One reason common names are not useful to biologists is that they

a)require the use of a dichotomous key

b)are too long

c)can apply to more than one animal

d)are in latin

How does a gymnosperm prevent itself from pollinating the same tree

What percentage of light hits earth's surface directly?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing