#4 – Sponges
via www.ryanphotographic.com complain
These animals don't have neither internal organs or muscles, nor a nervous and circulatory system. The most incredible thing about sponges is their ability to survive for thousands of years. 10,000 years old species of sponges were found in Antarctica by marine scientists.
#macaw , #parrot , #tuatara , #sturgeons , #lobsters , #tube_worms , #sea_urchins , #bowhead_whales , #koi_fish , #tortoises , #freshwater_pearl_mussel , #old_tjikko , #sponges , #hydra , #hydrae , #pando_trees , #The_Immortal_Jellyfish
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