The phylum in which sea stars belong
What is Phylum Echinodermata?
name of animals in this class
What is Ray-Finned fish?
term for consuming other organisms to obtain nutrients
What is Heterotrophic?
the three domains
What is domain Archaea, Bacteria, and Eukarya?
animals in this phylum are called this
What is Flatworms?
Class in which sea stars belong
What is class Asteroidea?
covers their gills
What is the operculum?
contains the internal organs
What is visceral mass?
number of kingdoms in domain Eukarya
What is four?
the type of symmetry they have
What is bilateral symmetry?
The type of symmetry in a sea star
What is Radial Symmetry?
type of heart
What is a Two chambered heart?
tongue-like structure covered with teeth
What is a Radula?
animals belong to this kingdom
What is kingdom Animalia?
term for a clear "head" with sensory organs
What is cephalization?
Number of radial canals in a sea star
What is five?
term for their body temperature that changes depending on environment
What is Ectothermic?
type of circulatory systam
What is an open circulatory system?
mushrooms belong to this kingdom
What is Kingdom Fungi?
the three tissue layers they have
What is Ectoderm, Mesoderm, and Endoderm?
The circulatory medium in a sea star's vascular system
What is Water?
gas-filled sac used to maintain and control buoyancy
What is a swim bladder?
a cavity in the visceral mass in which heart pumps hemolymph through the posterior aorta
What is the Hemocoel?
more fancy term for multiple cells
What is Multicellular?
number of body systems they have
What is four?