What is a crevice ? ( biology \ a level )

Describe speciation of the galapagos island finches in terms of geographic isolation

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?