During an action potential, the "gates" covering the axon's ion channels pop open to allow which ions to rush into the axon?

3. Why is the surface of the Earth in constant motion? 4. What are Plates? 5. What is the definition of an Earthquake? 6. Earthquakes range from what to what? 7. How many types of forces are there? Name them: 8. What is Tension? 9.

When the transport proteins "pump" molecules across the plasma membrane from low to high concentration against the concentration gradient it is called?

This is a form of weather characterized by lightning and large amounts of rainfall.

How can energy be converted into different forms?

What is the scientific explanation for the different seasons?

Describe how the population of the Earth increase if the number of children being born is less?

What is defined as all of the living and non-living components of a particular geographic area?

Most reptiles and all birds are, meaning that their young develop in fertilized eggs laid outside the mother's body. in contrast, most mammals are, meaning that their young develop inside the mother's body.

What is heamoglobin

In the following experiment, what is the independent variable? Dr. Honeydew would like to test the effect of chlorine on Beaker's hair color. To test this he pours heavily chlorinated pool water on the right side of Beakers head.