Which freshwater ecosystem is most productive apex?

If the frequency of the p allele is .63 in the population then what is the frequency of the q allele?

What is the term for a water wave that is created by an underwater earthquake?

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