Cnidaria - coral and jellyfish - radial symmetry - aquatic habitat - no coelom - incomplete digestive system - no circulatory system (diffusion) - simple nervous system - simple muscular system - complex reproductive system - hydrostatic skeleton - simple respiratory system - special stinging cells (nematocysts)
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Sea and sunset
Looking straight down as the wave crashes into the sand, the sand swirling underneath making it's own pattern of shades of the ocean.
snorkeling Maui "This is what I remember most about snorkling in Hawaii only there were far more fish than these."
I have to admit, this isn't the picturesque types which you could consider a real photograph but the vivid colors are just striking.
Gigantes marinos, pero no tan monstruosos | Ciencia | EL PAÍS
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No horizonte, eu vejo o quanto eu tenho que agradecer a Deus, pelas infinitas alegrias que Ele me deu e pelas inúmeras formas de amor que Ele me mostrou pelo caminho. Assim, de maneira tão simples, Deus mostra o que é essencial, e o que vale a pena. (Sabrina Braga )