Question

1. which structure is covered in cnidocytes and functions to capture prey? (1 point)

enter your answer

1. which structure produces eggs or sperm? (1 point)

enter your answer

1. which structure has a ring of muscles that contract and relax to propel the animal forward?

(1 point)
enter your answer

1. which structure brings food to the mouth? (1 point)

enter your answer

Explanation:

1. For question 34: Cnidarians use tentacles, which are covered in stinging cnidocytes, to capture and immobilize prey.
2. For question 35: Gonads are the reproductive structures in animals that produce gametes (eggs or sperm).
3. For question 36: The bell (medusa body structure, e.g., in jellyfish) has circular muscles; their contraction and relaxation push water out, propelling the animal forward.
4. For question 37: In many aquatic invertebrates like cnidarians, tentacles move captured food particles towards the mouth.

Answer:

1. Tentacles
2. Gonads
3. Bell (of a medusa)
4. Tentacles