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What else can I help you with?
Which system is more advanced in cnidarians than in porifera?
The nervous system. Cnidarians have a neural net, but porifera do not.
How are cnidarians less complex than annelids or mollusks?
Cnidarians include jellyfish and corals. Cnidarians are less complex than annelids or mollusks because the latter have gills with many layers of tissue.
What are the three major classes of cnidarians?
Jellyfish and Coral and sea anemones
Why fish have better immune system than jellyfish?
Probably because fish are more advanced biologically.
Is a jellyfish more complex then an earthworm?
No a worm is more complex than a jellyfish
How are squids and jellyfish different?
Jellyfish have Radical Symmetry and Cnidaria (Latin for "stinging cells") Also, they have two cell layers that are organized into tissue. Cnidaioans hace digestive,muscle,nerve, and sensory tissue. The Cnidarian body is a hollow sack with only ONE body opening (a mouth). It is surrounded by rope-like pieces of tissue called tentacles (arms). These tentacles may contain stinging cells. Hope that helps.
What did the romans have that barbarians didn't have?
The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.The Romans ad a more advanced civilization than the barbarians.
Do sponges have stinging cells?
No, sponges do not have stinging cells like those found in cnidarians (e.g., jellyfish and sea anemones). Sponges are filter feeders that rely on water flow to capture food particles, rather than using stinging cells for prey capture.
What is the wight of a jellyfish?
The weight of a jellyfish will vary depending on the species of jellyfish. They can either weigh a few milligrams to more than 200 kilograms (440 pounds).
What is an additional or advanced subjects?
additional= more than required advanced= more harder than regular
Is it true that more people are killed by jellyfish than sharks?
It depends on the place they are. In some oceans there may be more shark attacks then jellyfish stings.
How were civilization more advanced than city-states?
They were more advanced because they had more medical people and were much more advanced in technology.
