Although cnidarians show variability in cleavage patterns and modes of gastrulation, they have the following characteristics in common: the eggs have a clear animal-vegetal polarity and the animal pole becomes the oral part6. Compared with these cnidarian model animals, information on hard corals in...
The intertidal zone is home to many species of animals and plants. Many of the animals are invertebrates (animals without a spine), which comprise a wide group of organisms. Some examples of invertebrates found in tide pools are crabs, urchins,sea stars, sea anemones, barnacles,snails, mussel...