in a population of bats the survival rate of very large winged bats and very small winged bats is greater

Scientist wanted to formulate a pool to attack a specific type of bacteria that infects with you. what biological component would be best to use as a model for the pills function?

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?