Which of the following would have the greatest effect on natural selection within a geographically isolated population of elephants? a. dna replication b. availability of resources c. formation of gametes d. average life expectancy

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?