Organisms that reproduce sexually produce sex cells or gametes via meiosis, while body or somatic cells are produced via mitosis. as noted in the venn diagram, somatic cells are 2n while gametes are n. what process restores the 2n chromosome number in a zygote's somatic cells for growth and development to continue? a) differentiation b) fertilization c) replication d) transcription

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water