At what point in the menstrual cycle does ovulation usually take place?
a.
during...
Biology, 21.01.2020 19:31 caitlynnpatton1208
At what point in the menstrual cycle does ovulation usually take place?
a.
during the first 5 days of the cycle
b.
during the last 5 days of the cycle
c.
approximately one week after the menstrual flow begins
d.
approximately two weeks after the menstrual flow begins
Answers: 3
Biology, 22.06.2019 13:40
1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.
Answers: 3
Biology, 22.06.2019 18:30
Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas
Answers: 2
Biology, 22.06.2019 19:50
What happens to the amount of waste in the pond as the ecosystem ages?
Answers: 3
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