Heather considers herself a "chocoholic." When she is having a bad day, she knows that a few bites of chocolate will always make her feel better. Which area of her brain is responsible for this effect? a. Medulla b. Somatosensory cortex c. Thalamus d. Orbitofrontal cortex

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

The tubes transporting minerals and water upward are called ?