Biology, 15.12.2020 02:10 sisterskrrt
The production of gametes
A) Begins at puberty In males and females
B) Requires that the testes in males produce semen
C) Results in the production of diploid cells from haploid cells
D) Begins at puberty in females
E) Produces sperm and eggs that carry half the number of chromosomes as nongametes
Answers: 2
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What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen
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Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
Biology, 22.06.2019 07:50
45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.
Answers: 1
Biology, 22.06.2019 21:00
One student group hypothesized that the dry baker's yeast must be alive.the temperature change, odor, and bubble foation, they said, indicated whych characteristic of life
Answers: 3
The production of gametes
A) Begins at puberty In males and females
B) Requires that the test...
B) Requires that the test...
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