Which of the following would be a result of eutrophication of nitrogen?
a. undergrowth of water plants
b. hypoxia, or low levels of oxygen
c. decreased decomposition
d. inactivity of fertilizers

9. the history of life on earth is recorded in

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds?