0
Flatowrms have muscle cells, they are a triploblastic phylum. They have endo, meso and ectoderm layers
Sponges are Parazoa and lack any true tissue at all
Cnidaria are diploblastic, having only endoderm and ectoderm
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoTwo characteristics of flatworms that make them different from cnidarians are that flatworms have a more advanced digestive system and they are flat so they can absorb oxygen faster. Cnidaria has their digestion in the gastrovascular cavity while flatworms have enzymes digest food outside of their bodies.
Add your answer:
Earn +20 pts
Of sponges cnidarians flatworms and roundworms which are most complex?
No clue, but here is a hint, look in the book!
Are coral jellyfish or sponges cnidarians?
Corals and Jellyfish are cnidarians, sponges are not.
What are the main characteristics of sponges cnidarians and worms?
Sponges are invertebrate animals that usually have no body symmetry and never have tissues or organs. Cnidarians use stinging cells to capture food and defend themselves. Flatworms are flat and as soft as jelly. Unlike cnidarians or flatworms, roundworms have a digestive system that is like a tube, open at both ends. Earthworms and other segmented worms have bodies made up of many linked sections called segments.
What makes hydras different from other cnidarians?
cnidarians move from place to place. sponges dont.
Are cnidarians arthropods?
Cnidarians and Sponges are invertebrates
Do sponges or cnidarians have a gastovascular cavity?
No, they are from the Phylum Porifera.
Are sponges cnidarians?
No. Sponges have their own phylum called Porifera.
Do sponges have stinging cells?
No, most cnidarians have stinging cells, not sponges.
Which invertebrate animals have bodies shaped like a sack with openings at the top - sponges or cnidarians?
Cnidarians.
What characteristic is shared by cnidarians and flatworms?
a digestive system with a single opening
Are scorpions annelids flatworms mollusks arthropods cnidarians or echinoderm?
a scorpion is a Arthropods
What evolved first cnidarians or echinoderms?
I believe Echinoderms evolved first.
