How many openings do adult tunicates have that siphon water in and out of the body?

How many openings do adult tunicates have that siphon water in and out of the body?

Correct Answer: two
one
three
four

Explanation: Adult tunicates are barrel-shaped. They have two openings that siphon water into and out of the body. The flow of water provides food for filter feeding. Tunicates reproduce sexually. Each individual produces both male and female gametes. However, they avoid self-fertilization. Tunicates can also reproduce asexually by budding.

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