Characteristics of the Rainforest Biome

Where are tropical rainforests primarily located?

• Polar regions

• Desert areas

• Equatorial belt

• Temperate zones

What is the average annual rainfall in tropical rainforests?

• About 2000 millimeters

• 3000 millimeters

• 500 millimeters

• Less than 1000 millimeters

Why are rainforest soils infertile?

• Excessive cold

• Nutrients are mostly on the surface

• Lack of decomposers

• High nutrient content

• Excessive rainfall leaches nutrients

What structural feature supports tall rainforest trees?

• Thick bark

• Broad leaves

• Buttress roots

• Deep tap roots

What is a major threat to the stability of rainforest ecosystems?

• Deforestation

• Overfishing

• Urbanization

• Global warming

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5