Invertebrate Crossword

Organisms that do not contain a backbone
The Phylum that have an Exoskeleton, Segmented Body, and Paired jointed Appendages
the young/new born insects end up looking the exact same as the adult just a smaller version
The young organisms completely change shape as adults
Organisms that have male and female reproductive organs in separate individuals
an Organism that has both male and female sex organs
the name of the tiny teeth Mollusks have to help them remove algae
Organisms that contain a coelom
animals that have 3 germ layers
the innermost layer of an embryo in early development
the outermost layer of cells or tissue of an embryo in early development
the middle layer where embryos form
Organisms that do not have coelom.
What phylum has Bilaterally symmetrical, surrounded by a cuticle
Organisms that contain pseudocoel which is the body cavity of the phylum Nematoda
the body plan which forms are motile, with the mouth and tentacles hanging down from an umbrella-shaped bell
The body plan which are sessile which means they lack the means of self-locomotion and they have a single opening to the digestive system (the mouth) facing up with tentacles surrounding it
phylum that includes starfish, sea cucumber, sea urchins, blastoid
what phylum was the very first phylum