Cartilaginous fishes retain __________ in their body, so they do not lose or gain water by osmosis. Fill in the blank(s) with the appropriate word(s)
urea
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When solutes are unloaded from phloem, water
a. is pumped into the phloem by active transport. b. leaves the xylem by osmosis. c. moves into the phloem by facilitated diffusion. d. is pumped out of the phloem by active transport. e. leaves the phloem by osmosis.
Tides are strongest when the
A) body of water is very large. B) Sun is setting. C) Earth, Moon, and Sun are in line. D) Moon and Sun are at right angles to the Earth.
Allocating carbon to the production of roots increases access to water and soil nutrients but limits carbon allocation to the production of leaves
Indicate whether the statement is true or false
Which part of the pharynx is not matched to its correct location?
A. laryngopharynx: where the pharynx opens into the larynx B. nasopharynx: where the nasal cavities open at the top C. oropharynx: where the sinuses open