Which is a requirement for life?
Options:
- (A) glucose
- (B) hydration
- (C) sunlight
- (D) scandium
- (E) recovery
- (F) oxygen
- (G) uranium
- (H) radon
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Let's think first: Oxygen is essential for cellular respiration for all aerobic organisms. Cellular respiration is a requirement for life. Oxygen is a requirement for life.... So the answer is [(F)]

Which process of gene abnormalities can mutations be detected?
Options:
- (A) A computer
- (B) ligt
- (C) analysis
- (D) radiation
- (E) electrically
- (F) negative
- (G) Microscope
- (H) illness
--
Let's think first: Mutations may change the structure of a chromosome or just change a single nucleotide. Chromosomal abnormalities can be examined by chromosome analysis. Mutations can be detected by analysis on gene abnormalities.... So the answer is [(C)]

What do fungi require?
Options:
- (A) Energy
- (B) food
- (C) allow growth
- (D) warmth
- (E) Exfoliation
- (F) Bodily water
- (G) evaporation
- (H) nitrogen
--
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)]

What are one celled organisms?
Options:
- (A) Plants growth
- (B) slime molds
- (C) warm-blooded
- (D) peachleaf willow
- (E) honeybees
- (F) orchids
- (G) Most plants
- (H) produce light
--
Let's think first: Slime molds are fungus-like protists commonly found on rotting logs and compost. Protists are one celled organisms. Slime molds are one celled organisms.... So the answer is [(B)]

Adult sponges are
Options:
- (A) warm
- (B) immobile
- (C) food
- (D) parasites
- (E) strong
- (F) white
- (G) fertile
- (H) warm-blooded
--
Let's think first: Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are attached permanently, immobile.... So the answer is [(B)]

What can slowly dissolve carbon in sedimentary rock?
Options:
- (A) hydrocarbons
- (B) acetic acid
- (C) precipitation
- (D) evaporation
- (E) rivers and streams
- (F) puddles
- (G) ponds
- (H) nitrogen
--
Let's think first: Flowing water can slowly dissolve carbon in sedimentary rock. Rivers and streams are bodies of fresh, flowing water. Rivers and streams can slowly dissolve carbon in sedimentary rock.... So the answer is [(E)]