Question

question: which animal can be classified as a tetrapod? answer options: select one of four goldfish lobster spider whale

Explanation:

Tetrapods are vertebrates with four limbs (or evolutionary descendants of such). Whales are mammals (tetrapods) as their ancestors had four limbs, and they evolved from tetrapod ancestors. Goldfish are fish (not tetrapods), lobsters are arthropods, and spiders are arachnids (neither are tetrapods).

Answer:

D. Whale