View
213
Download
0
Category
Preview:
DESCRIPTION
Rainforest Fast Facts Only 2% of the land masses House over 50% of species of the world! Estimates that they have between 3-50 million species! BIODIVERSITY Produce over 80% of Earth’s oxygen
Citation preview
Rainforests Part 1
Animals & Their Environment
What is a rainforest?•What can we infer from the
name? •High levels of precipitation• Typical rainforest has 80-100
inches of rainfall each year. • Illinois – average is only 38
inches of rainfall a year.
Rainforest Fast Facts•Only 2% of the land masses•House over 50% of species of the world!•Estimates that they have between 3-50 million species!•BIODIVERSITY•Produce over 80% of Earth’s oxygen
Two types of Rainforests
Tropical Temperate
Temperate Rainforests
Tropical Rainforests
So, what’s the difference between Tropical and Temperate Rainforests? • Tropical• Only a small percentage of tropical
forests ARE rainforests. • Must lie between the Tropic of
Cancer and Tropic of Capricorn• Over 750 types of trees• Warmer temperatures – warm
year round
• Temperate• Made up of deciduous or
coniferous trees• Contain the tallest trees in the
world (Redwoods)• Cooler temperatures – cold
winters, hot summers
ITCZ• Inter Tropic Convergence Zone• This is what supports the
Tropical Rainforests of the world• Belt of Low Pressure that circles
the earth around the equator• Where the Northern &
Southern Trade Winds converge• Noted for severe thunderstorms
• http://www2.palomar.edu/users/pdeen/Animations/23_WeatherPat.swf
• http://www2.palomar.edu/users/pdeen/Animations/23_WeatherPat.swf
Recommended