Animal Attributes
Name three of the six characteristics of animals
Nutrition, Respiration, Circulation, Movement, Support, Reproduction
How do sponges eat?
Filter feeders, they trap food particles when they are filtered through their pores
The nervous system is made up of two bundles of nerve cells called?
Ganglia
Most aquatic mollusks' larva become part of what community
Plankton
Radially Symmetric animals with "spiny skin"
Echinoderms
What are the functions of the three germ layers?Endoderm, Mesoderm, Ectoderm
Endoderm (Inner) - forms digestive tract
Mesoderm (middle) - forms muscles and circulatory system
Ectoderm (outer) - forms outer coverings & related systems
The tubes of a sponge are supported by spikey, stiff, needlelike structures called what?
Spicules
What are the three major groups of worms, give an example of each.
Roundworms, Ascaris
Flatworms, tapeworms, flukes, planarians
Segmented, earthworm, leeches, clam worms
The scratchy tongue-like organ of a mollusk
Radula
Ossicles
The embryos of animals that develop outside the mother's body are called
Oviparous
Name two organisms that live symbiotically to form reefs
Coral & algae
This class mollusks usually have a shell and move around on one muscular foot and are both in water and on land.
Gastropod
Circulating nutrients, enabling movement, feeding, and breathing are functions of what in an echinoderm?
Water vascular system
Animals that regulate their body temperature through internal mechanisms
Endothermic
Name the two forms that Cnidarians exist in
Medusa and Polyp
A body cavity that is found in a segmented worm
Coelom
A clam is an example of this class of Mollusk that have two hinged shells
Bivalve
The sieve-like structure that opens the water canal system in an echinoderm's watery environment
Madreporite
The concentration of sensory and never cells at one end of an animal is called?
Cephalization
A cnidarians stinging cells that are triggered by touch and hold tubes attached to a barb that discharges toxin.
Cnidocyte
The cavity found in roundworms
Pseudocoelom
Animals in this mollusk class have a closed circulatory system and can be highly intelligent
Cephalopod
How do echinoderms most often reproduce?
Reproduce sexually by external fertilization