Porifera
What type of way do sponges eat?
Filter feeding
Spiny skin means…
Echinoderm
What does Mollusca mean?
Soft
_____ are the largest phylum of the animal kingdom
Arthropods
True or False: Sponges have tissue and/or organs
False; they have no tissues and no organs
What kind of skeleton does an Echinoderm have?
An internal skeleton
What holds the organs in a type of Mollusca?
Visceralmus
Exoskeletons are made of?
Chitin
How do sponges digest?
They digest through intracellular digestion (within cells)
A type of system used for movement for Echinoderms
Water vascular system
What do most Mollusca have for shredding food?
Radula
Centipedes have how many pairs of legs per segment?
1 pair per segment
Does Porifera ONLY reproduce asexually?
No, Porifera reproduce asexually AND sexually.
Which of the following are Echinoderms?
-Water spider
-Sea cucumber
-Crayfish
Sea cucumber
True or false: Torsion occurs only in gastropods.
True
True or false: All arthropods are carnivorous
False
What mutualistic relationship does Porifera have with something?
Photosynthetic algae
Echinoderms have _____ symmetry.
radial
What is torsion?
The twisting of body parts during larval development
Arthropods have jointed appendages so they can do what?
Move better