Question

Pick up the correctly matched.

• A. Water vascular system $\to$ Sponge
• B. Blubber $\to$ Kangaroo
• C. Marsupium $\to$ Platypus
• D. Flame cell $\to$ Flatworm

Answer 1

The correct option is D Flame cell $\to$ Flatworm

• A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates including flatworms.
• Flame cells function like a kidney and remove waste materials. Marsupium is the pouch that protects eggs, offspring or reproductive structures in kangaroo.
• Blubber is the fat of sea animals. The water vascular system is a hydraulic system used by echinoderms such as sea stars and sea urchins which is used for locomotion, food and waste transportation and respiration.
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• So the correct answer is 'Flame cell → Flatworm'.