What evidence must be considered when determining whether or not a trail is adaptation?

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.