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Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
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Biology, 22.06.2019 16:30
What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees
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Biology, 23.06.2019 01:30
Why does sexual reproduction increase the genetic variation in a species? a. sexual reproduction doubles the chromosome number. b. sexual reproduction produces organisms with no dna. c. the gametes in sexual reproduction are exact clones of the parents. d. a fertilized egg has a mixture of alleles from the two parents.
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Biology, 23.06.2019 05:30
Which type of unconformity occurs when sedimentary rock overlies igneous rock? question 8 options: disconformity nonconformity angular unconformity conformity
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Homeostasis will mostly be affected by the removal of what...
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