What is an example of a tetrapod vertebrate?
Options:
- (A) genus
- (B) Leeuwenhoek
- (C) a fish
- (D) crocodile
- (E) animals
- (F) four limbs
- (G) warm-blooded
- (H) graptolites
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Let's think first: Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Crocodiles, snakes, and lizards are all types of reptiles. Crocodiles are a type of tetrapod vertebrates that make amniotic eggs.... So the answer is [(D)]

What phylum are nematodes in?
Options:
- (A) Most plants
- (B) ferns
- (C) parasites
- (D) Epidermis
- (E) white
- (F) insects
- (G) graptolites
- (H) Nematoda
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Let's think first: Roundworms make up the phylum Nematoda. Nematodes are simple roundworms. Nematodes are in the phylum Nematoda.... So the answer is [(H)]

What can a mammal produce by shivering?
Options:
- (A) energy
- (B) motion
- (C) food
- (D) warmth
- (E) cells
- (F) fur
- (G) light
- (H) matter
--
Let's think first: Mammals can also generate little bursts of heat by shivering. Basically, heat is energy. Mammals can generate little bursts of energy by shivering.... So the answer is [(A)]

What does immunization cause?
Options:
- (A) amino acids
- (B) sweating
- (C) immunoglobulin deficiency
- (D) nutrition
- (E) resistance
- (F) recovery
- (G) fever
- (H) immunity
--
Let's think first: Immunity results from immunization. An effect is the result or outcome of some cause. Immunization causes immunity.... So the answer is [(H)]

What do fungi require?
Options:
- (A) Energy
- (B) food
- (C) allow growth
- (D) warmth
- (E) Exfoliation
- (F) Bodily water
- (G) evaporation
- (H) nitrogen
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Let's think first: Fungi are the only organisms that can decompose wood. Nitrogen Deficiency Decomposing wood requires nitrogen. Fungi require nitrogen.... So the answer is [(H)]

Emphysema is often cause by exposure to:
Options:
- (A) high temperature
- (B) fog
- (C) Greenhouse gasses
- (D) rays or beams
- (E) hot steam
- (F) tobacco smoke
- (G) Pollution
- (H) incendiary people
--
Let's think first: Lung cancer is most often caused by exposure to tobacco smoke. Many patients with lung cancer also have emphysema. Enphysema is often caused by exposure to tobacco smoke.... So the answer is [(F)]