The diagram below represents two processes that occur in organisms. A characteristic represented by X is common to both of these processes. A characteristic that the two processes have in common is that each process *

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

Explain how scientists use geologic time to determine the age of landforms.

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?