symbiosis
what is symbiosis?
When 2 organisms have a relationship with one another.
Invertebrates
Do they have organs?
No
what does anthropod mean?
jointed foot
What is Mutualism?
When 2 or more of the organisms benefit.
What does mantle mean?
body
What are nematocysts?
Stinging cells
What is molting?
When the exoskeleton is shed in order for the animal to grow.
what is commensalism?
When 1 organism benefits while the other one isn't helped\harmed.
How many shells does the bivalve contain?
2
How many cell layers do they have?
3
What do the gills do?
They help with Breathing oxygen from the water?
what is parasitism?
When 1 organism benefits while the other one gets harmed
What is a cephalopod?
When the head and foot are completely merged.
what shape is a medusa?
It is bell shaped
What is a Crustacea?
a crust or shell
what example of symbiosis is Hermit crabs and shells?
It is commensalism because the hermit crabs get protection and shells get nothing.
true or false: mollusks don't contain organs
False
What are the 4 classes of cnidarians?
Anthozoa,Scyphozoa,Cubozoa and Hydrozoa.
What are mandibles used for?
Biting and holding food.