The fact that the right side of the brain controls the left side of the body is explained by the

A) division of the cerebrum into two hemispheres.
B) division of the cerebellum into two hemispheres.
C) decussation of the pyramids in the medulla.
D) need for contra-lateral control of body function.
E) brainstem being below the midbrain.

Describe how lakes are stratified during the summer.

A small chamber occupied by an osteocyte is called a(n) ________.

A) lacuna
B) osteon
C) lamella
D) canaliculus
E) endosteum

During photosynthesis, solar energy is converted to chemical energy by the chloroplasts. The process is represented by

A) carbohydrate + oxygen → carbon dioxide + water + energy.
B) carbohydrate + carbon dioxide → oxygen + water + energy.
C) solar energy + oxygen + water → carbohydrate + oxygen.
D) solar energy + carbon dioxide + water → carbohydrate + oxygen.
E) solar energy → carbohydrate + oxygen.

According to Gould's "panda principle"

A) selection can only act on traits that already exist.
B) signals can evolve even when they are maladaptive.
C) communication coevolves between signal senders and receivers.
D) sensory systems are under selection to optimize behaviors according to the specific environment.

TSH

A) Stimulates synthesis of thyroid hormones
B) Increases adrenal cortex secretions
C) Development of immune system
D) Milk production
E) Decreases blood Ca²⁺ levels

This simple tissue of plants is comprised of cells that are dead at maturity and that provide structural support to plant parts.

A) parenchyma
B) collenchyma
C) sclerenchyma
D) xylem
E) phloem

Which of the following is not a step in the integrative bargaining process?

A) Create standards for decision making
B) Identify issues that need to be discussed
C) Present a list of demands to the other party
D) Understand each side's fundamental interests