Why may there still be a decline in otter populations, even though they have been protected by the Marine Mammal Protection Act of 1972 and the Endangered Species Act of 1973?

Although there are a limited number of amino acids many different types of proteins exist because..

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

What is the primary function of the nervous system?