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KS2 & 3 Biomes

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Nesta Jarville

on 1 March 2015

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Transcript of KS2 & 3 Biomes

Aquatic
Water covers nearly 75% of the Earth’s surface.
Aquatic regions house numerous species of plants and animals, both large and small.
Without water, most life forms would be unable to survive and the Earth would be a barren, desert-like place.
Desert
Deserts cover about one fifth of the Earth’s surface and occur where rainfall is less than 50 cm/year.
Forest
Today, forests occupy approximately one-third of Earth’s land area, account for over two-thirds of the leaf area of land plants, and contain about 70% of carbon present in living things.
Grassland/Savanna
Savanna is grassland with scattered trees.
Biomes
There are 5 main types of biomes
1. Aquatic
2. Desert
3. Forest
4. Grassland
5. Tundra

Tundra
Tundra is the coldest of all the biomes.

Tundra comes from the Finnish word tunturia, meaning treeless plain.
There are 2 basic aquatic biomes
Fresh water
Marine or Sea water
There are different types of freshwater regions
ponds and lakes
streams and rivers
wetlands
We are going to look at ponds and lakes
Axolotls and Claw toed Frogs live in lakes
Axolotls come from lakes in just one area near Mexico city.
African Clawed Frog
African clawed frogs have the ability to change their appearance to match their background. They can become dark, light, or mottled.
The front limbs are small with un-webbed fingers that are used to push food into the mouth.
There are few large mammals in deserts because most are not capable of storing sufficient water and withstanding the heat.
Deserts often provide little shelter from the sun for large animals.
The dominant animals of warm deserts are reptiles.
Mammals are usually small, like the kangaroo mice of North American deserts.
Some examples of lakes in Mexico and Africa
Animals that live in deserts need to adapt to several things
heat
lack of water
poor vegetation
At 6 years old Frank the tortoise is a lot bigger than he would be in the wild because he has easy access to healthy food.
Django and Carmen blend in with the desert because of their sandy colours and the texture of their skin
In the wild, Sonic the hedgehog would eat anything from worms to frogs and fruit
His spines are made from the same material as hair and when he is threatened he curls up, making the skin taut and the spines rigid, stopping predators from eating him.
Charlotte the tarantula lives in desert and scrub land.
There are about 850 species worldwide and they are found in every continent.
Her body is covered in hairs that sense smells and vibrations and contain a mild poison to irritate predators.
His shell grows as he does
There are 3 main types of forest
Boreal
Temperate
Rainforest
Boreal forests grow in very cold climates.

Summers are short.
Winters are long, cold and dry.
Temperate forests contain a lot of deciduous trees.
These lose their leaves in winter.

It rains at any time of the year.
Tropical forests have the greatest diversity of species. They occur near the equator.
One of the major characteristics of tropical forests is their distinct seasonality: winter is absent, and only two seasons are present (rainy and dry).

The length of daylight is 12 hours and varies little.
Gene, the blue tongued skink moves around on the floor and hunts for small animals such as mice and frogs and insects such as snails.
His legs are too small to carry him so he cannot climb but they help him move through the undergrowth and rotting debris.
The leopard geckos also live on the forest floor but their legs allow them to climb rocks and fallen trees.
They mainly eat insects such as crickets.
Gordon and Julie the crested geckos live in trees in the rainforest. They can climb anything including glass.
His tongue is blue to ward off predators. He can lose his tail if he is caught and needs to escape.
They were first discovered in 1866 and were presumed extinct as they had not been seen or collected for
over a century.
They were rediscovered in 1994
The tree frogs can climb anything including glass.
They eat crickets and other insects.
These are named White's tree frogs after John White who first discovered the species in 1790.
They are also called waxy tree frogs because they feel like wax.
Another name is dumpy tree frogs because they look chubby.
Rango and Bagheera the panther chameleons live in trees and eat insects.
Sometimes they eat vegetation.
They change colour to tell each other their moods and to blend in with the background.
The parrots all live in the rain forest but in different areas of the world.
They can copy most sounds.
Each group of parrots has its own sounds to communicate but they also copy the sounds of any nearby groups, even of different breeds.
Parrots are omnivorous and eat everything from seeds and fruits to insects and small lizards or mice.
Boa constrictors like Tina, Ike and Anna-Mae live low down in the rain forest. They like hiding under rocks and fallen branches but also climb.
They don't climb far because they could hurt themselves if they fall. They are heavy so branches that are high up cannot hold them without breaking.
The sugar gliders live in trees and use the flaps between their legs to glide between trees.
They are marsupials which means they hold their babies in pouches like kangaroos.
Pascal the chameleon may like hair but he lives in trees in sub tropical forests.
This is not rain forest but where trees are more spaced out and on the edge of savannas
Climate is the most important factor in creating a savanna.
Savannas of one sort or another cover
almost half the surface of Africa
(about five million square miles, generally central Africa)
They also cover large areas of
Australia
South America
India
They are always found in warm or hot climates where the annual rainfall is from about (20-50 inches) per year.
The rainfall happens in six or eight months of the year, followed by a long period of drought when fires can occur.
Rabbits live in grassland around the world.
In some areas they have been introduced and are breeding out of control.
This is because they adapt well to any grassland.
They burrow to protect them from predators
They live in communities and work well together
they can survive by eating a range of vegetation
Corn snakes live in grassland.
They can hide and escape easily in the vegetation.
Sometimes they climb in trees or bask on rocks
Corn snakes eat mice and rats
Royal pythons also live in the savanna
They are also called ball pythons because they spend a lot of time rolled up in a ball, hiding from predators and ready to catch passing small rodents and mammals
Bosc monitors live in the savanna, usually near rivers
They are good swimmers and can climb a little
Diablo is related to the komodo dragon but does not carry the same deadly bacteria in his mouth
Cane toads live at the edge of lakes and ponds
They adapt well and have very few predators
When they are caught they release a bad tasting liquid so they usually escape
They are now a pest in Australia where a few hundred were released.
Now there are millions
The chinchilla has the most hair follicles per square inch of any animal
Oscar lives in a dry but very cold area high in the mountains

Thank you for watching
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