5 poi 9. The diagram shows the flow of organic molecules through an
ecosystem. One process that occurs in this ecosystem is labeled X, and
another process that occurs in labeled Y. Which two processes are
identified by the labels X and Y?*
Carbon dioxide
CO2
Y
photosynthesis

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.