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Adult annelids have symmetry similar to ...

Adult annelids have symmetry similar to that of

A

Adult coelenterate

B

Most of sponges

C

Adult echinodermates

D

Chordates

Text Solution

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The correct Answer is:
To solve the question regarding the symmetry of adult annelids, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Annelids**: - Annelids are a group of segmented worms, which include earthworms and leeches. - They exhibit a specific type of body symmetry. 2. **Identifying the Symmetry of Annelids**: - Adult annelids possess **bilateral symmetry**. This means that their body can be divided into two equal halves along a single plane, typically down the middle. 3. **Analyzing the Options**: - **Option 1: Adult Cnidarians**: Cnidarians, such as jellyfish and corals, exhibit **radial symmetry**, which is different from bilateral symmetry. - **Option 2: Most Sponges**: Sponges are known for being **asymmetrical**, meaning they lack any definite symmetry. - **Option 3: Adult Echinoderms**: Echinoderms, like starfish, have **pentaradial symmetry** as adults, which is also not bilateral. - **Option 4: Chordates**: Chordates, which include vertebrates like mammals, birds, and fish, also exhibit **bilateral symmetry**. 4. **Conclusion**: - Since adult annelids have bilateral symmetry, the correct answer is **Option 4: Chordates**, as they share the same type of symmetry. ### Final Answer: The symmetry of adult annelids is similar to that of **Chordates**. ---
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