Digestion is the mechanical and chemical breakdown of food and the absorption of
nutrients true or false?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Where in the cell are ribosomes made?