Why Do Evolutionary Biologists Say That Tiktaalik Roseae Is a "Transitional

question 3

Multiple Choice

Why do evolutionary biologists say that Tiktaalik roseae is a "transitional species"?

• A) It is an extinct species whose DNA sequence indicates that it is intermediate between fish and tetrapods.
• B) It is an extant species whose DNA sequence indicates that it is intermediate between fish and tetrapods.
• C) It is an extant species whose skeletal structure indicates that it is a morphological intermediate between fish and tetrapods.
• D) It is an extinct species whose fossils indicate that it was a morphological intermediate between fish and tetrapods.

---

Definitions:

Oxygen Delivery

The process of providing oxygen to the body's tissues, essential for cellular metabolism and survival.

Aerosolized Medications

Medications delivered in a mist form so that they can be inhaled into the lungs.

Muscle Relaxant

A drug that decreases muscle tone and reduces muscle stiffness or spasms.

Robaxin

A brand name for methocarbamol, a muscle relaxant used to treat skeletal muscle spasms and associated pain.