Invertebrate Vocabulary
Terms
undefined, object
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- appendage
- any structure, such as a leg or antenna, that grows out of an animals body
- metamorphosis
- in insects, a series of chemically-controlled changes in body structure from juvenile to adult
- invertebrate
- animal without a backbone
- molting
- the periodic shedding of an old exoskeleton
- medusa
- cnidarian body form that is umbrella-shaped w/ tentacles
- filter feeding
- method in which food particles are filtered from the water as it passes by or through some part of the organism
- polyp
- cnidarian body form that is tube-shaped w/ mouth surrounded by tentacles
- exoskeleton
- hard covering on the outside of some animals
- endoskeleton
- internal skeleton
- sessile
- organism that is permanently attached to a surface
- open circulatory system
- system where blood moves thru vessels into open spaces around organs
- hermaphrodite
- an animal that can produce both egg and sperm
- closed circulatory system
- system in which blood moves thru the body entirely enclosed in vessels
- symmetry
- arrangement of body structures
- vertebrate
- animal with a backbone