The cnidarian sea anemone does not have a brain. It has a nervous system, its body has a well-defined axis, with a mouth on one side and a basal disk on the other. at the beginning of its life cycle, sea anemones exist as free-swimming planulas that attach to the surface and become sea anemones. 19th. 2013г.
Are sea anemones intelligent?
Friendly cnidarian "Personality" is one of the words that means different people, such as "intelligence" and "consciousness". .. Sea anemones are cnidarians such as jellyfish and corals, and unlike most later evolved species, they do not have a separate brain. 2011
Are sea anemones immortal?
Sea anemones are soft-bodied animals that attach to shallow rocks and coral reefs. .. "As far as we know, these are immortal animals. They have lived for a very long time. They are recorded to have lived for 100 years. They have no old age.
Sea anemones have a heart.
& gt;Sea anemones are not complex animals like fish and humans. These worms represent a stage of evolution long before the three germ layers differentiate. , Since there are no heart cells or muscle cells, these small creatures pulsate.
Do sea anemones have a nervous system?
Sea anemones, hydra, jellyfish Includes, all of which have a glia-free nervous system.
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