What passes traits from parents to offspring?
Options:
- (A) Birth certificate
- (B) Lactation
- (C) p53
- (D) HIV
- (E) RNA
- (F) Pedigree
- (G) SNPs
- (H) DNA
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Let's think first: Characteristics that are encoded in DNA are called genetic traits. DNA is used to transmit characteristics from parents to offspring. DNA passes traits from parents to offspring.... So the answer is [(H)]


_ is found in most molecules.
Options:
- (A) glucose
- (B) Gold
- (C) Energy
- (D) food
- (E) Polonium
- (F) Nitrogen
- (G) Helium
- (H) heat energy
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Let's think first: Nitrogen is found in proteins, nucleic acids, and chlorophyll. Most molecules are proteins or nucleic acids. Nitrogen is found in most molecules.... So the answer is [(F)]


Organisms that live in marine biomes must be adapted to what?
Options:
- (A) Deposition
- (B) fish
- (C) waves
- (D) darkness
- (E) salinity
- (F) heat or cold
- (G) evaporation
- (H) Deposition.
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Let's think first: Organisms that live in marine biomes must be adapted to the salt in the water. Salinity is the measure of salts in the water. Organisms that live in marine biomes must be adapted to salinity.... So the answer is [(E)]


What can happen to a population when animals begin to migrate?
Options:
- (A) It expands
- (B) harm them
- (C) it can change species
- (D) Move to another area
- (E) it can eat more
- (F) it can go extinct
- (G) it can fluctuate
- (H) Plant growth is reduced
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Let's think first: Migration is a type of movement that changes population size. Population viability Population sizes are under constant fluctuation. Migration is a type of movement that causes a population to fluctuate.... So the answer is [(G)]


What forms in shallow tropical water?
Options:
- (A) ocean
- (B) romance
- (C) bushes
- (D) ferns
- (E) reefs
- (F) bamboo
- (G) fossils
- (H) snorkelling
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Let's think first: Corals form large colonies in shallow tropical water. Huge colonies of hard corals form coral reefs . Reefs form in shallow tropical water.... So the answer is [(E)]


What is rain that absorbs into the earth called?
Options:
- (A) aqueous solution
- (B) heat energy
- (C) soilwater
- (D) groundwater
- (E) peachleaf willow
- (F) mud
- (G) puddle
- (H) water vapor
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Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Some precipitation that falls on land may soak into the ground, becoming groundwater. Rain is also known as precipitation. Rain that falls on land may soak into the ground and become groundwater.... So the answer is [(D)]