Biology, 25.01.2020 20:31 zuleromanos
The circulatory system keeps the body and its tissues continuously oxygenated. it does this by having a) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs. eliminate b) arteries to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs. c) arteries to carry oxygenated blood to the tissues and veins to carry deoxygenated blood from the tissues to the heart. d) veins to carry oxygenated blood to the tissues and arteries to carry deoxygenated blood from the tissues to the lungs.
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What organelle other than the nucleus houses dna in a eukaryotic cell?
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Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.
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Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere
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The circulatory system keeps the body and its tissues continuously oxygenated. it does this by havin...
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