21. 2017 г. Cassiopeia has no speaking brain — a diffuse "net" about 700 million years ago, becoming part of the Earth's first animals.
Are there any animals without a brain?
Other animals that survive without a brain include sea stars, sea cucumbers, sea urchins, sea urchins, sea anemones, squirting, sea sponges, corals, and Portuguese man-of-war. .. Many brainless creatures have a simple mechanism that can do everything they need to survive. 24мая 2016г.
Which animal has neither brain nor blood?
Starfish, also known as seastars, are one of the most beautiful looking animals in the vast ocean. They have a surprisingly unusual anatomy, have no brain or blood, but can digest food outside the body.
Which animal had the first brain?
Therefore, planarians may not only be the first animals to have a brain, but also the ancestors of the vertebrate brain.
Are there any immortal animals?
So far, only the turritopsis nutricula has been called "biologically immortal". These small, transparent animals hang out in the oceans around the world and can be returned in time by returning to the early stages of their life cycle. 2018 г.
Below you will find two helpful answers on a similar topic. 👇
Do deer live in groups?How closely related are deer and reindeer?
