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 a manatee can grow to?

• 2.1 meters

• 3.2 meters

• 4.3 meters

• 5.4 meters

What is the approximate maximum weight of a manatee?

• 500 kg

• 1000 kg

• 1360 kg

• 2000 kg

Where are dugongs typically found?

• Coastal areas of the tropical Atlantic Ocean

• Coastal areas of the Indian and western Pacific Oceans

• Coastal areas of the Arctic Ocean

• Coastal areas of the Mediterranean Sea

What is echolocation?

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

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

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

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

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

• Poor eyesight

• Depth of water

From where do dolphins and porpoises emit sounds?

• Mouth

• Blowhole

• Fins

• Tail

Through which organ does sound pass in dolphins and porpoises?

• Brain

• Melon

• Heart

• Stomach