An age structure diagram plots the number or percentage of ____.

Between 1849 and 1852, the population of __________ more than doubled.

If a population overshoots its _________, it may have a population crash. (2 words)

A species that has experienced a severe bottleneck event would be expected to _______.

A school of tuna fish exhibits a ____________ distribution pattern.

Doubling time concept may be applied to _____.

About 80% of the ocean's water exists in the ________.

Guangdong province faces the _________________.

In central america, the richest people are _____.

When rocks form and cool, _____ particles align according to the magnetic poles.

Soils in ____ contain little organic material and are thin.