Test Prep

Introduction Terrestrial biomes are large land regions that share similar climate conditions, soil types, and … Read more

Introduction Demographic transition refers to the shift from high birth and death rates to lower … Read more

Introduction Human population dynamics is the study of how and why population sizes change over … Read more

Introduction Total fertility rate (TFR) is a crucial concept in AP® Environmental Science because it directly influences … Read more

Introduction An age structure diagram is a vital tool for anyone studying population dynamics in … Read more

Introduction Population growth and resource availability are fundamental concepts in AP® Environmental Science. They shape how communities … Read more

Introduction Carrying capacity in ecology influences how populations grow and thrive in an ecosystem. It … Read more

Introduction A population’s survival patterns often reflect how it responds to changing environments and resource … Read more

Introduction Ecologists often classify species based on traits related to reproduction and survival. One of … Read more

Introduction Species diversity remains a vital topic in AP®  Environmental Science. Diverse organisms fill ecological roles … Read more