Lancelets reproduce sexualy. There are two sexes in each species and the sperm and egg are simaltaniously released into the water where fertilization occurs. Tunicates on the other hand, reproduce a little differently. The gametes produce a larva which looks very similar to a tadpole that has a small spherical body with a long tail. These larvae are released from the tunicate and swim freely intil they find the perfect habitat to settle in. Within a few weeks the baby tunicate reaches it's full adult size and is able to begin it's own reproduction.
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