Rats carry bacteria that cause bubonic plaque. fleas that bite the rats
become infected, and then they transmit the plague bacteria to other animals
they bite, including humans. which role do both fleas and bacteria play in this
situation?

a. predator
b. parasite
c. prey
d. host

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