Index fossils are used for dating.

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups

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

Which of the following are responsible for sending messages from the hypothalamus to the thalamus?