Biomes & Ecosystems

What are the major types of ecosystems found on Earth?

• Forest, Grassland, Tundra, Desert, Freshwater, and Marine

• Forests, Trees, Mountains, Oceans, Lakes, Rivers

• Arctic, Oasis, Dunes, Tundra, Desert, Freshwater

• mountain, prairie, boreal forest, subtropical rainforest, steppe, dune, and marine

Which ecosystem is characterized by extremely cold temperatures and little precipitation?

• rainforest

• desert

• tundra

• savannah

Which ecosystem is characterized by dense forests and high levels of rainfall?

• tropical rainforest

• tundra

• grassland

• desert

What is the largest ecosystem on Earth?

• marine ecosystem

• rainforest ecosystem

• desert ecosystem

• tundra ecosystem

Which grassland ecosystem is characterized by a mix of woodland and grassland?

• taiga

• rainforest

• desert

• savanna

Why is it important to protect and conserve biodiversity?

• To destroy natural habitats and disrupt ecosystems

• To limit economic growth and development

• To prioritize human needs over the environment

• To maintain ecosystem services, support livelihoods, and promote economic development.

Which lists animals that live in an aquatic ecosystem?

• black bear, deer, vole

• ducks, turtles, amphibians

• panthers, monkeys, snakes

Which is NOT a freshwater ecosystem?

• a river
• a lake 
• an estuary
• a stream

What is an ecosystem?

• A group of animals that are the same species.
• Soil, water, air and sunlight
• All the living and non living things that interact in an area.
• North America

Organisms that make up the living part of an ecosystem.

• abiotic
• biotic factors
• ecology
• ecosystems