Suppose that a certain kind of plant needs help from hummingbirds to reproduce. The flowers of the plant are usually purple. Hummingbirds, though, are more likely to visit red flowers than flowers of any other color. Image courtesy of the U. S. Fish and Wildlife Service An individual plant might be more successful than others if it has

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands