Deserts typically occur in a band at 30 degrees north and south latitude or at different latitudes in the interior of continents. This supports the idea that

Species that compete for the same resources often switch to either use different resources or find ways to reduce competition.  Why is this often true?

What organism has the greatest potential for creating biofuels?

This biome has cooler, wet winters and hot, dry summers.  Its plants often burn easily, and fires are common.

The Figure below depicts the age structure of three populations. Which population is in the process of increasing?

What is the main cause of hematoma?

Black soldiers during the Revolutionary War

Which occurs in the Calvin cycle?

Which of the following initial signs and symptoms should alert the clinician to a potential overdose reaction?

Which of the following are TRUE regarding global climate change and its effects? Select ALL that apply.