Mary bought three flowering plants for her garden. the first one has red tubular flowers filled with nectar; the second one has yellow, sweetly scented flowers; and the third one has large dish-like flowers with a musty odor.
what are the most likely pollinators of each flower?
a) bees , butterflies , ants respectively
b) birds , bees , and bats respectively
c) bees , beetles , and moths respectively

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

How does friction with the atmosphere affect the speed of an artificial satellite