Invertebrate Animal Flashcards
Animals that have spines
Vertebrates
Animals that don’t have spines
Invertebrates
Organisms that eat other organisms
Consumer
A mass of nerve cells
Ganglion
Digestive system
Gut
Body cavity that holds the organs
Coelom
Animal that has equal sides/symmetrical sides
Bilateral Symmetry
Symmetry that is like a star
Radial Symmetry
Something that does not have symmetry
Asymmetry
An Asymmetrical organism that is porous
Sponges
A animal that has radial symmetry (Jellyfish)
Cnidarians
Parasitic organism that is a consumer
Flatworms
Parasitic organism that usually are found in dogs
Roundworms
Animal that have a complex ganglia (Octopus)
Mollusks
Circulatory system in which the blood is not entirely in the vessels
Open Circulatory System
Circulatory system in which blood is pumped evenly through the animal
Closed Circulatory System
A large phylum that comprises the segmented worms, includes animals like earthworms, lugworms, ragworms, and leeches
Annelid worms
Any part of a larger structure, such as the body of an organism
Segment
A hard external structure that supports the organism
Exoskeleton
An eye that is composed of many light detectors
Compound Eye
A feeler that is on top of a head
Antenna
A phase in the life cycle of many animals in which a rapid change of maturity happens
Metamorphosis
An internal skeleton
Endoskeleton
A type of waste and food transprtation
Water Vascular System