Which of the following apply to all invertebrates
Heterotrophic, no cell wall, eukaryotic
What phylum are sponges in?
Porifera
Bilateral Symmetry
the property of being divisible into symmetrical halves on either side of a unique plane.
complete digestive tract
continuous digestive tube with a separate mouth and anus
Mollusk
An invertebrate with a soft, unsegmented body; most are protected by a hard outer shell.
Mantle
the layer of tissue that covers most of a mollusks body.
Endoskeleton
An internal skeleton
Tube Feet
Extensions of an echinoderm's water vascular system that stick out from the body and function in movement and obtaining food.
Coelem
fluid-filled body cavity lined with mesoderm
Flatworm
A member of the phylum Platyhelminthes.
Polyp
The sessile, tubular form of a cnidarian with a mouth and tentacles at one end and a basal disk at the other
Cnidocytes
Special stinging structures on cnidarians that look like small harpoons.
radial symmetry
Symmetry about a central axis.
Sessile
Describes an organism that remains attached to a surface for its entire life and does not move
vertebrate
An animal with a backbone
invertabrate
An animal without a backbone