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9 Invertebrates

Chapter 9 terms (Berean)

TermDefinition
Ectothermic organism an organism that cannot control its internal body temperature
Hermaphroditic a situation in which a single individual can produce both male and female gametes
Metamorphosis a developmental stage where an immature organism goes through extensive changes in body plan to enter an adult stage
Bilateral symmetry capable of being divided into two halves that are mirror images of each other
Radial symmetry symmetry that arises from a central axis
Open circulatory system a system in which blood is not confined to blood vessels but is pumped into the body cavity to have direct contact with the organs
External fertilization fertilization that occurs outside the parents' bodies
Internal fertilization fertilization that occurs inside one of the parents' bodies
Closed circulatory system a system in which blood is confined to blood vessels
Molting the shedding and replacing of an old outer covering
Compound eye an eye that is made up of many small viewing units, each which produces an image
Simple eye an eye that is made up of one lens which produces one image
Pollinator an animal that carries pollen from one plant to another to aid in fertilization
Created by: BiologyHaupt
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