Download presentation
Presentation is loading. Please wait.
1
III. Rainforests
2
A. Climate/Definition 1. Temperature averages around 25 C
2. Growing season can last 12 months – 450 cm of rain per year 4. Has a dense canopy of trees of all kinds 5. 70 to 90% of all species on the planet are here
3
6. Very poor soil because nutrients are all in the living organisms
a. All in the top 5 cm of the soil b. Fast decomposition 7. Most activities take place in the trees
7
Organisms 1. Plants a. Mainly trees, 700 different species in 10 hectares b. Other vegetation sparse because of low light c. provide many niches
9
2. Animals a. Every type of animal way too many to name b. Live on all levels c. E.O. Wilson found 43 species of ant on one tree d. Very complex food webs
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.