What is the primary distinguishing feature that separates the gymnosperms from the angiosperms?
What will be an ideal response?
Gymnosperms lack flowers; rather they produce their seeds in cones. Angiosperms have flowers and the seeds are within a fruit.
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Companion cells load most of the carbohydrates into sieve tube members
a. through plasmodesmata. b. by osmosis. c. by antiport. d. through carrier proteins. e. by symport.
Dalton’s law of partial pressures states that the total pressure of a mixture of gases is equal to the sum of the pressures
of the individual gases. Indicate whether the statement is true or false.
A hydrophilic substance is one that can
A. form covalent bonds with hydrogen. B. dissolve in water. C. buffer a solution. D. mix with nonpolar solvents.
In science, what would an individual's personal experience or endorsement be considered?
What will be an ideal response?