What part of the brain is highlighted in the diagram below? The highlighted portion is at the rear base of the brain, behind the brain stem.

Pituitary gland
Cerebrum
Cerebellum
Cerebral cortex

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

What are the student's observations and inferences before he starts his investigation?