1. What does an Echinodermata perform instead of having a circulatory system?
2. What action does the Platyhelminthes perform as a replacement of the circulatory system.
3. What kind of circulatory system does the Arthropoda have and how does it work?
2. What action does the Platyhelminthes perform as a replacement of the circulatory system.
3. What kind of circulatory system does the Arthropoda have and how does it work?
Annelida, Nematoda, and Mollusca Questions
1. Which phylum does not even have a circulatory system?
2. Which phylum has examples that have more than one heart?
3. What's the difference (circulatory system wise) between the snail's and the clam's/oyster's?
2. Which phylum has examples that have more than one heart?
3. What's the difference (circulatory system wise) between the snail's and the clam's/oyster's?
1) What phylum has the same circulatory system?
2) What is the chordata that has a three chambered heart?
3) What species in Cndaria have no true circulatory system?
Overall:
1. Name each phyla and how their circulatory system works.