Invertebate animal vocab Flashcards
Vertebates
A Verebates is an animal that has a backbone.
invertebate
an animal that does not 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.
Biateral
The two sides of its body mirror each other It has equal right and left sides most complex animals are squirrel.
Radial
body is organized around the center, like the spokes of a wheel EX. sea star.
Asymmetry
Its body is not organized around a center. Most simple animals ex. sponge
Sponges
sponges, the members of the pylum porifefa, are a basal metazoa clade as a sister of the Diploblasts.
cnidarians
cnidarians are more complex than sponges. Cnidarians have complex tissues and a gut for digesting food.
Flatworms
All flatworms have bilateral symmetry. Many flatworms also have a clearly denfined head and two large eyesspots.
roundworms
roundworms have bodies that are long, slim and round like spaghetti like other worms they have bilateral symmetry.
Mollusks
snails,slugs,clams,oysters,squids, and octopuses are all molusks most of these animals live in the ocean but some live in fresh water and some live on land.
open circulatory system
a circulatory system in which the circulatory fluid is not comtained entirely within vessels.