Invertebrate Animals Vocabulary Flashcards
Vertebrates
An animal that has a backbone.
Invertebrate
An animal that doesn’t have a backbone.
Consumer
An organism that eats other organisms or organic matter.
Ganglion
A mass of nerve cells.
Gut
The digestive tract.
Coelom
A body cavity that contains the internal organs.
Bilateral Symmetry
When a part of the body mirrors the other side.
Radial Symmetry
It’s body is organized around the center,like spokes on a wheel.
Asymmetry
You can’t draw a straight line to divide it body into two or more equal parts.Its body isn’t organized around a center.
Sponges
An Asymmetrical simple vertebrate with no guts,tissues,or neurons.
Cnidarians
Invertebrate with stingers is classified as - Cnidarians.
Flatworms
Most simple worms with bilateral symmetry.
Roundworms
Bilaterally Symmetric and have simple nervous systems.
Mollusks
Mostly living in the Ocean,these things it into three categories, Gastropods,Bivalves, and the Cephalopods.
Open Circulatory System.
A circulatory system in which the circulatory fluid is not contained entirely within vessels.