Various options are provided as possible answers to the following questions - NSC Marine Sciences - Question 1 - 2023 - Paper 2
Question 1
Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A–D) next to the question numbers (1.1.1 to... show full transcript
Worked Solution & Example Answer:Various options are provided as possible answers to the following questions - NSC Marine Sciences - Question 1 - 2023 - Paper 2
Step 1
1.1.1 Pneumatophores are gaseous exchange structures found in …
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Answer
The correct answer is D mangroves. Pneumatophores are specialized structures in mangroves that facilitate the exchange of gases, particularly in waterlogged conditions.
Step 2
1.1.2 The phagocytic cells found in the water vascular system of echinoderms are called …
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Answer
The correct answer is B coelomocytes. These cells are essential for the immune response in echinoderms, helping in the engulfing and digesting of pathogens.
Step 3
1.1.3 The reason why this species can survive in brackish estuarine waters is because it is …
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Answer
The correct answer is A euryhaline. This term refers to organisms that can tolerate a wide range of salinities, allowing them to thrive in both marine and freshwater environments.
