The diagram shows an example of evolution by ­punctuated equilibrium. Use the diagram to answer questions 38 and 39. What does the graph show about the relationship between time and genetic change when species evolve in a pattern of punctuated equilibrium?

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

What advantages does a pedigree have over a written passage?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer