According to evolutionary theory, the cell on the right appeared first. were among the first photosynthetic forms of this organism. a) algae b) cyanobacteria c) plants d) zooplankton

During the process of meiosis, special cells called gametes are formed. gametes only have half the number of chromosomes that the other cells in the body have. what form of reproduction do organisms that produce gametes use?

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent