Platyhelminthes- phylum consisting of acoelomate flatworms such as tapeworms, flukes, and planarians
Flatworm- simple animal with bilateral symmetry belonging to the phylum Platyhelminthes
Nematoda- phylum consisting roundworms
Roundworm- pseudocoelomate animal with a digestive system with two openings that belongs to the phylum Nematoda
Pharynx- muscular tubelike structure located at the back of the mouth that connects the mouth with the rest of the digestive tract
Flame Cells- structures that freshwater flatworms use to get rid of extra water
Ocelli- eyespots, or light sensitive organs
Scolex- the head of a tapeworm that attaches to the intestinal wall of the host
Carnivore- meat-eater
Scavenger- animal that consumes already dead organic life-forms. Scavengers are useful to the ecosystem by breaking down dead animal and plant remains
Hermaphrodite- an organism that possesses both male and female sex organs during its life
Schistosoma- A genus of trematodes, commonly known as blood-flukes
Proglottids- successive units posterior to the scolex. The sum of the proglottids is called a strobila, which is thin, resembling a strip of tape
Cyst- a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body (refer to a tapeworm’s stage of its lifecycle in a host’s muscles)
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