Human Impacts on the Earth:Question 1 How have human activities such as building increasingly larger
cities and converting grassland to farmland affected extinction
rates of living organisms?

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Which of the following is a common response to cell signaling?

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f