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What is true of Neoceratodus? (a) It ...

What is true of Neoceratodus?
(a) It is a crosspterygian fish
(b) It is found in river chuturnnac
(c) It does not exhibit aestivation
(d) It is a ureotelic animal.

A

a and b

B

b and d

C

a and c

D

a and d

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding Neoceratodus, we need to evaluate each of the provided options based on the characteristics of this organism. ### Step-by-Step Solution: 1. **Identify the Classification of Neoceratodus**: - Neoceratodus is classified as a lungfish, which belongs to the class Dipnoi and the subclass Crossopterygia. This indicates that it is indeed a crossopterygian fish. - **Hint**: Look for the classification of the organism to determine its group. 2. **Habitat of Neoceratodus**: - Neoceratodus is typically found in stagnant or swampy waters, not in flowing rivers like the Chiturnac. Therefore, this statement is incorrect. - **Hint**: Research the natural habitat of the organism to verify its living conditions. 3. **Aestivation in Neoceratodus**: - Neoceratodus does not exhibit aestivation, which is a state of dormancy during dry periods. This statement is true. - **Hint**: Understand the behavior of the organism during adverse environmental conditions. 4. **Ureotelic Nature of Neoceratodus**: - Neoceratodus is not ureotelic; it excretes ammonia as its primary nitrogenous waste. Therefore, this statement is also incorrect. - **Hint**: Know the excretory products of the organism to determine its metabolic classification. ### Conclusion: Based on the evaluations: - (a) True: It is a crossopterygian fish. - (b) False: It is not found in river Chiturnac. - (c) True: It does not exhibit aestivation. - (d) False: It is not a ureotelic animal. Thus, the correct answers are (a) and (c). ### Final Answer: The true statements about Neoceratodus are (a) It is a crossopterygian fish and (c) It does not exhibit aestivation.
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