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Plants and animals of the 
Tropical rainforests 
How do they survive in this hot, 
wet environment? 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
All About 
Rainforests 
What is a Rainforest? 
Rainforests are very dense, warm, wet forests. They 
are havens for millions of plants and animals. 
Rainforests are extremely important in the ecology of 
the Earth. The plants of the rainforest generate 
much of the Earth's oxygen. These plants are also 
very important to people in other ways; many are 
used in new drugs that fight disease and illness. 
The Tropical Rainforest is a forest occurring in tropical areas of heavy 
rainfall. It is abundant with many species of wildlife and vegetation. 
Rainforests cover less than two percent of the Earth's surface. They 
are home to some 50 to 70 percent of all life forms on our planet. 
Rainforests are the most productive and most complex ecosystems on 
Earth 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Where are 
Tropical Rainforests? 
Where are tropical rainforests? Tropical rainforests are located in a band around the equator (Zero degrees 
latitude), mostly in the area between the Tropic of Cancer (23.5° N latitude) and the Tropic of Capricorn (23.5° 
S latitude). This 3,000 mile (4800 km) wide band is called the "tropics." 
The equator is an imaginary circle around the earth, halfway between the north and south poles. 
Temperatures at the equator are high. These high temperatures cause accelerated evaporation of water, which 
results in frequent rain in forested areas in the tropics. 
There are rainforests in South and Central America, Africa, Oceania (the islands around Australia), and Asia. 
Tropical rainforests cover only about 7% of the Earth's surface. 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Structure of the rainforest 
The dominant plants in a rainforest are giant trees. The 
hot wet climate enables them to grow all year round, and 
they remain evergreen, continuously shedding their leaves 
and growing new ones. 
The average height of rainforest trees is about 45 
metres, although the emergence (trees which tower above 
the others) may go as high as 90 metres. Smaller trees 
growing the under story (layer between the canopy and 
the forest floor). 
Several layers can be identified within the 
forest 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
A Emergent 
tree canopy 
B Large trees 
of Middle layer 
C Lower tree 
layer 
D Shrub/small 
tree layer 
45 
40 
35 
30 
25 
20 
15 
10 
5 
E Ground vegetation
Canopy layer - formed by the crowns of the tall trees and 
contains a mass of branches, Leaves, flowers and fruit. 
Conditions in the canopy vary, and include: 
•Hot sunshine 
•Heavy rainfall 
•Tropical storms 
Middle layer - the Vegetation here is more sparse. The trees 
tend to have pointed crowns and, when a giant tree falls, they 
grow quickly to fill a gap in the canopy 
Conditions within the forest on more or less constant: 
•There is little variation in temperature 
•The air is moist and still 
•Rain on the canopy drips to the forest floor several minutes later 
•A breeze is rare, even during storms 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Shrub layer - scattered shrubs, saplings (young trees) and 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
ferns. 
Herb layer - a few non-woody, soft stemmed plants with 
thin leaves. 
Leaf litter - thin layer covers the forest floor. 
Soil layer - most roots growing the top 10 centimetres 
whether nutrients are found.
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
Layers of the Rainforest 
Different animals and plants live in different parts of the 
rainforest. Scientists divide the rainforest into strata 
(layers) based on the living environment. Starting at the 
top, the strata 
are: 
•EMERGENTS: Giant trees that are much higher than 
the average canopy height. It houses many birds and 
insects. 
•CANOPY: The upper parts of the trees. This leafy 
environment is full of life in a tropical rainforest and 
includes: insects, birds, reptiles, mammals, and more. 
•UNDERSTORY: A dark, cool environment under the 
leaves but over the ground. 
•FOREST FLOOR: Teeming with animal life, especially 
insects. The largest animals in the rainforest 
generally live here.
Emergents are the tallest trees and are usually 
over 50 metres tall. The Kapok tree is an 
example of an emergent. 
The sea of leaves blocking out the sun from the 
lower layers is called the canopy. The canopy 
contains over 50% of the rainforest wildlife. 
This includes birds, snakes and monkeys. Lianas 
(vines) climb to the canopy to reach this sun 
light. 
The under canopy mainly contains bare tree 
trunks and lianas. 
The shrub layer has the densest plant growth. 
It contains shrubs and ferns and other plants 
needing less light. Saplings of emergents and 
canopy trees can also be found here. 
The forest floor is usually dark and damp. It 
contains a layer of rotting leaves and dead 
animals called litter. This decomposes rapidly 
(within 6 weeks) to form a thin humus, rich in 
nutrients. 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
The following plant adaptations enable 
tropical plants to live in the hot, humid, and wet 
conditions of the tropical rainforest. 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Plant Adaptations 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
1. Bark 
In drier, temperate deciduous forests a thick 
bark helps to limit moisture evaporation from 
the tree's trunk. 
2. Lianas 
Lianas are climbing woody vines that drape rainforest trees. 
They have adapted to life in the rainforest by having their 
roots in the ground and climbing high into the tree canopy to 
reach available sunlight. 
3. Drip Tips 
The leaves of forest trees 
have adapted to cope with 
exceptionally high rainfall. 
Many tropical rainforest 
leaves have a drip tip. It is 
thought that these drip tips 
enable rain drops to run off 
quickly. Plants need to shed 
water to avoid growth of 
fungus and bacteria in the 
warm, wet tropical 
rainforest 
4. Buttresses 
Many large trees have massive ridges near the base that can rise 30 feet high before blending into 
the trunk. Why do they form? Buttress roots provide extra stability, 
6. Epiphytes 
Epiphytes are plants that live on 
the surface of other plants, 
especially the trunk and branches. 
They grow on trees to take 
advantage of the sunlight in the 
canopy 
7. The trees don’t waste time growing branches 
as they could use this energy to grow faster and 
reach the sunlight first!
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
Strong scent and bright 
colours of flowers 
attract insects which 
assist in pollination 
Strong scent of fruits attracts 
animals, which feed on the 
fruit and assist in dispersal 
of the seeds 
Thick, waxy surface of 
leaves protects against 
hot sun, heavy rain, 
and strong winds 
Aerial roots of 
epiphytes absorb 
moisture from the 
air 
Tall straight trunks 
no side branches 
Thin, smooth bark 
Buttress roots 
Shallow spreading 
root system
Wide roots stop these enormously tall trees from falling over. They also wind above 
the ground looking for food and nutrients rather than digging beneath the ground 
where nutrients are scarce. 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
These specially designed 
leaves allow all the 
rainwater to drip off the 
leaf quickly so it doesn’t 
get too heavy and break!
Have their roots in the 
ground and then climb up 
the trees to reach the 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
sunlight.
Rainforest plants 
And the enormous the number of different species of plants grow in 
rainforests, with many species occurring only in one particular region. 
Unlike other forests, rain forests have an abundance of : 
Epiphytes plants which live above the ground growing on 
tree trunks and branches, Example orchids, 
ferns, mosses 
Climbing plants including large woody climbers called lianas 
which are rooted in the soil and usually reach the 
canopy. The climbers twist around the tree trunks, 
and loop from one tree to another in the canopy, 
binding the trees together. 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
Orchid - sun-loving roots 
attached themselves to 
branches and absorb nutrients 
Pitcher plant - a carnivorous plant. 
slippery rim 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
tendril 
Insects falling into the 
pitcher are digested, and 
nutrients which are released 
are absorbed by the plant. 
Parasitic plant
Animals that Live in Rainforests: 
Ridiculously huge numbers of animals live in rainforests, including microscopic animals, invertebrates 
(like insects and worms), fish, reptiles, amphibians, birds, and mammals. The different rainforests of 
the world support different populations of animals. A few animals from each rainforest are listed 
below: 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
•South America - 
•insects (morpho butterfly, Julia butterfly, Monarch butterfly, and millions of other 
insects) 
•mammals (jaguar, ocelot, didelphid opossums, sloth, howler monkey, spider monkey, 
capybara, many bats, marmosets, procyonids, peccaries) 
•birds (quetzal, macaw, tinamous, curassows, hoatzins, hummingbirds, eagles, ovenbirds, 
antbirds, flycatchers, puffbirds, toucans, jacamars, tanagers, tapirs, troupials, 
honeycreepers, cardinal grosbeaks, xenops) 
•reptiles (anaconda, caiman, iguanas, lizards, microteiid lizards, boas, and coral snakes), 
amphibians (poison arrow frog, etc.) 
•fish (electric eel, piranha), and millions of other animals.
The rainforests have a lot to offer…….. 
Tom Abbott, Biddulph High School and 
So everybody wants made available a through 
piece of the action! 
www.sln.org.uk/geography and only for 
non commercial use in schools
The trees are being 
cut down at an 
alarming rate! 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
So why are the trees being removed………………… 
Settlements Mining 
Timber Cattle Ranching 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools
So what does it mean for us? 
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
Yummy 
McDonalds! 
Iron Ore to make 
steel 
Luxurious 
furntiture 
Exciting holidays!
But it’s not all good news! 
Medicines from the rainforest will be lost! 
Trees release oxygen which we need to 
Tom Abbott, Biddulph High School and 
Burning the trees adds to global warming! 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools 
breath! 
And what about the poor old animals?
Tom Abbott, Biddulph High School and 
made available through 
www.sln.org.uk/geography and only for 
non commercial use in schools

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  • 1.
  • 2. Plants and animals of the Tropical rainforests How do they survive in this hot, wet environment? Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 3. All About Rainforests What is a Rainforest? Rainforests are very dense, warm, wet forests. They are havens for millions of plants and animals. Rainforests are extremely important in the ecology of the Earth. The plants of the rainforest generate much of the Earth's oxygen. These plants are also very important to people in other ways; many are used in new drugs that fight disease and illness. The Tropical Rainforest is a forest occurring in tropical areas of heavy rainfall. It is abundant with many species of wildlife and vegetation. Rainforests cover less than two percent of the Earth's surface. They are home to some 50 to 70 percent of all life forms on our planet. Rainforests are the most productive and most complex ecosystems on Earth Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 4. Where are Tropical Rainforests? Where are tropical rainforests? Tropical rainforests are located in a band around the equator (Zero degrees latitude), mostly in the area between the Tropic of Cancer (23.5° N latitude) and the Tropic of Capricorn (23.5° S latitude). This 3,000 mile (4800 km) wide band is called the "tropics." The equator is an imaginary circle around the earth, halfway between the north and south poles. Temperatures at the equator are high. These high temperatures cause accelerated evaporation of water, which results in frequent rain in forested areas in the tropics. There are rainforests in South and Central America, Africa, Oceania (the islands around Australia), and Asia. Tropical rainforests cover only about 7% of the Earth's surface. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 5. Structure of the rainforest The dominant plants in a rainforest are giant trees. The hot wet climate enables them to grow all year round, and they remain evergreen, continuously shedding their leaves and growing new ones. The average height of rainforest trees is about 45 metres, although the emergence (trees which tower above the others) may go as high as 90 metres. Smaller trees growing the under story (layer between the canopy and the forest floor). Several layers can be identified within the forest Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 6. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools A Emergent tree canopy B Large trees of Middle layer C Lower tree layer D Shrub/small tree layer 45 40 35 30 25 20 15 10 5 E Ground vegetation
  • 7. Canopy layer - formed by the crowns of the tall trees and contains a mass of branches, Leaves, flowers and fruit. Conditions in the canopy vary, and include: •Hot sunshine •Heavy rainfall •Tropical storms Middle layer - the Vegetation here is more sparse. The trees tend to have pointed crowns and, when a giant tree falls, they grow quickly to fill a gap in the canopy Conditions within the forest on more or less constant: •There is little variation in temperature •The air is moist and still •Rain on the canopy drips to the forest floor several minutes later •A breeze is rare, even during storms Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 8. Shrub layer - scattered shrubs, saplings (young trees) and Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools ferns. Herb layer - a few non-woody, soft stemmed plants with thin leaves. Leaf litter - thin layer covers the forest floor. Soil layer - most roots growing the top 10 centimetres whether nutrients are found.
  • 9. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools Layers of the Rainforest Different animals and plants live in different parts of the rainforest. Scientists divide the rainforest into strata (layers) based on the living environment. Starting at the top, the strata are: •EMERGENTS: Giant trees that are much higher than the average canopy height. It houses many birds and insects. •CANOPY: The upper parts of the trees. This leafy environment is full of life in a tropical rainforest and includes: insects, birds, reptiles, mammals, and more. •UNDERSTORY: A dark, cool environment under the leaves but over the ground. •FOREST FLOOR: Teeming with animal life, especially insects. The largest animals in the rainforest generally live here.
  • 10. Emergents are the tallest trees and are usually over 50 metres tall. The Kapok tree is an example of an emergent. The sea of leaves blocking out the sun from the lower layers is called the canopy. The canopy contains over 50% of the rainforest wildlife. This includes birds, snakes and monkeys. Lianas (vines) climb to the canopy to reach this sun light. The under canopy mainly contains bare tree trunks and lianas. The shrub layer has the densest plant growth. It contains shrubs and ferns and other plants needing less light. Saplings of emergents and canopy trees can also be found here. The forest floor is usually dark and damp. It contains a layer of rotting leaves and dead animals called litter. This decomposes rapidly (within 6 weeks) to form a thin humus, rich in nutrients. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 11. The following plant adaptations enable tropical plants to live in the hot, humid, and wet conditions of the tropical rainforest. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 12. Plant Adaptations Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools 1. Bark In drier, temperate deciduous forests a thick bark helps to limit moisture evaporation from the tree's trunk. 2. Lianas Lianas are climbing woody vines that drape rainforest trees. They have adapted to life in the rainforest by having their roots in the ground and climbing high into the tree canopy to reach available sunlight. 3. Drip Tips The leaves of forest trees have adapted to cope with exceptionally high rainfall. Many tropical rainforest leaves have a drip tip. It is thought that these drip tips enable rain drops to run off quickly. Plants need to shed water to avoid growth of fungus and bacteria in the warm, wet tropical rainforest 4. Buttresses Many large trees have massive ridges near the base that can rise 30 feet high before blending into the trunk. Why do they form? Buttress roots provide extra stability, 6. Epiphytes Epiphytes are plants that live on the surface of other plants, especially the trunk and branches. They grow on trees to take advantage of the sunlight in the canopy 7. The trees don’t waste time growing branches as they could use this energy to grow faster and reach the sunlight first!
  • 13. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools Strong scent and bright colours of flowers attract insects which assist in pollination Strong scent of fruits attracts animals, which feed on the fruit and assist in dispersal of the seeds Thick, waxy surface of leaves protects against hot sun, heavy rain, and strong winds Aerial roots of epiphytes absorb moisture from the air Tall straight trunks no side branches Thin, smooth bark Buttress roots Shallow spreading root system
  • 14. Wide roots stop these enormously tall trees from falling over. They also wind above the ground looking for food and nutrients rather than digging beneath the ground where nutrients are scarce. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 15. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools These specially designed leaves allow all the rainwater to drip off the leaf quickly so it doesn’t get too heavy and break!
  • 16. Have their roots in the ground and then climb up the trees to reach the Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools sunlight.
  • 17. Rainforest plants And the enormous the number of different species of plants grow in rainforests, with many species occurring only in one particular region. Unlike other forests, rain forests have an abundance of : Epiphytes plants which live above the ground growing on tree trunks and branches, Example orchids, ferns, mosses Climbing plants including large woody climbers called lianas which are rooted in the soil and usually reach the canopy. The climbers twist around the tree trunks, and loop from one tree to another in the canopy, binding the trees together. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 18. Orchid - sun-loving roots attached themselves to branches and absorb nutrients Pitcher plant - a carnivorous plant. slippery rim Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools tendril Insects falling into the pitcher are digested, and nutrients which are released are absorbed by the plant. Parasitic plant
  • 19. Animals that Live in Rainforests: Ridiculously huge numbers of animals live in rainforests, including microscopic animals, invertebrates (like insects and worms), fish, reptiles, amphibians, birds, and mammals. The different rainforests of the world support different populations of animals. A few animals from each rainforest are listed below: Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools •South America - •insects (morpho butterfly, Julia butterfly, Monarch butterfly, and millions of other insects) •mammals (jaguar, ocelot, didelphid opossums, sloth, howler monkey, spider monkey, capybara, many bats, marmosets, procyonids, peccaries) •birds (quetzal, macaw, tinamous, curassows, hoatzins, hummingbirds, eagles, ovenbirds, antbirds, flycatchers, puffbirds, toucans, jacamars, tanagers, tapirs, troupials, honeycreepers, cardinal grosbeaks, xenops) •reptiles (anaconda, caiman, iguanas, lizards, microteiid lizards, boas, and coral snakes), amphibians (poison arrow frog, etc.) •fish (electric eel, piranha), and millions of other animals.
  • 20. The rainforests have a lot to offer…….. Tom Abbott, Biddulph High School and So everybody wants made available a through piece of the action! www.sln.org.uk/geography and only for non commercial use in schools
  • 21. The trees are being cut down at an alarming rate! Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 22. So why are the trees being removed………………… Settlements Mining Timber Cattle Ranching Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools
  • 23. So what does it mean for us? Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools Yummy McDonalds! Iron Ore to make steel Luxurious furntiture Exciting holidays!
  • 24. But it’s not all good news! Medicines from the rainforest will be lost! Trees release oxygen which we need to Tom Abbott, Biddulph High School and Burning the trees adds to global warming! made available through www.sln.org.uk/geography and only for non commercial use in schools breath! And what about the poor old animals?
  • 25. Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools