What is larger than ponds?
Options:
- (A) rivers
- (B) deltas
- (C) H 2 O
- (D) loch
- (E) toads
- (F) drop
- (G) puddle
- (H) bird bath
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Let's think first: Lakes are generally bigger and deeper than ponds. Scotland s lochs , including the famous Loch Ness, are glacial lakes. Lochs are bigger and deeper than ponds.... So the answer is [(D)]

What do mammals use their body hair or fur to conserve?
Options:
- (A) food
- (B) energy
- (C) warm
- (D) warmth
- (E) strength
- (F) sunlight
- (G) water
- (H) health
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Let's think first: Mammals conserve body heat with their hair or fur. Heat is emitted energy. Mammals conserve body energy with their hair or fur.... So the answer is [(B)]

What feeds on plankton and nonliving organic matter?
Options:
- (A) bacteria
- (B) barnacles
- (C) animals
- (D) sharks
- (E) pythons
- (F) graptolites
- (G) molluscs
- (H) bears
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Let's think first: Bivalves feed on plankton and nonliving organic matter. Bivalve molluscs are very common. Molluscs feed on plankton and nonliving organic matter.... So the answer is [(G)]

Where do corals form large colonies?
Options:
- (A) Mars
- (B) new World
- (C) Sediment
- (D) shoreline
- (E) environment
- (F) Absorb light
- (G) loose soil
- (H) polyps
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Let's think first: Corals form large colonies in shallow tropical water. Water is shallow at the shore with gradual deepening. Corals form large colonies at the shoreline.... So the answer is [(D)]

What is called when plants grow toward the sun or an artificial light?
Options:
- (A) Exfoliation
- (B) Brownian motion
- (C) heat energy
- (D) phototropism
- (E) photovoltaic
- (F) autumn
- (G) peachleaf willow
- (H) mitosis
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Let's think first: Plants exhibit phototropism, or growing toward a light source. Many light sources such as the sun and most artificial lights produce unpolarized light. Plants exhibit phototropism, or growing toward the sun or artificial light.... So the answer is [(D)]

What does lymphoma do to cells?
Options:
- (A) stops cells from dividing
- (B) fertilizes cells
- (C) It helps them survive
- (D) it protects them
- (E) cause people to become sick.
- (F) an area swollen with pus
- (G) causes them to divide often
- (H) infects with a virus
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Let's think first: Cancer cells divide more often than normal cells, and grow out of control. And leukemia and lymphoma are forms of cancer. Lymphoma causes cells to divide more often than normal cells and to grow out of control.... So the answer is [(G)]