The first organisms on land were
The ____ -finned fish gave rise to tetrapods.
The ____ -finned fish gave rise to tetrapods.
Fossils found in sedimentary rocks
Fossils found in sedimentary rocks
Where have similarities in vertebrate embryological develop…
Where have similarities in vertebrate embryological development been shown?
The similarity between the forearm of a human and an alligat…
The similarity between the forearm of a human and an alligator suggests that
Which organism would have the most similar DNA to humans?
Which organism would have the most similar DNA to humans?
In ______________ dating, the age of a fossil is determined…
In ______________ dating, the age of a fossil is determined by using the age of the layers above and below the fossil. This is an indirect method and less precise.
Where are MOST fossils found?
Where are MOST fossils found?
Which of the following data of fossils would be most reliabl…
Which of the following data of fossils would be most reliable?
Why is Tiktaalik considered a transitional fossil?
Why is Tiktaalik considered a transitional fossil?