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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Define Invetebrates
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Animals with no backbone
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*Without Backbone
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Vertebrate
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Animals with a backbone
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*Has backbone
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Parasite
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A type of symbotic relationship in which 2 species live in close association with each other.
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*Live in close assoc.
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Host
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Lives within or an another organism
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*Another organism
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Blastula
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Zygote unfergoes a series of divisions.
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*Series of divvisions
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Protostone
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an animal whose mouth is formed frin blastopore
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*Mouth formed from blastopore
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Deuterotome
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Animal whose anus is formed from blastopore
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*Anus formed from blastopore
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Anus
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Is an opening which wastes is formed from blastpore
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*Wastes formed from blastopore
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Endosperm
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Innermost germ area
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*inner most
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Mesoderm
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Middle layer
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*Middle
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Ectoderm
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Outermost area
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Radial symmetry
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Any number of imaginery planes can be drawn through the center
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Bilateral Symmetry
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Only a single imaginery plane can divide the body into 2 equal halves
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Cephalization
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The concetration of sense organs & nerves cells at anterior
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Choanocytes
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Specialized cells at anterior
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Spiale
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Spike-shaped structure made of chalklike calcium carbs,
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Archeocyte
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Specialized fellz that move around within walls of the sponge
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Internal Fertilization
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Eggs are fertilized inside the sponges body
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Larva
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immature stage of an organism that looks different from the adult form
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Gemmules
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Groups of archaeocytes surrounded by a tough layer of spiclules
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Cnidarians
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Soft bodied, carnivorous animals that have stinging tentacles.
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Hematocyst
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Polished filled, stinging structure that contains a tightly coiled dart.
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Medusa
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Has a motile
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Hydrostic Skeleton
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Consists of a layer of circular muscles
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External fertilization
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Takes place outside females body.
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