Sponges are multicellular organisms that belong to the phylum Porifera. Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

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Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

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Students have asked these similar questions

Which of the following combinations of phylum anddescription is incorrect?(A) Echinodermata—bilateral symmetry as a larva, coelomate(B) Nematoda—roundworms, pseudocoelomate(C) Platyhelminthes—flatworms, gastrovascular cavity,acoelomate(D) Porifera—gastrovascular cavity, coelomate

Which of the following statements is true? --Sea stars are dioecious possess dermal branchiae and they have two stomachs --Actinoptergians are fleshy/lobe finned with cycloid scales and a swim bladder --Ophiuroidea have bilateral larvae, and Aristotle's lantern and five arms --Sand dollars are echinoderms with long spines, gills, and pentaradial larvae --Sharks have an operculum, cosmoid scales and eyelids

Closest to Chordata 1. Echinodermata2. Platyhelminthes3. Annelida4. Porifera5. Chordata6. Arthropoda7. Nematods8. Cnidaria9. Mollusca

Answer 2

Question

Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Expert Solution & Answer

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Answer 3

Question

Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

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Answer 4

Question

Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

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Answer 5

Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Answer 6

Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Answer 7

Chapter 33, Problem 4TYU

Summary Introduction

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 33.1 - Prob. 1CC Ch. 33.1 - Prob. 2CC Ch. 33.2 - Compare and contrast the polyp and medusa forms of...Ch. 33.2 - Prob. 2CC Ch. 33.2 - MAKE CONNECTIONS Many new animal body plans...Ch. 33.3 - Prob. 1CC Ch. 33.3 - Prob. 2CC Ch. 33.3 - MAKE CONNECTIONS Explain how the molluscan foot...Ch. 33.4 - Prob. 1CC Ch. 33.4 - Describe two adaptations that have enabled insects...

Sponges are multicellular organisms that belong to the phylum Porifera. Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Solution Summary: The author explains that Sponges are multicellular organisms that belong to the phylum Porifera. Their body lacks true tissue and organs.

Concept explainers

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

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Chapter 33 Solutions

Sponges are multicellular organisms that belong to the phylum Porifera. Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Solution Summary: The author explains that Sponges are multicellular organisms that belong to the phylum Porifera. Their body lacks true tissue and organs.

Concept explainers

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera. Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.

Want to see the full answer?

Chapter 33 Solutions

Introduction: Sponges are multicellular organisms that belong to the phylum Porifera.

Their body lack true tissue and organs. The complete digestive, nervous and the circulatory system is absent in them. Organisms belonging to the phylum Porifera are generally acoelomates.