Transportation of gases in tracheophytes
Whether the transportation of the gases within tracheophytes are made through the vascular tissues?
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Carbon dioxide and oxygen are generally not transported through the xylem or phloem. These gases arrive at the cells and move out the plant by the process of diffusion through the intercellular spaces or between the neighboring cells.
How does photosensitivity in annelids, cnidarians and worms vary from insects, vertebrates and cephalopods?
State various advantages of closed circulatory system over open circulatory system?
Explain the contraceptive method of the IUD?
What is latent or inductive period?
Specify the number of cellular nuclei does the pollen tube of the angiosperms have? Specify the ploidy of each of these nuclei?
Define the term hypersensitive reactions?
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Who formed two-part naming system employed in biology?
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