Baleen Whale Questions

Which of the following accurately describes the habitat of baleen whales?

• They are exclusively found in polar seas.

• They are primarily located in temperate zones.

• They are limited to tropical oceans.

• They can be found in all oceans worldwide, from polar seas to temperate and tropical zones.

What is the specialized structure found in baleen whales?

• A flexible tongue used for filter feeding.

• Long, keratinous plates known as baleen that hang from their upper jaws.

• Hardened cartilage formations on their upper jaws.

• Serrated teeth for hunting prey.

What is the typical migration distance for most baleen whales?

• 10,000–15,000 km (6,000–9,000 mi.)

• 3,000–5,000 km (1,800–3,000 mi.)

• 500–1,000 km (300–600 mi.)

• 2,000–3,000 km (1,200–1,800 mi.)

Are baleen whales endothermic or ectothermic?

• Ectothermic

• Endothermic

What is the primary function of baleen plates in baleen whales?

• Trapping prey while allowing water to pass through.

• Filtering out sediment from the water.

• Generating sound for communication.

• Providing structural support for the jaw.

How do baleen whales typically breathe?

• Through a single blowhole located at the back of their head.

• Through their mouth when they surface above water.

• Through two blowholes on top of their head.

• Through gills located on the sides of their body.

What type of circulatory system do baleen whales have?

• Open

• Closed

What role do great whales play in the environment?

• They contribute to ocean acidification.

• They have no significant impact on the environment.

• They accelerate the depletion of marine resources.

• They reduce CO2 in the atmosphere.

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Baleen whales are a keystone species

• True

• False

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Why are baleen whales considered a keystone species in marine ecosystems?

• They help maintain ocean health.

• They primarily prey on smaller fish, controlling their population.

• They compete with other marine mammals for resources.

• They have no significant impact on the ecosystem.

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