What is the portion of the brain that contains a number of small nuclei with a variety of functions.
O Cerebral Aqueduct
O Cerebellum
O Hypothalamus
Cerebrum
O Pituitary

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

When analyzing tree rings, what do scientists assume a thin ring indicates?