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Explain the observations on the survival of animal species through written or verbal forms, sketches, ICT in a creative way
Survival of Animal Species
Animals need to
protect themselves
to maintain the
survival of their species
. This is important to
prevent the extinction
of animals and for the
balance of the ecosystem
. An ecosystem is a community or group of living organisms that live in and interact with each other in a specific environment. The balance of the ecosystem will be affected if there is a significant population change in a habitat.
3.1
Survival of Animal Species
The survival of an animal species is the ability for animals to maintain their species to avoid extinction.
Animals have
special characteristics
and
special behaviors
to protect themselves from enemies.
Protection from enemies
Special characteristics
of the body of animals can protect them from enemies
Tortoises, turtles, snails have
hard shells
to protect their soft bodies
Bees, centipedes and wasps have
stings that can release venom
to hurt or kill the enemies
Horses, rabbits and frogs have
strong leg muscles
to move fast to escape themselves from the enemies
Bugs, beetles and cockroaches
emit a foul odor
causing the enemy not to approach it
The butterfly has a
pattern that resembles fake eyes
on its wings to deceive the enemy
The
sharp horns
found on deer, buffalo and gaur are used for self-defense
The
hard scales
found on crocodiles and Arapaima fish protect themselves from injury
Some animals have
special behaviors
to protect themselves from enemies
Porcupines will run into their burrows when they are attacked. If it fails to escape, the porcupines
will raise the sharp thorns on their bodies
to scare the enemy. The enemies who try to touch the porcupines's body will be pierced by the sharp thorns.
When feel threatened, the puffer fish
will inflate their bodies that have sharp spines
three times of their size to scare the enemy. Puffer fish are also
poisonous
Lizards and octopuses will
detach certain parts of their bodies
when attacked. This method will distract the enemy while the lizards and octopuses escape
Squid and octopus will
spurt out black ink
towards the enemy when attacked. Then, these animals will run away quickly to save themselves
The tortoises will
withdraw parts of their bodies into the shells
when they feel threatened
Pangolins, millipedes will
curl themselves
when they feel threatened
Elephants, ants
live in groups
to protect themselves and reduce the risk of being attacked by enemies
Protection from extreme weather
Some animals live in very hot and cold places
This extreme weather requires animals to have special characteristics and behaviors to protect themselves.
Characteristic
Description
Thick fur
Trap air to reduce heat loss so that the body stays warm
Examples:
Polar bear
Polar wolf
Hibernate
Prolonged inactivity/sleep to reduce movement & prevent from losing a lot of energy
Examples:
Polar bear
Artic fox
Thick layer of fat
Maintains body heat in very cold weather
Example:
Sea lion
Walrus
Short & dense feathers
The short & dense feathers make them waterproof, also serves as a thermal insulator and regulates body temperature
Example:
Penguin
Migration
Move seasonally to other places to breed and get food
Examples:
Whale
Stork
Wallow in water, mud
Cool the body during hot weather, avoiding insect or parasite bites
Examples
Buffalo
Hippopotamus
Hump
Reduces heat loss from the body due to very cold weather
Examples:
Sea lion
Walrus
Big earlobes
More heat can be released from the body due to hot weather
Example:
Desert fox
Desert rats
Animals protect their eggs
Animals lay eggs and protect them to ensure the survival of their species from enemies & extinction
There are several ways animals lay eggs and protects them from enemies
Ways animal protects their eggs
Hiding the eggs
Make a bushy nest, hide in a hidden place or in the soil
Examples:
Crocodile
Lizard
Grasshopper
Lay many eggs
Ensuring more of their youngs can live
Examples:
Mosquitoes
Flies
Turtles
Eggs covered in mucus, smelly
Causes eggs to stick to each other & form large & slippery clumps, making it difficult for other animals to eat them
Examples:
Frogs
Fishes
Incubate eggs
Incubate the eggs until they hatch
Examples:
Hens
Birds
Take care of the eggs
Circle the eggs & will attack the approaching animals
Examples:
Snakes
Hens
Crocodiles
Birds
Animals ensure the survival of their young
Animals breed and lay eggs to reproduce and keep their species alive
Animals protect their eggs and young in various ways
Mammals such as cats, rabbits and goats
care
and
suckle
their young until they are able to find their own food.
The joeys
suckle
and
grow fully in the parent pouch t
o ensure their safety
Crocodiles and talapia fish
carry their young in their mouths
while moving and looking for food
Chickens and monkeys will
attack
when their young are in danger
Animals such as birds will also
feed their young
after going out looking for food
Survival of Animal Species
Animals need to
protect themselves
to maintain the
survival of their species
. This is important to
prevent the extinction
of animals and for the
balance of the ecosystem
. An ecosystem is a community or group of living organisms that live in and interact with each other in a specific environment. The balance of the ecosystem will be affected if there is a significant population change in a habitat.
3.1
Survival of Animal Species
The survival of an animal species is the ability for animals to maintain their species to avoid extinction.
Animals have
special characteristics
and
special behaviors
to protect themselves from enemies.
Protection from enemies
Special characteristics
of the body of animals can protect them from enemies
Tortoises, turtles, snails have
hard shells
to protect their soft bodies
Bees, centipedes and wasps have
stings that can release venom
to hurt or kill the enemies
Horses, rabbits and frogs have
strong leg muscles
to move fast to escape themselves from the enemies
Bugs, beetles and cockroaches
emit a foul odor
causing the enemy not to approach it
The butterfly has a
pattern that resembles fake eyes
on its wings to deceive the enemy
The
sharp horns
found on deer, buffalo and gaur are used for self-defense
The
hard scales
found on crocodiles and Arapaima fish protect themselves from injury
Some animals have
special behaviors
to protect themselves from enemies
Porcupines will run into their burrows when they are attacked. If it fails to escape, the porcupines
will raise the sharp thorns on their bodies
to scare the enemy. The enemies who try to touch the porcupines's body will be pierced by the sharp thorns.
When feel threatened, the puffer fish
will inflate their bodies that have sharp spines
three times of their size to scare the enemy. Puffer fish are also
poisonous
Lizards and octopuses will
detach certain parts of their bodies
when attacked. This method will distract the enemy while the lizards and octopuses escape
Squid and octopus will
spurt out black ink
towards the enemy when attacked. Then, these animals will run away quickly to save themselves
The tortoises will
withdraw parts of their bodies into the shells
when they feel threatened
Pangolins, millipedes will
curl themselves
when they feel threatened
Elephants, ants
live in groups
to protect themselves and reduce the risk of being attacked by enemies
Protection from extreme weather
Some animals live in very hot and cold places
This extreme weather requires animals to have special characteristics and behaviors to protect themselves.
Characteristic
Description
Thick fur
Trap air to reduce heat loss so that the body stays warm
Examples:
Polar bear
Polar wolf
Hibernate
Prolonged inactivity/sleep to reduce movement & prevent from losing a lot of energy
Examples:
Polar bear
Artic fox
Thick layer of fat
Maintains body heat in very cold weather
Example:
Sea lion
Walrus
Short & dense feathers
The short & dense feathers make them waterproof, also serves as a thermal insulator and regulates body temperature
Example:
Penguin
Migration
Move seasonally to other places to breed and get food
Examples:
Whale
Stork
Wallow in water, mud
Cool the body during hot weather, avoiding insect or parasite bites
Examples
Buffalo
Hippopotamus
Hump
Reduces heat loss from the body due to very cold weather
Examples:
Sea lion
Walrus
Big earlobes
More heat can be released from the body due to hot weather
Example:
Desert fox
Desert rats
Animals protect their eggs
Animals lay eggs and protect them to ensure the survival of their species from enemies & extinction
There are several ways animals lay eggs and protects them from enemies
Ways animal protects their eggs
Hiding the eggs
Make a bushy nest, hide in a hidden place or in the soil
Examples:
Crocodile
Lizard
Grasshopper
Lay many eggs
Ensuring more of their youngs can live
Examples:
Mosquitoes
Flies
Turtles
Eggs covered in mucus, smelly
Causes eggs to stick to each other & form large & slippery clumps, making it difficult for other animals to eat them
Examples:
Frogs
Fishes
Incubate eggs
Incubate the eggs until they hatch
Examples:
Hens
Birds
Take care of the eggs
Circle the eggs & will attack the approaching animals
Examples:
Snakes
Hens
Crocodiles
Birds
Animals ensure the survival of their young
Animals breed and lay eggs to reproduce and keep their species alive
Animals protect their eggs and young in various ways
Mammals such as cats, rabbits and goats
care
and
suckle
their young until they are able to find their own food.
The joeys
suckle
and
grow fully in the parent pouch t
o ensure their safety
Crocodiles and talapia fish
carry their young in their mouths
while moving and looking for food
Chickens and monkeys will
attack
when their young are in danger
Animals such as birds will also
feed their young
after going out looking for food
Chapter : Animals
Topic : Explain the observations on the survival of animal species through written or verbal forms, sketches, ICT in a creative way
Year 5
Science
View all notes for Science Year 5
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Seed Dispersal
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Series Circuit & Parallel Circuit
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