Ocean Flora

Which of the following is a common type of algae found in ocean flora?

• Kelp

• Cactus

• Pine

• Fern

What role do phytoplankton play in the ocean ecosystem?

• They are primary producers.

• They are top predators.

• They decompose organic matter.

• They are parasites.

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Which pigment is primarily responsible for the green color in many ocean plants?

• Chlorophyll

• Carotene

• Xanthophyll

• Anthocyanin

What is the primary function of seagrasses in marine environments?

• Provide habitat and food for marine life

• Filter salt from seawater

• Produce bioluminescence

• Attract predators

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Which of the following is a characteristic of mangrove trees?

• They can survive in salty water.

• They grow in deserts.

• They are found in polar regions.

• They are freshwater plants.

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How do ocean plants contribute to the carbon cycle?

• By absorbing carbon dioxide during photosynthesis

• By releasing methane into the atmosphere

• By decomposing into fossil fuels

• By converting carbon dioxide into nitrogen

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What is the significance of the Sargasso Sea in terms of ocean flora?

• It is known for its floating seaweed, Sargassum.

• It is a freshwater lake.

• It is devoid of any plant life.

• It is covered with ice year-round.

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Which ocean plant is known for its ability to grow rapidly and form underwater forests?

• Kelp

• Coral

• Sea anemone

• Jellyfish

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What adaptation allows mangroves to thrive in coastal environments?

• Specialized roots that filter salt

• Thick waxy leaves to reduce water loss

• Ability to store large amounts of water

• Deep taproots to access groundwater

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Which ocean plant is often used in food products and cosmetics for its gelatinous properties?

• Seaweed

• Coral

• Seagrass

• Mangrove