Biology, 12.02.2020 19:24 naeaamm2528
Which can be used to characterize blood flow in the human body? a: There is a unidirectional blood flow. b: Arteries always carry oxygenated blood. c: Veins always carry deoxygenated blood. d: Arteries carry blood away from the heart. e: Veins carry blood toward the heart. a, c, d, e b, c, d, e d, e a, d, e a, b, c, d, e
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Biology, 21.06.2019 15:00
The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .
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Biology, 22.06.2019 03:00
1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit
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Biology, 22.06.2019 03:50
The chromosomal structure that limits the number of cell divisions of a cell is the the chromosomal structure that limits the number of cell divisions of a cell is the kinetochore telomere histones centromere
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Biology, 22.06.2019 03:50
Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.
Answers: 1
Which can be used to characterize blood flow in the human body? a: There is a unidirectional blood f...
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