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Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.
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Biology, 22.06.2019 18:30
On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of β55 ? c, what is the height of the tropopause?
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Biology, 22.06.2019 21:30
How can scientists use the fossil record to find evidence of relationships between different species?
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What type of plant cell is shown by number 4...
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