The correct answer is Ctenoplana.

Here's why:

1. Diploblastic: This term refers to organisms that develop from two germ layers, the ectoderm and endoderm. Both Hydra and Ctenoplana are diploblastic, while Spongilla and Planeria are not.

2. Radially symmetric: This means the organism can be divided into similar halves by more than two planes passing through the center. Both Hydra and Ctenoplana are radially symmetric.

3. Exclusively marine: This is where the distinction comes in. Hydra is found in freshwater environments, not marine. Ctenoplana, on the other hand, is a type of comb jelly found exclusively in marine environments.

So, based on these characteristics, the correct answer is Ctenoplana.

Question

The correct answer is Ctenoplana.

Here's why:

1. Diploblastic: This term refers to organisms that develop from two germ layers, the ectoderm and endoderm. Both Hydra and Ctenoplana are diploblastic, while Spongilla and Planeria are not.

2. Radially symmetric: This means the organism can be divided into similar halves by more than two planes passing through the center. Both Hydra and Ctenoplana are radially symmetric.

3. Exclusively marine: This is where the distinction comes in. Hydra is found in freshwater environments, not marine. Ctenoplana, on the other hand, is a type of comb jelly found exclusively in marine environments.

So, based on these characteristics, the correct answer is Ctenoplana.

Knowee AI · Accepted Answer

The correct answer is Ctenoplana.

Here's why:

1. Diploblastic: This term refers to organisms that develop from two germ layers, the ectoderm and endoderm. Both Hydra and Ctenoplana are diploblastic, while Spongilla and Planeria are not.

2. Radially symmetric: This means the organism can be divided into similar halves by more than two planes passing through the center. Both Hydra and Ctenoplana are radially symmetric.

3. Exclusively marine: This is where the distinction comes in. Hydra is found in freshwater environments, not marine. Ctenoplana, on the other hand, is a type of comb jelly found exclusively in marine environments.

So, based on these characteristics, the correct answer is Ctenoplana.

Diploblastic, radially symmetric & exclusively marine animal is ? HydraCtenoplanaSpongillaPlaneria

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Diploblastic, radially symmetric & exclusively marine animal is ?

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