Gravity is a force that can make things go down hill.
Answer:
150.
Explanation:
150 flies are expected to have normal body color and to be eyeless in F2 generation. The reason for that population is the ratio of the species produced. The ratio of the species are 9:3:3:1. Ratio 9 refers to first parent while 1 refers to second parent and the middle 3's represent the hybrid formed. So the population of first parent is 450 and population of second parent is 50 while the population of two hybrids are 150 each.
The viral uses the host cell to make new viral parts .
Because you might have just done something different with the experiment and messed up someway during the test
Lloyd came up with the idea of Tragedy of the Commons