If an organism can be divided across many lines of it's body
radial symmetry
examples of this group
What are octopus, clams, snails, squid
meaning of Arthropoda
What is jointed legs?
examples of this phylum
sponges
Meaning of echinoderm
What is "spiny skin"?
When there is a head and tail end to the organism.
cephalization
This unique body part makes the shell for mollusks.
What is the mantle?
This type of arthropoda has 3 segments and antennae
What are insects?
How they eat?
filter feeder
Give 2 examples of echinoderms:
What are starfish, sea urchins, sand dollars, sea cucumbers, brittle stars?
An animal that lacks a backbone.
What is invertebrate?
This toothed tongue is used to scrape algae or drill holes through shell of prey
What is a radula?
This group of arthropoda has 2 segments and 8 legs
what are arachnids?
Type of symmetry
no symmetry
Unique feature that helps them move.
What is water vascular system?
means the organism does not move
what is sessile?
The meaning of mollusca
What is "soft body"?
has 2 pair of legs per segment and is an herbivore
what is a millipede?
How water moves through Porifera
in the side out the top
Symmetry of this phyla.
What is radial symmetry?
the outer skeleton of arthropods, made of chitin
what is exoskeleton?
the fleshy part of the snail
what is the foot?
this group of arthropods has 10 legs and many are found in water (ex. crayfish, lobster, shrimp)
what is crustaceans?
the opening at the top of the sponge
osculum
meaning of echinoderm
what is spiny skin?