Action potentials depend on sodium (Na ) ions being more highly concentrated outside a neuron and potassium (K ) ions being more concentrated inside a neuron. However, Hodgkin and Huxley determined that there is pressure for Na ions to move into a resting neuron and pressure for K ions to move out of a resting neuron and that these ions actually leak across the membrane. How do neurons counteract this leaking and maintain the imbalance between these ions

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.

(me out over the last several centuries, scientists have made the following broad observations while investigating several branches of the life sciences: -the fossil record shows that different types of organisms have existed at different times in earth's history. -many organisms have similar body structures that seem to be adapted to different ways of living in their environment. -organisms of different species often share similarities in stages of embryonic development. -many species share genetic similarities, and almost all organisms use the same basic building blocks to construct proteins. -often, the extent of two species' similarities can be predicted from their geographic closeness to each other. -a great deal of change has been observed among species that have experienced strong selective pressures through many generations. scientists have carefully considered and rigorously tested the observations listed above. when scientists offer a of these observations, they are making 1.) testable explanation, deductive explanation 2.) scientific interference, scientific law