The diaphragm,
During inhalation, the diaphragm is contracted which increases the volume of the lung cavity. During exhalation, the diaphragm is relaxed which decreases the volume of the lung cavity
So 6 were born that year, 5 emigrated, 3 died, and 1 immigrated. So +6, +5, -3, and -1. So 11 - 4. That would be 7. So there is 7 deer. You can determine from this information that there are 7 deer.
<span>The Galapagos Islands are geographically isolated due to the Ocean that surrounds the islands themselves. The finches can't fly far enough to make it past the vast ocean to other mainland so they are stuck on the island and must adapt to what the island provides for food in varying areas.</span>
