C environment and feeding relationships 1

8/7/2019 C environment and feeding relationships 1

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Year 7Year 7Environment andEnvironment andFeedingFeedingRelationshipsRelationships


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Obj ectivesObj ectivesIn todays lesson you will learn:In todays lesson you will learn:

Ab out the differentAb out the different ha b itatsha b itats

organisms live in.organisms live in.How to descri b e theHow to descri b e the environmentenvironment of of different ha b itats.different ha b itats.

Ab out the specialAb out the special adaptationsadaptations thatthatorganisms have to help them live inorganisms have to help them live intheir ha b itat.their ha b itat.


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Key wordsKey words

HabitatHabitatMicroha bitatMicroha bitatEnvironmentEnvironmentAdaptedAdaptedAdaptationAdaptationCommunityCommunity


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HabitatsHabitats

What is a ha bitat?What is a ha bitat?

The place where an organism lives isThe place where an organism lives iscalled a ha bitat.called a ha bitat.

Here are some examples of ha bitatsHere are some examples of ha bitats


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PondPond


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WoodlandWoodland


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HedgeHedge


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D ifferent organisms live inD ifferent organisms live indifferent ha bitats.different ha bitats.

Can you name two organisms forCan you name two organisms foreach of the ha bitats?each of the ha bitats?


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PondPond


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A frog is an amphi bian because itA frog is an amphi bian because it

lives in water and on land.lives in water and on land.


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Fish live and breathe in water.Fish live and breathe in water.

This is a stickle back.This is a stickle back.


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Pond skaters live onPond skaters live onthe water surface.the water surface.


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Ducks are birds that have waterproof Ducks are birds that have waterproof feathers. They live on a pond and on land.feathers. They live on a pond and on land.


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WoodlandWoodland


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BirdsBirds

B irds, suchB irds, suchas this ro b in,as this ro b in,make theirmake theirnests in treesnests in treesand hedges.and hedges.


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A badger makes its home under the ground. It sleepsA badger makes its home under the ground. It sleeps

during the day and is awake atduring the day and is awake at nightnight ..


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O wlO wl

A n Owl is aA n Owl is ab ird thatb ird that

sleeps duringsleeps duringthe day and isthe day and isawake atawake at

nightnight ..


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HedgeHedge


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A hedgehog is a prickly mammalA hedgehog is a prickly mammal

that sleeps through the winter.that sleeps through the winter.


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Mice areMice aresmallsmallfurryfurrymammals.mammals.


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A rabbit burrows under the groundA rabbit burrows under the groundto make a warren to live in.to make a warren to live in.


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EnvironmentEnvironment

The word environment is used toThe word environment is used todescri be what a ha bitat is like.descri be what a ha bitat is like.

For example, a desert is dry and hotFor example, a desert is dry and hotduring the day.during the day.


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AdaptationsAdaptationsA daptations are features whichA daptations are features whichorganisms have that help themorganisms have that help themsurvive in their ha b itatsurvive in their ha b itat

Here are some examples Here are some examples


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Dromedary camel, Arabian camel, oneDromedary camel, Arabian camel, one- -humped camelhumped camel


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Habitat: They live South West Asia and North AfricaHabitat: They live South West Asia and North Africadesert regions. They are also live in Australia.desert regions. They are also live in Australia.They live for 40They live for 40- -50 years.50 years.

Length: 2.2Length: 2.2--3.4m, Tail length: 50cm, Height at hump:3.4m, Tail length: 50cm, Height at hump:1.91.9--2.3m, Weight: 4502.3m, Weight: 450- -550kg550kg


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A camels habitat is a desertA camels habitat is a desert


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Adaptations: They are desert animals and have numerousAdaptations: They are desert animals and have numerousadaptations for life in an arid ha bitat.adaptations for life in an arid ha bitat.

1.1. The hump stores fat, which they are a ble to draw upon for water.The hump stores fat, which they are a ble to draw upon for water.2.2. They have we bbed feet (to prevent sinking in the sand);They have we bbed feet (to prevent sinking in the sand);3.3. They can close their nostrils and they have a dou ble row ofThey can close their nostrils and they have a dou ble row of

eyelashes to keep out the sand.eyelashes to keep out the sand.4.4. They can endure long periods without drinkingThey can endure long periods without drinking - - up to 17 days.up to 17 days.5.5. When they do drink, they can take up to 136 litres (30 gallons) atWhen they do drink, they can take up to 136 litres (30 gallons) at

a time. By producing dry faeces and little urine, they can conservea time. By producing dry faeces and little urine, they can conservewater.water.

6.6. Their body temperature can rise 6Their body temperature can rise 6--8 degree Celsius before8 degree Celsius beforesweating.sweating.


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The polar bear is the largest land carnivore and has a reputation as the onlyThe polar bear is the largest land carnivore and has a reputation as the onlyanimal that actively hunts humans.animal that actively hunts humans.

Live up to 25 years.Live up to 25 years.

Body length: male: 240Body length: male: 240- -260cm, female: 190260cm, female: 190- -210cm. Weight: male: 400210cm. Weight: male: 400- -600kg,600kg,female: 200female: 200- -300kg. They are the largest species of bear and the largest land300kg. They are the largest species of bear and the largest landcarnivore.carnivore.

HabitatHabitatThey spend most of their time on Arctic ice floes, and when they are on theThey spend most of their time on Arctic ice floes, and when they are on theshore they remain near the water. Polar bears are found throughout theshore they remain near the water. Polar bears are found throughout theArctic.Arctic.

Adaptations: They are strong swimmers and have many adaptations for an aquaticAdaptations: They are strong swimmers and have many adaptations for an aquaticenvironmentenvironment

1.1. They are well insulated with fat,They are well insulated with fat,2.2.

Their nostrils close and their ears are held close to their head whenTheir nostrils close and their ears are held close to their head whenunderwater.underwater.3.3. Their feet are partially we bbed.Their feet are partially we bbed.4.4. They have a remarka ble sense of smell and can detect a carcass from 3kmThey have a remarka ble sense of smell and can detect a carcass from 3km

away.away.5.5. They have large, furry feet that act as snowshoes.They have large, furry feet that act as snowshoes.6.6. Their creamyTheir creamy--white fur is dense and waterwhite fur is dense and water- -repellent, ena bling them to shakerepellent, ena bling them to shake

dry after swimming.dry after swimming.


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C environment and feeding relationships 1

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