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Question 1:

Which of the following is a characteristic of freshwater biomes?

A) High salinity
B) Abundance of marine species
C) Low dissolved oxygen levels
D) Non-marine habitats

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Explanation: The correct answer is D) Non-marine habitats. Freshwater biomes, including rivers, lakes, and wetlands, are characterized by non-marine habitats. They contain water with low salinity and provide habitats for a wide variety of plant and animal species adapted to freshwater environments.

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Question 2:

Which of the following is a characteristic of marine biomes?

A) Low dissolved oxygen levels
B) High salinity
C) Absence of aquatic organisms
D) Non-marine habitats

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Explanation: The correct answer is B) High salinity. Marine biomes, including oceans, seas, and coral reefs, are characterized by high salinity. They are home to a diverse range of marine organisms adapted to the saltwater environment.

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Question 3:

Which of the following is an example of a freshwater biome?

A) Coral Reef
B) Estuary
C) Deep Ocean
D) Mangrove Forest

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Explanation: The correct answer is B) Estuary. An estuary is an example of a freshwater biome. It is a partially enclosed coastal body of water where freshwater from rivers and streams mixes with saltwater from the ocean. Estuaries are highly productive and support diverse plant and animal life.

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Question 4:

Which of the following is a characteristic of coral reef biomes?

A) Low biodiversity
B) Absence of photosynthetic organisms
C) High water turbidity
D) Rich biodiversity and vibrant photosynthetic communities

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Explanation: The correct answer is D) Rich biodiversity and vibrant photosynthetic communities. Coral reef biomes are known for their high biodiversity and vibrant photosynthetic communities. They are home to a wide variety of fish, invertebrates, and corals, and rely on photosynthetic organisms, such as coral polyps and algae, for their energy and structure.

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Question 5:

Which of the following is an example of a marine biome?

A) Freshwater lake
B) Bog
C) Deep sea
D) Alpine meadow

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Explanation: The correct answer is C) Deep sea. The deep sea is an example of a marine biome. It refers to the vast, dark, and largely unexplored regions of the ocean that extend beyond the continental shelf. The deep sea is home to unique and diverse organisms adapted to the extreme conditions of high pressure, low temperatures, and limited sunlight.