Mitosis is responsible for growth, repair, and maintenance in an organism because a) it occurs at a faster rate than meiosis. b) the chromosome number is reduced by half. c) exact duplicates of each mother cell are produced. d) it is the only process that involves replication of genetic material. eli

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Ecology can best be described as the study of what