Which statement correctly describes the diagram? a) the products of photosynthesis cannot be used by other organisms. b) the products of respiration can be used by plants for photosynthesis. c) the exchange of oxygen and carbon dioxide occurs only in respiration. d) the exchange of oxygen and carbon dioxide occurs only in photosynthesis.
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Which of these is the most likely consequence of falling petroleum price
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Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas
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Which statement correctly describes the diagram? a) the products of photosynthesis cannot be used b...
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