Exploring Ecosystems and Biomes

What defines an ecosystem?

• A single species in its habitat

• A collection of water bodies

• A system formed by organisms interacting with their physical environment

• A community of people in a city

What is permafrost?

• A type of polar bear

• A layer of ice on the ocean

• A cold desert

• Permanently frozen ground in the Arctic tundra

Which biome is characterized by cone-bearing trees with needles?

• Grassland

• Coniferous forest

• Rainforest

• Deciduous forest

What is a unique feature of deciduous forests?

• It is mostly underwater

• It receives less than 25 cm of rainfall annually

• It is the coldest biome

• Trees lose their leaves in autumn

What type of desert is the Sahara?

• Hot and dry

• Cold and dry

• Cold and wet

• Hot and humid

What is the average temperature in savanna grasslands?

• 30 degrees Celsius

• 0 degrees Celsius

• 20 degrees Celsius

• 10 degrees Celsius

What percentage of the Earth's surface is covered by aquatic biomes?

• 90%

• 25%

• 50%

• 75%

How much rain can tropical rainforests receive annually?

• Up to 300 cm

• Up to 100 cm

• Up to 400 cm

• Up to 200 cm

Tags

NGSS.MS-ESS2-4

What is the purpose of recycling in relation to rainforests?

• To decrease the need for mining

• To create more habitats for animals

• To grow more trees

• To increase rainfall

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is a terrarium?

• A type of aquarium

• A mini ecosystem inside a container

• A large biome

• A tool for studying deserts