Saturated fatty acids are used for:
Options:
- (A) exercise
- (B) Reproducing
- (C) solid, liquid, gas
- (D) energy storage
- (E) keeping the dog warm
- (F) oxidation reaction
- (G) an organism's body
- (H) Plants growth
--
Let's think first: Animals use saturated fatty acids to store energy. Animals store excess energy as fat. Saturated fatty acids can be used to store excess energy.... So the answer is [(D)]

What produces both eggs and sperm?
Options:
- (A) Plant reproduction
- (B) sub-units of species
- (C) gastropod shells
- (D) an individual mature sponge
- (E) Microscopic organisms
- (F) members of their own species
- (G) peachleaf willow
- (H) seed dispersal
--
Let's think first: Adult sponges produce eggs and sperm. An adult is mature, fully developed. Mature sponges produce eggs and sperm.... So the answer is [(D)]

What is the process of breaking down food into nutrients?
Options:
- (A) recycling
- (B) food processing
- (C) digestion
- (D) bacteria
- (E) eating
- (F) hydration
- (G) Dehydration
- (H) blender
--
Let's think first: Digestion is the process of breaking down food into components the body can absorb. Nutrients are absorbed by the intestines and if the walls are coated, fewer nutrients are absorbed. Digestion is the process of breaking down food into nutrients.... So the answer is [(C)]

What happens before the rigid structure that surrounds the plant cell dilates?
Options:
- (A) It decreases
- (B) competition
- (C) air cools
- (D) relaxation
- (E) cracking
- (F) sweating
- (G) rapid expansion
- (H) It expands
--
Let's think first: Dilation occurs when cell walls relax. Cell wall is the rigid structure that surrounds the plant cell. Dilation occurs when the rigid structure that surrounds the plant cell relaxes.... So the answer is [(D)]

An animal's outer shell protects internal organs and:
Options:
- (A) food and shelter
- (B) epidermal
- (C) Epidermis
- (D) all matter
- (E) soft tissues
- (F) alveoli
- (G) warmth
- (H) layers of fat
--
Let's think first: Bone provides protection for soft tissues and internal organs. Bones provide an outer shell to protect our internal organs. Soft tissues and internal organs need an outer shell for protection.... So the answer is [(E)]

What can lead to bullying?
Options:
- (A) Cooperation
- (B) Isolation
- (C) Damaged hearing
- (D) Perfection
- (E) Competition
- (F) negative
- (G) smoking tobacco
- (H) heat or cold
--
Let's think first: Competition may lead to aggressive behaviors or displays of aggression. Aggressive behavior is often first recognized as bullying behavior. Competition can result in bullying.... So the answer is [(E)]