kingdom Flashcards
Vertebrates
an animal that has a backbone
consumer
an organism that eats other organisms or organic matter
invertebrates
an animal that does not have a backbone
Ganglion
a mass of nerve cells
Gut
the digestive track
coelom
a body cavity that contains the internal organ
Open circulatory system
a circulatory system that in which the circulatory fluid is not contained entirely within vessels
closed circulatory system
a circulatory system in which the heart circulates blood through a network of blood vessels that form a closed loop
exoskeleton
a hard external supporting structure
compound eye
an eye composed of many light detection
antenna
a feeler that is on the head of an invertebrate such as a crustacean or an insect that senses touch taste or smell
metamorphism
a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place
endoskeleton
an internal skeleton made of bone or cartilage
water vascular system
a system of canals filled with water fluid that circulates throughout the body of an echinoderm
Bilateral Symmetry
the two sides of its body mirror each other it has equal left and right side most complex animals
Radial Symmetry
body is organized around the center like the spokes of a wheel
Annelid worms
possession of a body cavity or coelom movable bristles or setae
antenna
one of a pair of slender, movable, segmented sensory organs on the head of insects, myriapods, and crustaceans
Metamorphosis
striking change of form or structure in an individual after hatching or birth.
Roundworms
any worm of the phylum Nematoda
flatworms
a group of soft-bodied, usually much flattened invertebrates
Cnidarians
invertebrate animals that have a hollow digestive cavity opening to the outside
Mollusks
enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.
