Question

How do you think the reef will react to a lionfish invasion if there are no sea urchins?

Answer 1

Answer:

The population of reefs reduce drastically if there are no sea urchins since lionfish use them as a source of food.

Explanation:

Answer 2

The population of reefs reduce if there are no sea urchins. The lionfish use coral reefs as a food source.

• Lionfish are native to coral reefs and found in tropical waters.
• It is a species that threatens the well-being of coral reefs and other marine livings in the same ecosystems.
• However, a coral reef is an underwater ecosystem which is characterized by reef-building corals in the sea.
• Moreover, reefs consist of colonies of coral polyps held together by calcium carbonate.
• Also, coral reefs are built from stony corals and polyps cluster in groups.
• These are marine invertebrate animals and have hard exoskeletons.
• The exoskeletons are made of calcium carbonate, and they remain fixed.

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