Compare the digestive, excretory, and reproductive systems of Porifera, Cnidaria, and Platyhelminthes.,MODULE 6 BIOLOGY

MODULE 6 BIOLOGY

Compare the digestive, excretory, and reproductive systems of Porifera, Cnidaria, and Platyhelminthes.
Each mollusk has a foot, head, visceral mass, and a mantle. Describe the anatomy of a mollusk. Explain how the different systems function. How do the systems differ between some of the classes of mollusks?
Describe in detail the life stages of arthropods. Outline incomplete and full metamorphosis. Which insects undergo a complete metamorphosis? Which undergo incomplete metamorphosis?
How does a starfish move? Describe their hydraulic system of movement in detail.
Explain the digestive, excretory, circulatory, respiratory, and nervous systems of a fish. What organs do they have?
Explain the five characteristics that have helped reptiles adapt to life on land. What about birds? Discuss how birds’ circulatory, respiratory, reproductive, skeletal, and excretory systems support the avian way of life.
What two characteristics do mammals have that differentiate them from all other vertebrates?
Explain the lymphatic and endocrine systems in detail. What do they consist of? What role do they play?
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