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Questions and Answers
What is the main function of the tentacles in sea anemones?
What is the main function of the tentacles in sea anemones?
What is the primary source of food for sea anemones?
What is the primary source of food for sea anemones?
What type of relationship do sea anemones have with certain species of fish?
What type of relationship do sea anemones have with certain species of fish?
What is a unique feature of sea anemones' bodies?
What is a unique feature of sea anemones' bodies?
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Where are sea anemones typically found?
Where are sea anemones typically found?
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What is the phylum that sea anemones belong to?
What is the phylum that sea anemones belong to?
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Study Notes
Characteristics
- Sea anemones are marine animals that belong to the phylum Cnidaria
- They are characterized by their soft, cylindrical bodies and tentacles
- Typically range in size from 1-50 cm (0.4-20 inches)
Body Structure
- The body consists of a columnar base, a central pharynx, and a oral disc with tentacles
- The columnar base is attached to a substrate, such as a rock or reef
- The oral disc is surrounded by tentacles, which are used for capturing prey and defense
Tentacles
- Tentacles are long, thin structures that are covered with stinging cells called nematocysts
- Nematocysts contain a venomous substance that helps to immobilize prey
- Tentacles are highly flexible and can be retracted into the body for protection
Diet
- Sea anemones are carnivorous and feed on small fish, crustaceans, and other invertebrates
- They use their tentacles to capture prey and then bring it to the mouth for digestion
Symbiotic Relationships
- Sea anemones have a symbiotic relationship with certain species of fish, such as clownfish
- The fish receives protection from predators, and the anemone receives cleaning and nutrient-rich waste
Reproduction
- Sea anemones can reproduce by budding, fragmentation, or sexual reproduction
- They can also regenerate lost body parts, including entire individuals from a small piece of tissue
Habitat
- Sea anemones are found in shallow, tropical waters, typically in areas with high water flow
- They are often found in coral reefs, rocky crevices, and on sea grass beds
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Description
Test your knowledge of sea anemones, including their characteristics, body structure, tentacles, diet, symbiotic relationships, reproduction, and habitat. Learn about these fascinating marine animals and their unique features.
