What do most pituitary hormones control?
Options:
- (A) Something that is self-aware
- (B) Molecular kinetic energy
- (C) Vomiting reflex
- (D) Animal survival
- (E) Veins and arteries.
- (F) an organism's body
- (G) metabolic reaction
- (H) Hormone producing structures.
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Let's think first: Most pituitary hormones control other endocrine glands. Endocrine Glands Endocrine glands are the hormone producing structures of the body. Most pituitary hormones control other hormone producing structures of the body.... So the answer is [(H)]

Cancer is characterized by cells doing what out of control?
Options:
- (A) massive damage
- (B) smoking tobacco
- (C) destroying
- (D) replicating
- (E) Localized damage
- (F) failing
- (G) disappearing
- (H) Smoking
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Let's think first: Cancer is a disease in which cells divide out of control. Cancer is a family of diseases that is characterized by cells that replicate too rapidly. Cancer is characterized by cells replicating out of control.... So the answer is [(D)]

Evolution is a change in the genetic traits of living things over what?
Options:
- (A) universes
- (B) HIV
- (C) long
- (D) extinct organisms
- (E) dead things
- (F) time
- (G) H 2 O
- (H) years
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Let's think first: Evolution is a change in the characteristics of living things over time. Almost all physical characteristics are genetic traits, inherited from parents. Evolution is a change in the genetic traits of living things over time.... So the answer is [(F)]

Bromeliads and cacti have adapted to very _ environments.
Options:
- (A) dry
- (B) wet
- (C) arid
- (D) cold
- (E) UV
- (F) warm
- (G) humid
- (H) fern
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Let's think first: Plants that are adapted to very dry environments are called xerophytes. Bromeliads and cacti are xerophytes. Bromeliads and cacti have adapted to very dry environments.... So the answer is [(A)]

Wetlands are extremely important
Options:
- (A) water conservation
- (B) global ecosystems
- (C) Desert Ecosystem
- (D) Terrestrial ecosystems
- (E) important habitats
- (F) the environment
- (G) food and shelter
- (H) Forest Ecosystems
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Let's think first: Wetlands are extremely important biomes. Biomes are global ecosystems. Wetlands are extremely important global ecosystems.... So the answer is [(B)]

What is one of the ways that mammals and other animals learn how to act?
Options:
- (A) sleeping
- (B) Movement
- (C) mating
- (D) exercise
- (E) eating
- (F) sound
- (G) playing
- (H) motion
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Let's think first: Playing is just one of many ways that mammals and other animals learn how to behave. Acting is about behaving. Playing is just one of many ways that mammals and other animals learn how to act.... So the answer is [(G)]