An organism that contains two of the same alleles for a trait is said to be for that trait.. a. heterozygous. b. homozygous. c. recessive. d. dominant

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean