invertabrate Flashcards
vertebrates
an animal that has a backbone
invertebrates
an animal that doesn’t have a backbone
ganglion
a mass of nerve bones
gut
the digestive tract
coelom
a body cavity that contains the internal organs
open circulatory system
a circular system in which the circulatory fluid is not contained entirely within vessels
closed circulatory system
a circulartory system in which the heart circulates blood through a network of lood vesssels that form a closed loop
consumer
an organism that eats other organisms
exoskelotena
hard external,supporting structure
compound
an eye composed of many light detectors
antenna
a feeler that is on the head of an invertibrate
metamorphosis
a phasse in the life cycle
endoskeloten
an iternal skeleton made of bone and cartlidge
water vascular system
a system of canals filled with watery fluids
bylatteral symetry
being divisable
Radial Symmetry
around a cenetral axis
Asymmetry
lack of equality
phylum Porifera
Sponges
Cnidarians
aquatic animal
Flatworms
Platyhelminthes phylum
Roundworms
nematodes and phylum
Mollusks
invertebrate of a large phylum
