Whales: Size, Behavior, and Life Cycle

The video explores the diversity of whale species, from the dwarf sperm whale to the blue whale, highlighting their distinct characteristics and behaviors. It delves into their solitary nature, vocal communication, and migratory patterns. The mating rituals and reproductive strategies are discussed, including gestation and calf development. The video also covers the growth and dependency of calves on their mothers, the immense food consumption of whales, and their role in the ecosystem, including the concept of whale falls and their contribution to marine habitats.

Which of the following is a characteristic of baleen whales?

• They are known for their complex vocalizations.

• They are typically smaller than toothed whales.

• They are active hunters of marine animals.

• They use baleen plates to filter small marine animals.

What is a unique feature of whale songs?

• They are only produced by female whales.

• They are carried by water for hundreds of miles.

• They can last up to 5 minutes.

• They are only used for hunting.

During mating season, what behavior is commonly observed among male whales?

• They remain solitary to avoid competition.

• They form large pods for migration.

• They engage in competitive displays to attract females.

• They hunt in groups to gather food.

How are whale calves typically born?

• Head first to ensure quick breathing.

• Tail first to prevent drowning.

• In groups to increase survival chances.

• In shallow waters to avoid predators.

What is the primary diet of a whale calf during its first year?

• Plankton and algae.

• Mother's milk high in fat.

• Small fish and krill.

• Insects and small crustaceans.

At what age do male whales typically reach maturity?

• Between 7 and 10 years.

• Between 3 and 5 years.

• Between 5 and 7 years.

• Between 10 and 12 years.

What ecological role do whale carcasses play in the ocean?

• They have no significant ecological impact.

• They are quickly consumed by predators.

• They provide habitats for marine life.

• They are a source of pollution.