Zebra mussels, shown below, have recently been found in colorado lakes.

the mussels are not native to the lakes, and they have begun to kill native mussels by attaching to them and covering them up. the zebra mussels are
a pioneer species.
an invasive species.
a cooperative species.
a hybrid species.

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