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2.20: Asexual vs. Sexual Reproduction

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
asexual reproduction Process of forming a new individual from a single cell or individual.
binary fission Reproduction through growth and division of the cell, as in bacteria.
cross-pollination Process during which sperm from the pollen of one flower fertilizes the egg of another flower.
dioecious Species having distinct male and female organisms.
external fertilization Process during which egg and sperm meet after being released into water.
fertilization Union of a sperm and egg.
fragmentation Reproductive process in which a new organism forms from a fragment of a parent organism.
gamete Sex cell, such as sperm or egg.
gonad Organ that produces eggs or sperm.
internal fertilization Process during which egg and sperm meet inside the female, usually after the male's penis deposits sperm into the vagina of the female.
meiosis Process of cell division during which the chromosome number is halved in order to produce gametes.
ovaries Female gonads that produce egg.
parthenogenesis Growth of an unfertilized egg cell into a new organism.
reproduction Process of forming a new individual.
self-pollination Process during which sperm from the pollen of one flower fertilizes the egg of the same flower.
sexual reproduction Process of forming a new individual from two parents.
testes Male gonads that produce sperm.
zygote Cell that forms when a sperm and egg unite; the first cell of a new organism.

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Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Aug 30, 2016
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