Oxygen and glucose share this mechanism in the body:
Options:
- (A) it needs them
- (B) aerobic capacity
- (C) transportation
- (D) flow of electrons
- (E) Energy.
- (F) Veins and arteries.
- (G) sweating
- (H) oxidation reaction
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Let's think first: Oxygen is just one substance transported by the blood. Blood glucose is the substance that feeds our cells. Oxygen and glucose are transported the same way in the body.... So the answer is [(C)]

What does cricoid contain?
Options:
- (A) Bodily water
- (B) cellulum
- (C) cellulite
- (D) Energy
- (E) hydrocarbons
- (F) cellulose
- (G) cellular
- (H) layers of fat
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Let's think first: Cartilage is a tough tissue that contains a protein called collagen. Membranes attached to the cricoid cartilage . Cricoid is a tough tissue that contains a protein called collagen.... So the answer is [(F)]

Lobsters have special structures for:
Options:
- (A) excretion
- (B) Cooking
- (C) produce light
- (D) staying warm
- (E) butter
- (F) Maine
- (G) layers of fat
- (H) tastiness
--
Let's think first: Some arthropods have special excretory structures. An ant and a lobster are both arthropods. Lobsters have special excretory structures.... So the answer is [(A)]

What is secreted by organisms like frogspawn to become a reef?
Options:
- (A) exocrine glands
- (B) food and shelter
- (C) exoskeleton
- (D) bones
- (E) Energy
- (F) Chemical energy
- (G) plasma
- (H) Energy.
--
Let's think first: Many corals secrete an exoskeleton that builds up to become a coral reef. Good examples are Bubble coral, Elegance coral, Frogspawn and other Euphyllia corals. Organisms like frogspawns secrete an exoskeleton that builds up to become a reef.... So the answer is [(C)]

What might be stored in limestone?
Options:
- (A) carbonated water
- (B) chemicals
- (C) cigars
- (D) candles
- (E) Energy.
- (F) carbon
- (G) Energy
- (H) fossils
--
Let's think first: Carbon may be stored in sedimentary rock for millions of years. Limestone is a type of sedimentary rock. Carbon might be stored in limestone.... So the answer is [(F)]

Starfish, sea urchins and sea cucumbers lack a what?
Options:
- (A) characteristics
- (B) the body's largest organ
- (C) watery habitat
- (D) centralized nervous system
- (E) functioning arm
- (F) underwater life
- (G) biological diversity
- (H) epidermis and dermis
--
Let's think first: Echinoderms lack a centralized nervous system. Echinoderms include starfish, sea urchins, and sea cucumbers. Starfish, sea urchins and sea cucumbers lack a centralized nervous system.... So the answer is [(D)]