Geography - 15. What Are Ecosystems?

What is the sphere of life that extends from the depths of the ocean all the way up to 8 kilometers above Earth?

• Lithosphere

• Biosphere

• Atmosphere

• Hydrosphere

What is the term used to describe a community of living organisms in an area interacting with their environment?

• Biome

• Habitat

• Biosphere

• Ecosystem

Which biome is known for having the most direct sunlight and a lot of precipitation?

• Desert

• Tropical Rainforest

• Boreal Forest

• Temperate Grassland

What is the term for the number of different plants and animals in an ecosystem?

• Biomass

• Productivity

• Net Primary Production

• Biodiversity

Which agricultural practice involves cutting small areas of tropical forests into slash, drying and burning the vegetation, and then using the ash to provide minerals and nutrients for new crop plants?

• Industrial Agriculture

• Commercial Agriculture

• Slash-and-Burn Agriculture

• Subsistence Agriculture

What is the term for the chemical elements stored in both the living and nonliving parts of an ecosystem?

• Biomass

• Photosynthesis

• Decomposers

• Nutrients

Which biome is characterized by having broadleaf deciduous trees that shed their leaves in the cooler fall and winter seasons?

• Desert

• Boreal Forest

• Temperate Grassland

• Tropical Rainforest

What is the term for the stored chemical energy in an ecosystem over a certain amount of time?

• Productivity

• Biodiversity

• Biomass

• Net Primary Production

Which biome is known for having mainly evergreen pine, spruce, fir, and larch trees?

• Tropical Rainforest

• Temperate Grassland

• Boreal Forest

• Desert

What is the term for the paths that nutrients take through the ecosystem between the biotic and abiotic parts?

• Decomposition

• Photosynthesis

• Nutrient Cycles

• Energy Flows