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Describe why biodiversity increased with the introduction of sea otters in california over the last fifty years asap
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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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The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird
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Biology, 22.06.2019 16:00
Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology
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Describe why biodiversity increased with the introduction of sea otters in california over the last...
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