What type of country is described by low birth rates, lower infant mortality rates, and longer life expectancy?
a. developed country
b. transitional country
c. developing country
d. preindustrial country

what would happen to a population of rabbits if their predators disappeared?
a. the rabbit population would grow.
b. the rabbit population would decline.
c. the rabbit population would stay the same size.
d. the rabbits would get a disease.

what was a contributing factor to the environmental problems during the 1960s?
a. population increase
b. population decrease
c. increased agriculture
d. decrease in industry

what type of organism is a dolphin?
a. autotroph
b. heterotroph
c. producer
d. decomposer

what type of wild animal is it safe to feed or approach?
a. a rabbit
b. a wolf
c. a snake
d. never approach an unknown animal