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The Tropical Rainforest

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Kristopher Carbis

on 21 November 2012

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Transcript of The Tropical Rainforest

TROPICAL RAINFOREST The Rainforest Floor phorid flies attack the ants and lay their eggs in the ant's head.
When the eggs hatch, the larvae burrow into the ant's body and feeds on it, killing it. Tropical Rainforest Watch the following clip to find out more about rainforests http://www.twigonglow.com/films/forests-rainforests-1198/ Facts about the rainforest Tropical rainforests covers just 6% of the world.

It homes more than half of the animals on the planet

Most biodiverse habitat on Earth.

Largest rainforest is called the Amazon in South America.

The Amazon spans 9 countries and take up 4 billion square kilometres. Transpiration Trees absorb more water than they can use.

Some is released back into the atmosphere as mist.

The mist gathers as clouds.

These clouds then release their moisture as rain.

On average, the rainforest receives 2 metres of rainfall a year. The Forest Floor The Understory The Canopy The Emergent Layer The forest floor is warm, damp and dark.

Fungi, ferns and herbs grow here.

Few plants grow here due to lack of light

The Rainforest Floor Leaves and animal droppings fall down from the layers above

This creates a compost level that provides nutrients that are taken up by many tree roots. Rainforest of the World Amazon
Rainforest African
Rainforest Australasian
Rainforest The Understory The understory is made up of tall shrubs and trees less than 10 metres tall

Trees in this level have usually been stunted through lack of sunshine.

Moss, algae and creepers flourish on trunks of trees and even animals.

Animals such as sloths, spider monkeys, silky anteater, red-eyed tree frog and marpesia marcella butterflys live here.

Spider Monkey Sloth Red-eyed tree frog The Canopy The branches and leaves that grow on the tall, think trees are known as the canopy.

This layer is between 30 and 40 metres off the ground.

The majority of the rainforest animals make their home here. The canopy stops 80% of all the rainfall in the rainforest from reaching the ground. Fact 1 Fact 2 The canopy blocks out 98% of the sunlight. Emergent Layer This is the top layer of the rainforest where the tallest trees can be seen.

There are only one or two "forest giants" per hectare of forest.

These trees are usually around 40 metres tall and enjoy more light and room to grow.

When they eventually die, their massive trunks create a large clearing in the rainforest. Other plants and trees then compete to take this "giants" place.

Many trees at this height use buttress roots to support their weight. Buttress roots Macaw King Vulture Green Iguana 88 Butterfly Toucan Back in Applegrove What have you learned? Think, pair, share!
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