1. which of the following statements best describe the difference between angiosperms and gymnosperms?
a. angiosperms produce cones to protect their seeds; gymnosperm seeds are surrounded by fruit.
b. gymnosperms include fruit trees and ginkgos; angiosperms include conifers, spruces, and firs
c. gymnosperms are mostly adapted for wind pollination; angiosperms are mostly adapted for animal pollination.
d. angiosperms were the first to colonize land; gymnosperms developed later than the more primitive angiosperms.

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

Modern computers can store about as much information as the human brain. true false its false i took the test