Key Terms
This term describes the variety of plants and animals in an area.
What is Biodiversity?
This is the name for a cold, treeless biome.
What is the Tundra?
This is the main human activity that causes deforestation worldwide.
What is Agriculture (or farming)?
This is the largest continent on Earth.
What is Asia?
This happens when there are too many people and not enough resources.
What is Overpopulation?
This term describes an animal that is active at night.
What is Nocturnal?
This is the name for a community of living and non-living things interacting.
What is an Ecosystem?
These are the hot, wet regions near the equator where tropical rainforests are found.
What are the Tropics?
This ocean is located between Africa, Asia, Australia, and the Indian subcontinent.
What is the Indian Ocean?
This term describes the number of people living in a certain area (e.g., per square kilometer).
What is Population density?
This term describes an animal that is hunted by a predator.
What is Prey?
This is the term for a special feature that helps a plant or animal survive in its environment.
What is an Adaptation?
This is the name of the dense, leafy layer formed by the tops of the tallest trees in a rainforest.
What is the Canopy?
This ocean is bounded by the Americas to the east, and Asia and Australia to the west.
What is the Pacific Ocean?
This major historical event, starting around 1800, led to a dramatic increase in the world's population.
What is the Industrial Revolution?
This term describes a resource that cannot be easily replaced, like oil or coal.
What is a Non-renewable resource?
This process describes how wind or water wears away soil.
What is Soil Erosion?
Name two solutions to help combat deforestation.
What are Reforestation, Sustainable logging, Creating protected areas, or Choosing eco-friendly products? (Any two).
This ocean surrounds the continent of Antarctica.
What is the Southern Ocean?
This is the relationship between life expectancy and fertility rate: as one rises, the other tends to do this.
What is Fall (or decrease)?
This term refers to the number of babies born per woman in a population.
What is the Fertility rate?
This term describes the permanently frozen ground found in cold regions like the tundra.
What is Permafrost?
This term describes plants and animals that are not native to an area and can cause harm.
What are Invasive species?
Name all five of Earth's major oceans.
What are the Pacific, Atlantic, Indian, Southern, and Arctic Oceans?
This is the estimated global population projected for the year 2100.
What is around 11 billion?