What does Echinoderm mean
It means spiny skin
What is a platyhelminthes
A 3 tissue layer creature
True or false: they have the greatest numbers of species
True
They have what type digestive tract
One-way
How do they move
water vascular system
What tyoe Of feature do it come from
Flatworms
Arthropodas have what type of skeleton
exoskeleton
What is one of the animals that are Nematoda
Roundworms and heartworms
What are some types of Echinoderms
Starfish, sea urchins, sea cucumbers, sand dollars, and Brittle stars
What are some examples
Planaria, flukes, tapeworms
What is their symmetry?
They have a bilateral symmetry
True or false : do they have a complex life
True
They have what type of skeleton
internal
What symmetry are platyhelminthes?
They are bilateral
What is their exoskeleton made out of
It’s made out of chitin
How long are roundworms
1 or 2 inches
What type of symmetry do they have
Radial symmetry
What do most of these worms do when they lose their body parts
They regenerate
What are some of the animals that belong to this category.
Spiders, scorpions, lobster, any incests, millipedes, centipede
True or false: are try like parasites
True