Sponge identity card. How are sponges characterized according to example of representing beings, basic morphology, type of symmetry, embryonic (germ) layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Sponge identity card. How are sponges characterized according to example of representing beings, basic morphology, type of symmetry, embryonic (germ) layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?
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Example of representing beings: sponges. Basic morphology: tubular or globular body with spongocoel, sessile; choanocytes, pinacocytes and amoebocytes. Type of symmetry: not established. Germ layers and coelom: do not apply since poriferans do not have true tissue organization. Digestive system: nonexistent. Respiratory system: nonexistent. Circulatory system: nonexistent. Excretory system: nonexistent. Nervous system: nonexistent. Types of reproduction: asexual and sexual with larval stage. Cnidarians - Questions and Answers
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What are the three types of germ layers that form tissues and organs in animals ?

Description : What are the three types of germ layers that form tissues and organs in animals ?

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Jaundice is a disorder of (a) excretory system (b) skin and eyes (c) digestive system (d) circulatoy system.

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Last Answer : ANSWER: A -- ECTODERM