Recent Lessons

Show all results for ""

16 Questions

0 Views

Anatomy Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of cetacean blowholes?

To allow warm air with water vapor to condense in the colder sea air (correct)
To expel excess water from their bodies
To regulate body temperature
To aid in echolocation

What is the composition of cetacean flukes?

They are made of very muscular tissue with tendons dictating their shape (correct)
They are mainly made of adipose tissue
They contain bones for structural support
They are primarily composed of cartilage

What is the function of cetacean dorsal fins?

They assist in steering and maneuvering
They are used for stability and thermoregulation (correct)
They serve as a protective mechanism against predators
They aid in propulsion during swimming

What is the composition of blubber in marine mammals?

Blubber is made of fibrous connective tissue interspersed with oil-filled cells (A) Signup and view all the answers

What is the purpose of the diaphragm in cetaceans?

To withstand pressure changes (A) Signup and view all the answers

What is the function of the cetacean tongue?

Thermoregulation (A) Signup and view all the answers

What is the role of the soft palate in cetaceans?

Attached to the vomer bone (A) Signup and view all the answers

What is the purpose of the aortic bulb in cetaceans?

Stiffened to withstand pressure (A) Signup and view all the answers

What is the function of the hyoid bone in cetaceans?

Attachment point for muscles (A) Signup and view all the answers

What is the purpose of the cervical vertebrae in cetaceans?

To prevent injury (B) Signup and view all the answers

What is the composition of cetacean bones?

Light, porous, and full of oil (B) Signup and view all the answers

What is the primary function of the pinniped stomach?

Mechanical breakdown (A) Signup and view all the answers

What is the role of the oral plug found in fin whales?

Likely to be used in feeding (C) Signup and view all the answers

What is the purpose of the melon in odontocetes?

Focus sound beam and determine direction (D) Signup and view all the answers

What is the primary function of the cetacean stomach?

Chemical breakdown (A) Signup and view all the answers

What is the primary function of the cetacean fluke muscles?

Buoyancy control (B) Signup and view all the answers