Which of the following is an example of a thermosetting polymer? a. polyethylene b. a linear polymer c. a branched polymer d. a cross-linked polymer

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

How does natural selection change thephenotypes within a population over time?

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?