(question). Which can move?
Options:
- (A) Raft
- (B) light energy
- (C) vehicles
- (D) insects
- (E) protists
- (F) bicycle
- (G) animals
- (H) an object
(answer). Most protists have motility. All animals are motile, moving about at some point in their life cycle. Most protists are able to move.
The answer is (E)

(question). What do xerophytes do to adapt to dry environments?
Options:
- (A) By wind and rain
- (B) The flowers are pollinated
- (C) photosynthesis.
- (D) Transfers energy
- (E) To conserve energy
- (F) alter their physical structure
- (G) thermal insulators
- (H) hydrate their cells
(answer). Plants that are adapted to very dry environments are called xerophytes. Plants that have adapted by altering their physical structure are called xerophytes . Xerophytes change their physical structure to adapt to dry environments.
The answer is (F)

(question). Plants have a life cycle which includes both sexual reproduction and what?
Options:
- (A) converting electricity to heat
- (B) arranged marriage
- (C) asexual reproduction
- (D) rapid expansion
- (E) biological diversity
- (F) singular
- (G) babies
- (H) produce offspring
(answer). All plants have a characteristic life cycle that includes alternation of generations. Alternation of generations always includes a sexual phase alternating with an asexual phase. All plants have a characteristic life cycle that includes sexual and asexual reproduction.
The answer is (C)

(question). What can fatty acids be combined with, in addition to carbon and oxygen?
Options:
- (A) Sodium
- (B) Energy.
- (C) glucose
- (D) Carbon Dioxide
- (E) Fuel cells
- (F) Uranium
- (G) Hydrogen
- (H) Energy
(answer).
Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are also composed of carbon, oxygen and hydrogen. Carbon, oxygen, and hydrogen can be combined with fatty acids.
The answer is (G)