Which of the following best describes passive transport?
a. cellular transport that requires cellular energy in the form of atp
b. cellular transport in which the cell membrane pinches around a
substance in order to bring it into the cell
o
c. cellular transport that does not require cellular energy
d. cellular transport in which substances move from areas of low
concentration to areas of higher concentration
submit

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.