produces gonadotropin-releasing hormone is called the

Answer 17

hypothalamus

Question 18

The creation of gametes within the male or female gonads is called

Answer 18

gametogenesis

Question 19

The union of haploid gametes to form a diploid zygote is called

Answer 19

fertilization

Question 20

Oogenesis can best be described as a Blank______

Answer 20

cyclical process that occurs in the ovaries

Question 21

Which of the following groups of animals reproduce by external fertilization?

Answer 21

fish

Question 22

The first half of the ovarian cycle is referred to as the ______ phase

Answer 22

follicular

Question 23

The external structures of the male reproductive tract include the _____ and the ______

Answer 23

• penis
• scrotum

Question 24

In humans, the uterine cycle, or _______ cycle deals with the development of the _________, the glandular inner layer of the uterus.

Answer 24

• menstrual
• endometrium

Question 25

Which of the following is a neurohormone-synthesizing structure that lies at the base of the brain?

Answer 25

hypothalamus

Question 26

Which of the following statements about gametogenesis is true?

Answer 26

spermatogenesis is continual, whereas oogenesis is cyclical

Question 27

Growth and differentiation of the follicle occur during the
_______ phase of the ovarian cycle.

Answer 27

follicular

Question 28

Another name for the uterine cycle is the _______ cycle.

Answer 28

menstrual

Question 28

Another name for the uterine cycle is the _______ cycle.

Answer 28

menstrual