Describe bird evolution as known from the fossil record. What will be an ideal response?
The ancestor of birds was probably a small theropod, and some in China have been found with a
featherlike covering. The birdlike Archaeopteryx had dinosaurlike teeth, tail, brain size, and hindlimb
structure, but had feathers and a wishbone, typical of birds. Two fossils younger than Archaeopteryx
have primitive and advanced features
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Maize (corn) was domesticated in
A) Africa. B) Europe. C) Asia. D) Mexico. E) Australia.
According to the principle of uniformitarianism, processes have occurred at the same rates throughout geologic time
Indicate whether the statement is true or false
Why is iridium a good indicator of impacts by extraterrestrial bodies?
What will be an ideal response?
Which of the following is NOT a setting in which regional mountain belts form?
A. upwelling of the mantle B. the collision of India with Asia C. passive margin D. subduction zone E. continental collision