Just Animal Things
I am a type of mollusk that has a well developed brain and a closed circulatory system.
What is Cephalopod?
I am the simplest invertebrate with specialized cells and no tissues or organs.
What is Porifera?
The notochord, hollow nerve cord, tail, and pharyngeal pouches are all present during this stage of development.
What is the embryotic stage?
I am the phylum of Sponges.
What is Porifera?
Sponges and jelly fish.
What is an Acoelomate?
I am the simplest animal with no tissues or organs.
What is a Sponge?
I am radially symmetric, have no circulatory system, and a simple nerve net.
What is Cnidaria?
Not all chordates have this.
What is a spinal cord?
I am the phyla that contains all vertebrates.
What is Chordata?
Crustaceans and insects.
I am a cnidaria that looks like an upside down bowl.
What is a medusa? (or name an example)
I am a radially symmetric coelomate with a water vascular sustem.
What is Echinodermata?
I am the vertebrate with the highest population.
What is fish?
I am the phyla that contains earthworms and leeches.
What is Annelida?
Roundworms.
What is a Pseudocoelomate?
This is barbed, poisoned spears found in special stinging cells.
What is Nematocycts?
I am a bilaterally symmetric coelomate with jointed appendages.
What is Arthropoda?
This is how most adult amphibians breathe.
What is through their lungs and skin?
I am the Phyla that contains tape worms and planarians.
What is Platyhelminthes?
Tapeworms.
What is Acoelomates?
I am where most animals digest food.
What is a gut?
I am a mollusk that two shells, an open circulatory system, and no brain.
What is a bivalve?
This is how most marine animals reproduce.
What is external fertilization?
I am the phyla with jelly fish, coral, sea anemones, and hydra.
What is Cnidaria?
Squids, Sea Stars, and Earthworms.
What is Coelomate?