Ch.7 Reproduction and Germ Cells

Question 1

asexual reproduction

Answer 1

production of a new individual without gametes

Question 2

asexual involves ___ parent and has ___ special reproductive organs or cells

Answer 2

-one
-no

Question 3

what benefit does asexual reproduction pose?

Answer 3

rapid increase in numbers for colonizing new environments

Question 4

what are the types of asexual reproduction?

Answer 4

-binary fission
-multiple fission
-budding
-gemmulation
-fragmentation
-parthenogenesis

Question 5

parent divides by mitosis into two cells that are similar to parent

Answer 5

binary fission

Question 6

multiple fission occurs when the ____ divides repeatedly and is then followed by cytoplasmic division

Answer 6

nucleus

Question 7

budding

Answer 7

unequal division of organisms where bud is growing out of the parent

Question 8

gemmulation

Answer 8

internal budding; cells aggregate and are surrounded by a gemmule

Question 9

multicellular animal breaking into many fragments that become a new animal

Answer 9

fragmentation

Question 10

parthenogenesis

Answer 10

development of an embryo from an unfertilized egg-incomplete fusion

Question 11

sexual reproduction is the production of new individuals from ___

Answer 11

gametes

Question 12

what is the benefit of sexual reproduction

Answer 12

diverse populations; more responsive to changing environments

Question 13

types of sexual reproduction

Answer 13

bisexual reproduction and hermaphroditism

Question 14

bisexual reproduction produces offspring from union of ___ from ___ parents

Answer 14

-gametes
-two

Question 15

diocious

Answer 15

separate sexes

Question 16

bisexual repoduction includes ___ parents

Answer 16

diocious

Question 17

type of reproduction that involves one individual has both male and female organs

Answer 17

hermaphroditism

Question 18

during hermaphroditism, animals still prefer to ___ gametes with ___ members of the same species

Answer 18

-exchange
-other

Question 19

what has a double division and produces four haploid cells?

Answer 19

meiosis

Question 20

during fertilization

Answer 20

two haploid cells combine and restore the diploid chromosome number in zygote

Question 21

gonads

Answer 21

organs that produce germ cells called gametes

Question 22

gametogenesis

Answer 22

production of mature gametes

Question 23

oogenesis

Answer 23

formation of eggs or female gametes within the follicles of ovaries

Question 24

spermatogenesis

Answer 24

formation of sperm of male gametes in the seminferous tubules of the testis

Question 25

during oviparous reproduction

Answer 25

fertilization can be internal or external than eggs are laid outside of the body

Question 26

fertilization is internal and eggs are retained in the body until they hatch

Answer 26

ovoviviparous

Question 27

nourishment is derived from the yolk

Answer 27

ovoviviparous

Question 28

viviparous

Answer 28

fertilization is internal and eggs develop in oviduct or uterus

Question 29

embryos develop nourishment from the mother during which type of repoduction

Answer 29

viviparous