During fertilization, a haploid sperm cell unites with a haploid egg cell to form a diploid zygote, as shown below.
Which of the following diagrams shows how the zygote looks immediately following one cell division?

A. Y
B. X
C. W
D. Z

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

24. how are vaccines used to keep people healthy?

Select all the correct answers. which statements fail to meet the requirements of a scientific claim? a) in the final 100 meters of a 10,000-meter race, an athlete's speed is more strongly related to anaerobic efficiency than to aerobic efficiency. b) flowers that reflect the most ultraviolet light are more likely to attract bees and other pollinators than flowers that reflect less ultraviolet light. c) even though evidence indicates that the solar system's planets follow elliptical paths, copernicus's model involving circular orbits is true. d) the evidence supporting newton's laws of motion was accurate in newton's time, but the universe operates differently today.