Cells have multiple repair mechanisms to fix mutations in what?
Options:
- (A) Veins and arteries.
- (B) Most plants
- (C) the body's largest organ
- (D) members of their own species
- (E) wavelengths and photons
- (F) epidermis and dermis
- (G) deoxyribonucleic acid
- (H) peachleaf willow
--
Let's think first: Cells have multiple repair mechanisms to fix mutations in DNA. DNA DNA is deoxyribonucleic acid. Cells have multiple repair mechanisms to fix mutations in deoxyribonucleic acid.... So the answer is [(G)]

In what way do viruses not proliferate?
Options:
- (A) adding heat
- (B) at or near the margins
- (C) They may not survive.
- (D) dry conditions
- (E) heat or cold
- (F) by indirect light
- (G) Localized damage
- (H) binary division
--
Let's think first: Populations of viruses do not grow through cell division because they are not cells. Cells, the basic units of every living organism, proliferate by binary division. Viruses do not proliferate via binary division.... So the answer is [(H)]

What supplement would a human take to aid in breaking down food?
Options:
- (A) sweating
- (B) Energy
- (C) Enzymes.
- (D) Calcium supplements.
- (E) Energy.
- (F) Antacid.
- (G) Protein supplement.
- (H) evaporation
--
Let's think first: Digestion is the process of breaking down food into components the body can absorb. Digestive enzymes are necessary for a complete digestion. Enzymes break down food into components the body can absorb.... So the answer is [(C)]

How can behavior be learned?
Options:
- (A) by inheriting them
- (B) competition
- (C) An object is seen
- (D) by staying away from others
- (E) by ignoring others
- (F) Riding a bike
- (G) firm hugs
- (H) through games
--
Let's think first: Behaviors can be learned through play. Ian plays role playing games. Behaviors can be learned through games.... So the answer is [(H)]

What kind of species are seahorses?
Options:
- (A) horse
- (B) seaweed
- (C) edible
- (D) marine
- (E) a fish
- (F) shellfish
- (G) strong
- (H) food
--
Let's think first: Marine species live mainly in shallow coastal waters. Seahorses inhabit shallow coastal waters, especially seagrass beds, coral reefs and mangrove swamps. Seahorses are marine species.... So the answer is [(D)]

What are vascular plants that produce seeds in the form of cones?
Options:
- (A) Leptospirosis
- (B) more abundant
- (C) Newton
- (D) it needs them
- (E) Conifers
- (F) epidermal
- (G) evergreens
- (H) white
--
Let's think first: Gymnosperms are vascular plants that produce seeds in cones. Gymnosperms are the plants that are known as evergreens. Evergreens are vascular plants that produce seeds in cones.... So the answer is [(G)]