Animalia Crossword

lacks cell walls and comes in a variety of shapes
found in arthropods, covers the outside of the body, limits size
found in all vertebrates, inside their bodies, made of cartilage or bone
which phylum has the simplest skeletons
attached and non-moving
able to move around
provides energy for movement
a head with sensory organs concentrated there
contains the greatest number of animal species
most have backbones
belly or lower surface
arrangement of body parts around a central plane or axis
occurs when the body cant be divided into smaller sections
fertilized egg
inner germ layer
outer germ layer
third germ layer
forms mouth first
forms anus first
larva of cnidarians
larva of a mollusca
larva of echinoderms
internal body cavity lined with mesoderm
no body cavity but have solid bodies are
body cavity only partially lined with mesoderm
opening in the gastrula formed when blastula folds in
fluid-filled body cavity surrounded by muscles
all animals are
cluster of nerve cells
asexual reproduction in which an outgrowth on the parent organism breaks off to form a new individual