Ahuman cell that contains all of the information necessary for the growth and development of a complete organism

1. a sperm cell
2. a gamete
3. a zygote
4. an egg cell

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities