c51 reproduction SB Flashcards
The processes by which organisms replicate themselves and multiply is known as
reproduction
Haploid reproductive cells are called
gametes
The vast majority of animal species undergo
sexual reproduction
Animals use one of three major types of asexual reproduction
- budding
- regeneration
- parthenogenesis
Despite the advantages for genetic diversity,
__________ reproduction has certain increased costs compared to ________ reproduction.
- sexual
- asexual
the creation of new individuals from existing ones is defined as
reproduction
The male gonads are called the _____, while the female gonads are called the _______
- testes
- ovaries
In sexual reproduction, haploid cells called _____ from 2 different parents join to form a diploid cell
gametes
______ is the process by which sex cells are produced in males and females.
gametogenesis
Which of the following statements about sexual reproduction is TRUE?
it occurs in the vast majority of animals
The process by which two haploid nuclei fuse to form a diploid zygote is
fertilization
Select all of the types of asexual reproduction seen in animals.
- regeneration
- parthenogenesis
- budding
fishes reproduce by ______ fertilization
external
Which of the following statements about the types of reproduction is TRUE?
asexual reproduction is more advantageous for BOTH nonmotile animals and those that live in stable environments
The sac which holds the male’s testes outside of the body cavity is called the ______.
scrotum
Male and female gametes are formed in the
gonads
A structure at the base of the brain which produces gonadotropin-releasing hormone is called the
hypothalamus
The creation of gametes within the male or female gonads is called
gametogenesis
The union of haploid gametes to form a diploid zygote is called
fertilization
Oogenesis can best be described as a Blank______
cyclical process that occurs in the ovaries
Which of the following groups of animals reproduce by external fertilization?
fish
The first half of the ovarian cycle is referred to as the ______ phase
follicular
The external structures of the male reproductive tract include the _____ and the ______
- penis
- scrotum
In humans, the uterine cycle, or _______ cycle deals with the development of the _________, the glandular inner layer of the uterus.
- menstrual
- endometrium