Chapter 26 Flashcards
Filter feeding
Food particles filtered from water as it passes through body
External fertilization
Fertilization that occurs outside the animals body
Hermaphrodite
Animal that produces both eggs and sperm
Internal fertilization
Fertilization that occurs inside females body
Gastrovascualar cavity
Cinidarians a large cavity where digestion takes place
Medusa
Cnidarian body form that is umbrella shape with tentacles that hang down
Nematocyst
Cnidarian a capsule that contains a coiled threadlike tube may be sticky or barbed or contain poison used to capture prey
Nerve net
Net like nervous system that cnidarians conduct never impulses from all parts of the cnidarian body
Polyp
Cnidarian body form that is tube like shaped with a mouth surrounded by tentacles
Pharynx
In planarians the tube like muscle organ that extends from the mouth
Proglottid
Section of tape worm contains muscles neves flame cells and reproductive organs
Regeneration
Replacement or regrowth of missing body parts
Scolex
Knob head shape of a tape worm
Trichinosis
Disease caused by a round worm trichinella that can be ingested in raw or uncooked pork or wild game