Marine Mammals 2

What type of diet do members of the Order Sirenia have?

• Carnivores

• Herbivores

• Omnivores

• Insectivores

Where are manatees typically found?

• Coastal areas of the Indian Ocean

• Coastal areas of the western Pacific Ocean

• Coastal areas of the tropical Atlantic Ocean

• Coastal areas of the Arctic Ocean

What is the maximum length and weight a manatee can reach?

• 3.0 m (10 ft) and 900 kg (2000 lbs)

• 4.3 m (14 ft) and 1360 kg (3000 lbs)

• 5.0 m (16 ft) and 1500 kg (3300 lbs)

• 2.5 m (8 ft) and 1000 kg (2200 lbs)

Which of the following has a fluke-shaped tail?

• Manatees

• Dugongs

• Dolphins

• Whales

In which coastal areas are dugongs typically found?

• Coastal areas of the tropical Atlantic Ocean

• Coastal areas of the Indian and western Pacific Oceans

• Coastal areas of the Mediterranean Sea

• Coastal areas of the Arctic Ocean

What is echolocation?

• The process by which animals use light to navigate.

• The process by which animals use sound to locate objects.

• The process by which animals use smell to find food.

• The process by which animals use touch to sense their environment.

How might increased marine noise pollution affect echolocation?

• It may enhance echolocation.

• It may have no effect on echolocation.

• It may disrupt echolocation.

• It may improve the accuracy of echolocation.

What limits the good vision of marine mammals?

• Ocean conditions

• Lack of light

• Depth of water

• Size of eyes

From where do dolphins and porpoises emit sounds?

• Mouth

• Blowhole

• Fins

• Tail

Through which organ does sound pass in dolphins and porpoises?

• Brain

• Heart

• Melon

• Stomach