![]() chromoatophores Oxygen and food are taken in through a clam's _ _. camoflauge The pigmented cells that enable it to do this are the _. mantle An animal uses _ to match its surroundings. ? Saclike digestive tract The benefits of living arrangement between the coral polyps and the tiny algae within them is known as? symboliosis Corals and jellyfish are classified together mainly because they? having stinging tentacles A membrane called the _ lines the inside of bivalve shells. hydroid Inside each stinging cell of an anemone is a coiled thread with a barb, at the end called? nematocyst A jellyfish response to an external stimuli through use of it its? nerve net Corals and jellyfish are classified together mainly because they? they have stinging tentacles The large reef building corals grow only in tropical waters because of warm temperatures and? plentiful sunlight Which of the following organisms with tentacles is least related to the others? octopus The cnidarians are characterized by the presence of stinging tentacles and. ![]() zooxthanellae The Portugues man-o-war is a dangerous colonial _. polyp The name for the algae that live inside coaral polyps is _. ![]() cnidoblast An adult sea anemone lives as an attached _. medusa The stinging cells inside tentacles are _. ![]() Cila and flagella are mainly used by protozoans for locomotion Protozoans are classified into three groups based on their being either ameboid, ciliated, or flagellated The inability of a sponge to make rapid, reflex movements is due to its lack of nervous system Water and wastes exit a sponge's body through its osculum A jellyfish's umbrella shaped structure is the _.
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