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Transcript
Adaptations
Name:
Consolidation Worksheet
Class:
1
Date:
What Are Adaptations?
Adaptations can be broadly classified into behavioural adaptations and structural
adaptations. Study the pictures and descriptions of the animals below carefully
and match them with the type(s) of adaptation these animals have.
The modified body
of a stick insect
allows it to hide
from predators.
A Fennec fox
hibernates during
the long cold
winter months.
Structural adaptation
A chameleon
changes colour
to attract a mate.
Behavioural adaptation
Geese migrate
to warmer
countries to
escape winter.
The oar-like
legs of a water
boatman help
propel it in water.
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
285
Adaptations
Name:
Class:
Consolidation Worksheet
2
Date:
How Are Animals Adapted to
Their Environment?
Classify the animals below according to how they breathe in water in the
table provided.
Humpback whale
Tadpole
Shrimp
Water boatman
Wriggler
Dolphin
Water scorpion
Great diving beetle
Methods of breathing in water
Air bubble
286
Additional Teacher’s Resources
Gills
Lungs
Breathing tube
© 2012 Alston Publishing House Pte Ltd
Adaptations
Name:
Class:
Consolidation Worksheet
3
Date:
How Are Plants Adapted to Their Environment?
Seeds are dispersed from their parent plants mainly by these four methods:
• Byanimals
• Bywind
• Bywater
• Bysplitting
Study the plants and seeds below and write down below each picture the
method by which the seeds are dispersed from the parent plant.
Burdock
Saga seeds
Maple seeds
Coconut
Raspberries
Lallang
Apples
Mangrove seedling
Squirting cucumber
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
287
Adaptations
Name:
Class:
Consolidation Worksheet
Date:
4
How Are Different Organisms Suited
to Their Habitats?
The grassland is a warm and dry habitat. Fill in the blanks below to describe
how each organism has adapted to surviving in this environment.
Acacia trees
Acacia trees have long
that
grow deep underground. The trees have
developed long sharp
to
discourage animals from eating their leaves.
Cheetah
The cheetah has powerful
that enable it to run fast to catch its prey. Its
body also
with its surroundings
so that it is unseen by its prey. Its sharp
and
can grip
and tear the flesh of its prey easily.
Zebra
The zebra eats
that grows in
abundance in this habitat. The
on its body help it to blend in with its
surroundings. It confuses its predators by
living in a
with other zebras
as protection.
288
Additional Teacher’s Resources
© 2012 Alston Publishing House Pte Ltd
Adaptations
Name:
Class:
Fun and
Games
Date:
Crossword Puzzle!
Complete the crossword puzzle using the clues given below.
1
2
3
4
6
5
7
8
9
10
12
© 2012 Alston Publishing House Pte Ltd
11
13
Science SMART Teacher’s Guide Grade 6
289
Down:
1. A
adaptation refers to the way an organism behaves to stay alive in its
environment.
body that helps it to move quickly in water.
3. The penguin has a
4. Animals that breathe through
can take in oxygen from the water.
that enables the leopard to hide from
5. Leopard spots make an excellent
unsuspecting prey.
6. The leaves of most aquatic plants are waxy to keep them
.
, reducing their body weight.
9. The bones of birds that can fly are
11. The pea plant uses its
that coil to climb structures for support.
are usually small and light.
13. Seeds that are dispersed by
Across:
2. When a brown bear
during winter, it goes into a deep sleep where its
heart rate slows down and its body temperature drops.
7. Salmon are fish that live in the sea and
to fresh water to reproduce.
8. A
adaptation refers to a physical feature of an organism that helps it to
survive in its environment.
10. When a butterfly gets nectar from flowers, it also helps to
the flowers.
12. The whale has a
at the top of its head through which it breathes in air.
290
Additional Teacher’s Resources
© 2012 Alston Publishing House Pte Ltd
Adaptations
Name:
Class:
Date:
Exam Practice
Process skills: Observing, Analysing
Ari tried to grow Plant X, shown below, in a desert. The plant died a few days later.
Plant X
A few
days
later
a. State two features of Plant X that made it unsuitable for surviving in the
desert.
[2 marks]
b. Explain your answer in ‘a’.
2 marks]
Hint:
How do the features mentioned
in ‘a’ affect Plant X in terms
of its tendency to lose water to
the surroundings and its ability
to absorb water?
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
291
1
Class:
Date:
Additional Teacher’s Resources
The oar-like
legs of a water
boatman help
propel it in water.
Geese migrate
to warmer
countries to
escape winter.
A chameleon
changes colour
to attract a mate.
A Fennec fox
hibernates during
the long cold
winter months.
The modified body
of a stick insect
allows it to hide
from predators.
Behavioural adaptation
Structural adaptation
Adaptations can be broadly classified into behavioural adaptations and structural
adaptations. Study the pictures and descriptions of the animals below carefully
and match them with the type(s) of adaptation these animals have.
What Are Adaptations?
Consolidation Worksheet
Name:
Adaptations
Answers to Additional Teacher’s Resources
Chapter 4
292
© 2012 Alston Publishing House Pte Ltd
2
Class:
Date:
Dolphin
Shrimp
Gills
Shrimp
Tadpole
Water boatman
Great diving beetle
Humpback whale
Dolphin
Lungs
Methods of breathing in water
Air bubble
Water scorpion
Water boatman
Humpback whale
Wriggler
Water scorpion
Breathing tube
Great diving beetle
Wriggler
Tadpole
Classify the animals below according to how they breathe in water in the
table provided.
How Are Animals Adapted to
Their Environment?
Consolidation Worksheet
Name:
Adaptations
Answers to Additional Teacher’s Resources
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
293
3
Class:
Date:
By animals
Mangrove seedling
By water
By water
Apples
By animals
By splitting
Squirting cucumber
By wind
Lallang
By wind
Maple seeds
Adaptations
Answers to Additional Teacher’s Resources
Raspberries
By splitting
By animals
Coconut
Saga seeds
Burdock
Study the plants and seeds below and write down below each picture the
method by which the seeds are dispersed from the parent plant.
Seeds are dispersed from their parent plants mainly by these four methods:
• Byanimals
• Bywind
• Bywater
• Bysplitting
How Are Plants Adapted to Their Environment?
Consolidation Worksheet
Name:
Adaptations
4
Class:
Date:
roots
Acacia trees have long
that
grow deep underground. The trees have
thorns
to
developed long sharp
discourage animals from eating their leaves.
Zebra
Answers to Additional Teacher’s Resources
grass
The zebra eats
that grows in
stripes
abundance in this habitat. The
on its body help it to blend in with its
surroundings. It confuses its predators by
group
with other zebras
living in a
as protection.
legs
The cheetah has powerful
that enable it to run fast to catch its prey. Its
body also camouflages with its surroundings
so that it is unseen by its prey. Its sharp
teeth
claws
and
can grip
and tear the flesh of its prey easily.
Cheetah
Acacia trees
The grassland is a warm and dry habitat. Fill in the blanks below to describe
how each organism has adapted to surviving in this environment.
How Are Different Organisms Suited
to Their Habitats?
Consolidation Worksheet
Name:
Adaptations
Crossword Puzzle!
Class:
Additional Teacher’s Resources
8
S
6
R
B
L
A
M
13
7
E
O W
I
R
B
F
O
9
O
H
G
N
I
T
3
D
E
N
I
L
M
A
E
R
T
S
A
11
R
D
N
E
T
S
L
E
G
A
L
F
U
O
M
A
C
E
I
L
5
T
N
O
W
L
R
A
Date:
D
H
P
S
L
L
I
G
10
4
R
L
12
U
I
L
L
P
T
H
R
A
R
C
2
O
R
E
U
O
A
T
I
V
A
H
E
B
W
1
Complete the crossword puzzle using the clues given below.
Fun and
Games
Name:
Adaptations
E
Answers to Additional Teacher’s Resources
Chapter 4
294
© 2012 Alston Publishing House Pte Ltd
Across:
during winter, it goes into a deep sleep where its
2. When a brown bear
heart rate slows down and its body temperature drops.
to fresh water to reproduce.
7. Salmon are fish that live in the sea and
8. A
adaptation refers to a physical feature of an organism that helps it to
survive in its environment.
the flowers.
10. When a butterfly gets nectar from flowers, it also helps to
12. The whale has a
at the top of its head through which it breathes in air.
Down:
adaptation refers to the way an organism behaves to stay alive in its
1. A
environment.
body that helps it to move quickly in water.
3. The penguin has a
4. Animals that breathe through
can take in oxygen from the water.
that enables the leopard to hide from
5. Leopard spots make an excellent
unsuspecting prey.
.
6. The leaves of most aquatic plants are waxy to keep them
, reducing their body weight.
9. The bones of birds that can fly are
that coil to climb structures for support.
11. The pea plant uses its
are usually small and light.
13. Seeds that are dispersed by
Answers to Additional Teacher’s Resources
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
295
Class:
Date:
A few
days
later
2 marks]
the ground.
Adaptations
were not able to absorb enough water from
of water in the desert heat. The short roots
How do the features mentioned
in ‘a’ affect Plant X in terms
of its tendency to lose water to
the surroundings and its ability
to absorb water?
Hint:
Answers to Additional Teacher’s Resources
The large leaves caused the plant to lose a lot
b. Explain your answer in ‘a’.
Large leaves and short roots.
a. State two features of Plant X that made it unsuitable for surviving in the
desert.
[2 marks]
Plant X
Ari tried to grow Plant X, shown below, in a desert. The plant died a few days later.
Process skills: Observing, Analysing
Exam Practice
Name:
Adaptations
Glossary
Chapter 4:
Adaptations
AdaptationA special characteristic that an organism has so that it can survive
in its habitat
Behavioural
adaptation
The way an organism acts or behaves to survive in its habitat,
such as living in groups
BlowholeA hole found on the top of the heads of some aquatic animals
that they breathe through
Breathing tube
A tube used by some aquatic animals to take in air
CamouflageAn organism’s ability to blend its body colour, shape or texture to
match its surroundings
Climbers
Plants that climb onto supports using their clasping roots
CreepersPlants that have long and thin stems which grow on the surface of
the ground
HibernateTo enter an inactive state in which most body functions are slowed
down to conserve energy so as to survive a period of time when
food is scarce, especially during winter
StreamlinedA body shape which many aquatic animals and birds have
that allows them to overcome water resistance or air resistance
respectively so that they can move with greater speed and ease
Adaptations
MigrateTo move from one location to another periodically or seasonally
Structural
A physical feature of an organism which helps it to survive in its
adaptationhabitat
Tendrils
odified leaves which certain plants have that help them hook
M
onto a support so that they can climb vertically to get more
sunlight
VenomA poisonous substance secreted by animals, such as certain types
of snakes and scorpions, usually transmitted through bites or stings
© 2012 Alston Publishing House Pte Ltd
Science SMART Teacher’s Guide Grade 6
297