Age pyramids are predicted to keep the same basic shape for 20-30 years (while a generation is in one age class). which of the following is not something that could drastically change an age pyramid?

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a. large-scale warfare

b. highly infectious deadly disease

c. population boom

d. better medication leading to lower mortality rates

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting