The image shows a portion of the fossil record that spans several million years. In the image, the numbers designate different rock layers, with the number 1 corresponding to the oldest rock layer.

What statement provides the best explanation for the change in the species between rock layer 1 and rock layer 2?
A.
The original species died out, and several new species evolved that were better suited to the environment.
B.
An abrupt change in the environment caused the original species to evolve into several new species.
C.
The original species hybridized with a single new species, resulting in a variety of species.
D.
Humans introduced several new species into the environment after the original species had died out.

How do adaptation affect a species?

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Briefly describe the scenario that was discussed in the behaving brain that demonstrated that the brain can change based on state or mood. which disease could the research involving rats and learning experiments that was discussed in the behaving brain ultimately with? in the behaving brain, what is a common misunderstanding about amnesia that was mentioned? what is the truth about amnesia that's mentioned? what does research discussed in the responsive brain show to be different in men and women's reaction to touch? what was discussed in the responsive brain as being brain-based and a vital part of normal growth and development in young children? in the responsive brain, what do they discuss as a possibility for leading to deficiencies in cognitive impairment as we age? in the responsive brain, what did the research involving african cichlid fish demonstrate? briefly describe the back story and affliction of the author of peter pan. what did you find most interesting about the behaving brain video, and why? what did you find most interesting about the responsive brain video, and w