animal kingdom Flashcards
vertabrates
a vertabrate is an animal that has a backbone.
invertebrates
an animal with no backbone
consumer
an organisms that eats either organisms or organic matter
ganglion
a mass of nerve cells
gut
a digestive track
coelom
body cavity that contains internal organs.
bilateral symmetry
the 2 sides of its body mirror eachother
radial symetry
body is organised around the center like the spikes of a wheel.
asymetry
its body is not organised around the center
sponges
they are the simplest invertabrates they are asmetrical have no tissues and no gut or neurons.
cnidarians
vertebrates that have stinging cells
flatworms
type of worm to tiny to see without a microscope.
roundworms
have bodies that are long and slim like spagehetti and have bilateral symetry
mollusks
fit into tree classes, gastropods bivalves, and cephhalopods
open circulatory system
a system in whitch the circulartory fluid is not contained entierly within vessles
closed circulatory system
a system in whitch the heart circulates blood threw a network of blood vessles that form a closed loop.
annelids worms
often called segmented worms because there bodies have segments
exoskeleton
a hard external supporting structure
compound eye
an eye composed of many light detectors
antenna
a feeler that is on the head of an crustacean or an insect that senses touch ,taste and smell
metamorphisis
a phase in the life cycle of many animals during whitch rapid change from the immature form of an organnism to the adult form takes place
endoskeleton
an internal skeleton
water vascular system
