Animal Kingdom 2023-24: Phylum Coelenterata Quiz

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Which phylum do animals like Sycon, Spongilla, and Euspongia belong to?

Annelida

Platyhelminthes

Cnidaria

Porifera (correct)

How do sponges reproduce?

Both sexual and asexual reproduction (correct)

Through spores

Asexual reproduction only

Sexual reproduction only

Which of the following is a characteristic of cnidarians?

Radial symmetry (correct)

Diploblastic organization

Presence of exoskeleton

Bilateral symmetry

What is the primary characteristic of animals in the phylum Cnidaria?

Radially symmetry Signup and view all the answers

In cnidarians, what type of development occurs after fertilization?

Indirect development with larval stages Signup and view all the answers

What is the function of cnidoblasts or cnidocytes in Cnidarians?

Defense and prey capture Signup and view all the answers

What is the body form of most cnidarians?

Cylindrical body Signup and view all the answers

In Cnidarians, what is the mechanism by which polyps produce medusae?

Asexually Signup and view all the answers

Which body form in Cnidarians is sessile and cylindrical?

Polyp Signup and view all the answers

How do cnidarians primarily obtain nutrients?

Directly through their body surface Signup and view all the answers

What is the primary difference between the body forms of polyp and medusa in Cnidarians?

Method of locomotion Signup and view all the answers

What is the mode of reproduction in ctenophores?

Sexual reproduction with separate sexes Signup and view all the answers

What is the level of organization in Porifera?

Cellular Signup and view all the answers

Which phylum exhibits radial symmetry and a tissue level of organization?

Ctenophora Signup and view all the answers

In Cnidaria (Coelenterata), what type of symmetry is predominant?

Radial symmetry Signup and view all the answers

How do sponges reproduce?

Asexual reproduction by budding Signup and view all the answers

What is a characteristic body form in Cnidarians?

Worm-shaped with proboscis and trunk Signup and view all the answers

Which phylum in the animal kingdom exhibits a cellular level of organization but lacks symmetry and segmentation?

Porifera Signup and view all the answers

Animal Kingdom 2023-24: Phylum Coelenterata Quiz

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Questions and Answers

Which phylum do animals like Sycon, Spongilla, and Euspongia belong to?

How do sponges reproduce?

Which of the following is a characteristic of cnidarians?

What is the primary characteristic of animals in the phylum Cnidaria?

In cnidarians, what type of development occurs after fertilization?

What is the function of cnidoblasts or cnidocytes in Cnidarians?

What is the body form of most cnidarians?

In Cnidarians, what is the mechanism by which polyps produce medusae?

Which body form in Cnidarians is sessile and cylindrical?

How do cnidarians primarily obtain nutrients?

What is the primary difference between the body forms of polyp and medusa in Cnidarians?

What is the mode of reproduction in ctenophores?

What is the level of organization in Porifera?

Which phylum exhibits radial symmetry and a tissue level of organization?

In Cnidaria (Coelenterata), what type of symmetry is predominant?

How do sponges reproduce?

What is a characteristic body form in Cnidarians?

Which phylum in the animal kingdom exhibits a cellular level of organization but lacks symmetry and segmentation?

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