Question

What level of organization do Porifera, Cnidaria, Platyhelminthes, and Rotifera have? What type of symmetry do Porifera, Cnidaria, Platyhelminthes, and Rotifera have? How does the level of organization an animal has affect its ability to grow to a large size? (In other words, can animals with lower levels of organization get really big?) When do we see the evolution of organs? (What phylum?) When do we see the evolution of bilateral symmetry? (What phylum?) What does dioecious mean? What is the opposite of dioecious? What is a coelom? Is a pseudocoelom the same thing?

          What level of organization do Porifera, Cnidaria, Platyhelminthes, and Rotifera have?
What type of symmetry do Porifera, Cnidaria, Platyhelminthes, and Rotifera have?
How does the level of organization an animal has affect its ability to grow to a large size? (In other words, can animals with lower levels of organization get really big?)
When do we see the evolution of organs? (What phylum?)
When do we see the evolution of bilateral symmetry? (What phylum?)
What does dioecious mean? What is the opposite of dioecious?
What is a coelom? Is a pseudocoelom the same thing?

Added by Kathleen A.

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