What is an ecosystem?

• a community of living organisms interacting with their own environment

• a system of Ecos

• a place with only animals

• a place with only plants

What is the primary source of energy for ecosystems?

• The moon

• The sun

• The ocean

• The wind

What is the Biosphere?

• a complex web of interconnected ecosystems

• a place where spheres meet bios

• a place where bios meet spheres

• a large sphere where life exists

What is Net Primary Production?

• The amount of stored chemical energy in an ecosystem for a certain amount of time

• The amount of Plant energy stored in an ecosystem for a certain amount of time

• The amount of animal energy stored in an ecosystem for a certain amount of time

• The amount of inorganic energy stored in an ecosystem for a certain amount of time

Which biome is known for its high productivity and biodiversity?

• Desert

• Tundra

• Tropical rainforest

• Savanna

What is a key characteristic of the boreal forest biome?

• High temperatures

• Evergreen trees

• Rich soil

• Abundant rainfall

What do Consumers do in an aquatic ecosystem?

• The provide nutrients

• They take nutrients from other organisms

• They create nutrients out of nothing

• They produce nutrients

What do Decomposers do in an aquatic biome?

• The create biotic components

• They consume biotic materials

• They break down biotic parts

• They build up biotic parts

What is Deforestation?

• The removal of animal life

• The removal of organic life

• The production of plant life

• The removal of trees and plant life

What is Subsitence Agricultural Practice?

• Growing nothing at all

• Only growing enough to feed one's families

• Only growing enough to feed their country

• Growing enough to feed the entire world