Where in tropical regions can you find cobra bobo?
Options:
- (A) an organism's body
- (B) more abundant
- (C) layers of fat
- (D) swamp vegetation
- (E) colder and wetter
- (F) Wet weather
- (G) in moist soil
- (H) dry conditions
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Let's think first: Caecilians can be found in moist soil near rivers and streams in tropical regions. Cobra bobo is the local name for caecilian. Cobra bobos can be found in moist soil near rivers and streams in tropical regions.... So the answer is [(G)]

What are flower cell walls made of?
Options:
- (A) cellular
- (B) lmestone
- (C) cellulitis
- (D) strong
- (E) cellulose
- (F) cellulite
- (G) heat energy
- (H) acetic acid
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Let's think first: Plants are multicellular eukaryotes with cell walls made of cellulose. Flowers are plant organs of reproduction. Flowers are multicellular eukaryotes with cell walls made cellulose.... So the answer is [(E)]

What are cells the basic units of the structure and function of?
Options:
- (A) humans
- (B) Most plants
- (C) animals
- (D) Cell service
- (E) Organisms
- (F) mammals
- (G) Lego cells
- (H) Buildings
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Let's think first: Cells are the basic units of the structure and function of living things. An organism is a living thing. Cells are the basic units of the structure and function of an organism.... So the answer is [(E)]

What happens when sperm swim from men's to women's reproductive organs?
Options:
- (A) by indirect light
- (B) matter vibrating
- (C) death
- (D) competition
- (E) fertile crescent
- (F) fertilizer
- (G) permineralization
- (H) fertilization
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Let's think first: Sperm had to swim from male to female reproductive organs for fertilization. And the word for woman means a female of any age. Sperm have to swim from men to women reproductive organs to be fertilized.... So the answer is [(H)]

Animals that tend to have complex nervous systems are missing what?
Options:
- (A) Energy
- (B) Energy.
- (C) nervous system
- (D) Chlorophyll
- (E) backbone
- (F) alleles
- (G) abdomen
- (H) brain
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Let's think first: Most invertebrates have a more complex nervous system. Invertebrates are animals without a backbone. Most animals without a backbone have a more complex nervous system.... So the answer is [(E)]

Most people can survive only a few days without what?
Options:
- (A) carbon dioxide
- (B) oxygen
- (C) h2o
- (D) H20
- (E) NaCl
- (F) CO2
- (G) soda
- (H) urea
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Let's think first: Most people can survive only a few days without water. Water is everywhere H20. Most people can survive only a few days without H20.... So the answer is [(D)]