Desertification is a process by which ecosystems in seasonally dry climates are degraded by human activities into human-made deserts. This process is not considered a threat to biodiversity because many plant and animal species find new habitats in these newly created deserts.

What is the best shape for a forest to be if your goal is to protect deep forest   species? Assume that the area of the protected area does not change. (Hint:  Think about deep forest and deep forest species.)

The “Tragedy of the Commons” is:  

When conservation biologists are unable to distinguish among species, they  may categorize species by their ecological roles rather than their taxonomy.

The loss of keystone species can create a series of linked extinction events. This is referred to as a(an)_____________.

The different biological communities and their associations with the chemical and physical environment.

Resistance is the ability to maintain the same state even with ongoing disturbance.

About ____ of the world’s population relies on traditional medicines as their primary source of treatment.

Conservation biology is referred to as “a discipline of crisis.”

A group of individuals that can potentially breed among themselves in the wild and that do not breed with individuals of other groups are referred to as: