Nine Largest Phylum Crossword

Found in arthropods cover the outside of the body but limits size.
Have a backbone or spine
Do not have backbone
Arrangement of body parts around a central plane or axis
Occurs when the body can't be divided into similar sections
Occurs when similar body parts are arranged around a central point like spokes on a wheel
Occurs when animals can be divided into equal halves along a single plane
Fertilized egg all animals form from
Central cavity of the blastula
Cup-shaped structure with two germ layers
Deep cavity of the gastrula that forms the primitive gut
Inner germ layer
Outer germ layer
Germ layer in the middle
Larva of Cnidarians
Larva of Mollusks
Larva of Echinoderms
Internal body cavity lined with mesoderm
Animals with a coelom
Animals that do not have a body cavity but have solid bodies
Body cavity only partially lined with mesoderm
Cnidarians have one body opening into a large cavity called
Opening in the gastrula formed when blastula folds inward
Mouth forms first
Anus forms first
Consists of a fluid filled body cavity surrounded by muscles
Have external exoskeleton that prevents water loss
All animals are
Sponges have specialized
Animals that produce both sperm and eggs