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Test Description: Reproduction
Instructions: Answer all questions to get your test result.
1) When a planarian (a type of worm) gets cut in half, usually each half grows back into a complete worm over time. This most closely resembles
A
asexual reproduction of a single-celled organism
B
asexual reproduction where a mutation has occurred
C
sexual reproduction of a single-celled organism
D
sexual reproduction where each half represents one parent
2) In an environemnt that undergoes frequent changes an organism that reproduces sexually will have an advantage to those that reproduce asexually becuase the sexually reproducing organisms produce
A
a new species with each generation
B
offspring with more variety
C
more offspring in each generation
D
identical offspring
3) Body cells of a fruit fly contain eight chromosomes. In some cells only 4 chromosomes are present. This is a direct result of
A
internal fertilization
B
mieotic cell division
C
mitotic cell division
D
differentiation
4) The human reproductive system is regulated by
A
carbohydrates
B
antigens
C
restirction enzymes
D
hormones
5) The structure that provides nutrients and gas exchange for a developing embryo is the
A
gamete
B
placenta
C
ovary
D
stomach
6) Which hormone does not regulate human reproductive cycles
A
estrogen
B
progesterone
C
testosterone
D
insulin
7) sexual reproduction results in
A
decrease in biodiversity
B
recombination of offspring
C
increase in chromosome number in the offspring
D
genetically identical offspring
8) Asexual reproduction produces offspring that each contain
A
a new combination of genetic information
B
less genetic information that the parent
C
genetic inforamtion from two parents
D
genetic information from one parent
9) Which statement best explains the significance of meiosis in teh evolution of a species
A
meiosis produces eggs adn sperm that are alike
B
the gametes produced by meioisis ensure the continuation of a species throguh asexual reproduction
C
meiosis provides chromosomal variation in the gametes produced by an organism
D
equal numbers of egg and sperm are produced during meiosis
10) Which structure in correctly paired with its function?
A
uterus; produces estrogen
B
testes; produce sperm
C
placenta; storage of released eggs
D
ovary; provides milk for a newborms
*select an answer for all questions
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