What does the principle of descent with modification imply?

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

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule