Solution idea: Most protists have motility. Protists Protists are single-celled organisms. Most single-celled organisms are motile.
Q: What is one thing most single-celled organisms have in common?
Options:
- (A) Energy
- (B) glucose
- (C) bacteria
- (D) motility
- (E) Energy.
- (F) heat energy
- (G) resistance
- (H) warmth
A: (D)

Solution idea: Playing is one way mammals and other animals learn how to behave. Second stage, learn how to behave assertively. Playing is one way mammals and other animals learn how to be assertive.
Q: How do animals learn how to be assertive?
Options:
- (A) lectures from their parent
- (B) instinct
- (C) Movement
- (D) playing
- (E) being killed
- (F) ligt
- (G) sweating
- (H) exercise
A: (D)

Solution idea: Earthworms are important deposit feeders that help form and enrich soil. Earth stands for soil, dust or ground. Earthworms are important deposit feeders that help form and enrich earth.
Q: An earthworm is an important
Options:
- (A) allow growth
- (B) cleaner for earth
- (C) Plant reproduction
- (D) more abundant
- (E) parasite
- (F) Something that makes plants green
- (G) predator
- (H) deposit feeder for earth
A: (H)

Solution idea: Viruses contain DNA but not much else. DNA stands for Deoxyribonucleicacid. Viruses contain Deoxyribonucleicacid but not much else.

Q: What do viruses contain?
Options:
- (A) electromagnetic energy
- (B) light energy
- (C) resistance
- (D) contamination
- (E) Deoxyribonucleicacid
- (F) Chemical energy
- (G) harmful substances
- (H) Leptospirosis
A: (E)