What is the Simplest multicellular animal alive today?
Sponges!
All Cnidarians have tentacles, true or false?
True!
Give me one example of a mollusk
squid, octopus, snail, slug
Exoskeleton!
Are Sponges sexual, asexual, or both?
Both!
Cnidarians have radial symmetry. What does Radial symmetry mean?
Their bodies grow and are organized in a circle.
Do bivalves have Gills, or do they absorb oxygen through their skin?
Gills!
protection and keeping all the moisture inside their bodies
what kind of symmetry do worms have?
Bilateral symmetry!
What kind of Mollusk is an octopus?
A Cephalopod!
How do Arthropods grow larger?
Molting their exoskeleton!
Sponges, as adults, are all sessile. What does Sessile mean?
They do not move from the place they attach themselves!
The 3 kinds of worms are segmented worms, flatworms, and roundworms. What kind of worm is NOT parasitic?
Segmented worms!
Tough skin and sharp spines!
Insects have 6 legs, Arachnids have 8 legs, how many legs does a crab have?
10! Another word for an animal with 10 legs is a decapod!
what is a Spicule?
What is the name of the stinging cell on cnidarian tentacles?
Nematocyst!
What does the Latin for 'Echinoderm' mean?
Tooth skin!
Arachnids have a special kind of organ for breathing called what?
Book lungs!