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Description
A more complex form of hydr. What at first glance will seem to you a head, in fact, is not it. This is a reproductive organ. And the fact that many of you will take it as a body is actually a foot.
Many of them are quite small, only a few mm in length, but there are also some large individuals, up to 50 cm in length. Some
They live in almost all seas and oceans, being mainly filtrates and predators. They move slowly, but if necessary they can jump and swim a short distance.
There is still much that is not known about them, since they love great depths, from 500m to 5km.
Breathing, as well as metabolism, is carried out through their mouth and outer cover.
Many species are dioecious, able to change sex. More ancient representatives are hermaphrodites and, often, endemic in their habitat.

Description
A more complex form of hydr. What at first glance will seem to you a head, in fact, is not it. This is a reproductive organ. And the fact that many of you will take it as a body is actually a foot.
Many of them are quite small, only a few mm in length, but there are also some large individuals, up to 50 cm in length. Some
They live in almost all seas and oceans, being mainly filtrates and predators. They move slowly, but if necessary they can jump and swim a short distance.
There is still much that is not known about them, since they love great depths, from 500m to 5km.
Breathing, as well as metabolism, is carried out through their mouth and outer cover.
Many species are dioecious, able to change sex. More ancient representatives are hermaphrodites and, often, endemic in their habitat.