Which of the following is an example of passive transport across a membrane? a
the movement of H+ into a thylakoid disc during photosynthesis
b
the uptake of glucose in the intestine
с
the uptake of mineral ions into root hair cells of plants
d
the movement of water from the descending loop of a nephron into the interstitium

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of . cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of .