Which of the following are factors that could cause the carrying capacity of a population to decrease?
decrease in the amount of rainfall in an ecosystem.
development of a shopping mall near a lake.
decrease in the population of owls that prey on songbirds.
all of the above.

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time