Question

Tiktaalik was a prehistoric fish that was an ancestor to modern tetrapods. It shared anatomical features with tetrapods (e.g., four limbs) and fish (e.g., gills, scales). With these features, Tiktaalik could be best described as a(n)(1 point)
Responses

amphibian.
amphibian.

transitional form.
transitional form.

reptile.
reptile.

fossil.
fossil.

Answer 1

transitional form.

Tiktaalik shows a mix of fish (gills, scales) and tetrapod-like (robust limb bones, wrist joints) features, placing it as a transitional fossil between fish and early tetrapods.