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Questions and Answers
What type of immune system does the species have?
What type of immune system does the species have?
- Antibodies
- Immunoglobulin-type antigen receptors (correct)
- T-cells
- Complement system
What replaces the teeth in the species?
What replaces the teeth in the species?
- Enamel-coated teeth
- Silica-based structures
- Keratinous and replaceable teeth in tongues (correct)
- Calcium deposits
What type of water can the species inhabit?
What type of water can the species inhabit?
- Fresh water only
- Brackish water only
- Salt and fresh water (correct)
- Deep sea water only
What type of feeding mechanism did the species have?
What type of feeding mechanism did the species have?
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What type of teeth did the species have?
What type of teeth did the species have?
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What type of water could the species inhabit?
What type of water could the species inhabit?
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