question: What is hair not considered?
Options:
- (A) lack
- (B) zinc
- (C) loss
- (D) Fat
- (E) long
- (F) CFCs
- (G) gold
- (H) p53
answer: Hair helps to insulate and protect the body. Lean body mass and body fat are derived from total body water. Hair is not considered fat.
The answer is (D)

question: Most ecosystems get energy from what in the atmosphere?
Options:
- (A) fires
- (B) Sun
- (C) wind
- (D) summer
- (E) oxygen
- (F) Light
- (G) heat
- (H) H20
answer: Most ecosystems get energy from sunlight. On Earth, energy from sunlight heats the atmosphere more at the equator than at the poles. Most ecosystems get energy from heat in the atmosphere.
The answer is (G)

question: What organelles that are found in the cells of mosses.
Options:
- (A) chloroplasts
- (B) epidermal
- (C) sensory neurons
- (D) an organism's body
- (E) more abundant
- (F) Epidermis
- (G) produce light
- (H) it needs them
answer: Chloroplasts are organelles that are found in the cells of plants and algae. Mosses are nonvascular plants. Chloroplasts are organelles that are found in the cells of mosses.
The answer is (A)

question: What is the primary item inside a virus?
Options:
- (A) Chemical energy
- (B) particles
- (C) genetic material
- (D) cytoplasm
- (E) electromagnetic energy
- (F) bioaerosols
- (G) food and shelter
- (H) bacteria
answer:
Viruses contain DNA but not much else. DNA DNA DNA is a person's genetic fingerprint. Viruses contain genetic material and not much else.
The answer is (C)