4. Which model of evolution shows change over a relatively short period of time?
A) embryology
B) adaptation
C) gradualism
D) punctuated equilibrium

Discuss the functions of epithelial connective nerviud and muscular tissues

When wind creates a sand dune, the sheltered side of the dune is less steeply sloped than the windward side has the same incline as the windward side is more steeply sloped than the windward side

Which animal receives the greatest amount of the original energy found in the producers