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Tropical Rainforest

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by

Kiernan Rome

on 25 October 2012

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Transcript of Tropical Rainforest

Tropical Rainforest The Biome Project WHERE IS THIS BIOME LOCATED?! South and Central America
Amazon Rainforest
Atlantic Forest Abiotic Factors Plant
Adaptations Because the weather is hot and wet, trees do not need thick bark to slow down moisture loss and have instead thin, smooth bark.

The layers of rainforest are connected by vines and ferns, and mosses grow on the trees. Liana is a climbing vine that grows on rainforest trees, climbing into the canopy so its leaves get more sunlight.

The leaves of rainforest trees have adapted to cope with the large amount of rain. The leaves are big, thick and waxy, and have 'drip tips' to let the rain drain off quickly.

Many large trees have huge ridges called buttresses near the base. They may be 10-12 meters high where they join into the trunk. They increase the surface area of a tree so that it can 'breathe in' more carbon dioxide and 'breathe out' more oxygen. Scientists do not yet know all the species that are to be found in a tropical rainforest and new ones are still being discovered Africa
Ituri Rainforest
Kilum Ijim Forest
Madagascar lowland forests Asia
Harapan Rainforest
Sinharaja Rainforest
Western Ghats Rainforest Australasia and Oceania
Daintree Rainforest
Hawaiian tropical rainforests Belong to the tropical wet climate group
Temperature in a rain forest rarely gets higher than 93 °F or drops below 68 °F
Average humidity is between 77% and 88%; rainfall is often more than 100 inches a year
Usually a brief season of less rain
In monsoonal areas, there is a real dry season
Because of the thickness of the canopy of a rain forest, only 2% of the sunlight that hits the upper layers of the rainforest reaches the forest floor.
Soil in the tropical rainforests is very nutrient poor. The topsoil is only one to two inches deep. The only reason plant life is so lush is because the plants store the nutrients in themselves rather than getting them from the soil. Native Plants The tropical rainforests have billions of species of plants and animals, more than anywhere else on earth Bengal Bamboo
Bougainvillea
Curare
Coconut Tree
Durian
Jambu
Kapok Tree
Mangrove Forests
Strangler Figs
Tualang Animal
Adaptations Some animals became very specialized. This means that they adapted to eating a specific plant or animal that few others eat. For example, parrots and toucans eat nuts, and developed big strong beaks to crack open the tough shells of Brazil nuts. Leaf cutter ants climb tall trees and cut small pieces of leaves which they carry back to their nest.The leaf pieces they carry are about 50 times their weight.The ants bury the leaf pieces, and the combination of the leaves and the ants' saliva encourages the growth of a fungus, which is the only food these ants eat. The South American three-toed sloth uses camouflage and amazing slowness to escape predators. Green algae grows in the sloth's fur, which helps camouflage it in the forest canopy. Recreational Activites Kayak
Archery
Nature Walk
Zip Lining
Fishing
River Boat Ride Points Of Interest The Arenal Lake: The lake is popular among sport fishers that can expect to catch rainbow bass or any other of the ten species of fish that now inhabit the lake. The Venado Caves:The flow of water created cracks where sediment and other material were washed through. The openings grew bigger and finally they were transformed into a network of tunnels. Nowadays the caves consist of limestone rocks, stalactites, stalagmites and corals and has a total length of approximately 2,5 kilometer with 10 large quarters. Biomes Nearby Desert & Grassland Weather Report The average temperature of a rain forest is about 77° Fahrenheit. The rain forest is about the same temperature year round. The temperature never drops below 64° Fahrenheit. 2 to 4 meters of rain per day. Short sleeve shirts and shorts because of the temperature, and a poncho to keep you dry. although mosquitoes might be a problem, bug spray and vaccinations are a great idea before visiting the rainforest. Threats to Biome The biggest threat to the rainforest is man. The ever-expanding human population is exerting tremendous pressure on the resources and the space of the rainforest. Other threats are natural fires,volcanic activity, drought and tropical storms Endangered Species Gorilla
Orangutan
Jaguar
Toucan
Bengal Tiger
Harpy Eagle Fear of
Climate Change? There has been a fear of climate change for many areas in the northern hemisphere because of global warming but thankfully the southern hemisphere does not have as much fear.There is a small fear of climate change in this biome. The tropical rainforest keeps getting warmer. Some species will not be able to survive in the hot climate. The climate is now becoming a threat to the tropical rainforest. Why Is The Rainforest Important? They provide a habitat for animals and plants
They regulate our climate
They help to prevent soil erosion
They provide a home for indigenous people
Rainforest pharmacy
Competition One tree is taller than the other trees and therefore gets more sunlight whilst the trees below are in the shadow of the taller tree.
For example, a toucan has a much larger beak than a Malachite Kingfisher. They both eat nuts but there is not enough to go around the rainforest! So, the toucan has the advantage because of its large beak. This way, the competition is always in the toucan's favor, but the Malachite Kingfisher must fight for its survival!
Cooperation Two monkeys in the rainforest help eachother by grooming the other.
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