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Biology, 22.06.2019 13:00, AnaiyaKirksey8
Pulmonary arteries carry highly oxygenated blood. true or false?
Answers: 1
Biology, 22.06.2019 13:10, mroueh21
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
Answers: 2
Biology, 22.06.2019 16:00, QueenNerdy889
Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds
Answers: 1
One of the researchers proposes using oxygen gas production to measure reaction rates. Which of the...
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