Science Module Form 2 - Chapter 3
Classification of Animals
(Organisms with backbone)
(Organisms without backbone)
Vertebrates
Vertebrates
Warm- blooded
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Cold- blooded
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Science Module Form 2 - Chapter 3
Characteristics of Vertebrates
Characteristics
Habitats
(Land/ water)
Fish
Amphibians
Reptiles
Birds
Mammals
Body covered by
(scales/ moist skins/
hard dry scales/
feathers/ fur/ hair)
Types of blood
(warm-blooded/ coldblooded)
Breath through
(gills/ lungs)
Fertilization
(internal/ external)
Types of reproduction
(lay eggs/ give birth)
Examples
Invertebrates
Animal without jointed legs
Worm - like
Not worm- like
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Animals with jointed legs
Three pairs
of legs
Four pairs
of legs
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More than four
pairs of legs
Science Module Form 2 - Chapter 3
Classification of Plants
Flowering
Conifer
Characteristics
Monocotyledons
Fungi
Dicotyledons
Examples of plants
Type of seed
(1 cotyledon/ 2 cotyledons)
Type of leaf
( parallel- vein/ networkvein)
Type of root
(fibrous root / tap root)
Type of stem
(woody/ non-woody)
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Science Module Form 2 - Chapter 3
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Amphibians
Live both in water and
land
Moist skin
Cold-blooded
Breath through gills
when young
Breath through skin and
lungs at adult stage
External fertilization
Lay eggs
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Reptilia
Live both in water and
on land
Hard dry scales
Cold-blooded
Breath through lungs
Internal fertilization
Lay eggs
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Bird
Live on land
Have feathers
Warm blooded
Breath through lungs
Internal fertilization
Lay eggs with shells
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Mammals
Live on land
Body covered with hair
Warm-blooded
Breath through lungs
Internal fertilization
Give
birth
to young and
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produce milk for them.
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Fish
Live in water
Slimy scales
Cold-blooded
Breath through gills
External fertilization
Lay eggs
Word Express
 Cold –
blooded
Body
temperature
changes with
surrounding
temperature.
 Warm –
blooded
Has a
constant body
temperature.
 External
fertilization
Eggs are
fertilized
outside the
females body.
 Internal
fertilization
Eggs are
fertilized
inside the
females body.
Science Module Form 2 - Chapter 3
Exercise 3.1
1. Fill in the blanks.
Animals
Vertebrates
Fish
Invertebrates
Reptiles
Amphibians
Mammals
Birds
(a) Animals that have backbones are called ______________ and animals
that do not have backbones are called _______________.
(b) The groups of animals living in water and breathe by means of gills is the
____________.
(c) The groups of animals living on land are ____________ and
____________.
(d) The groups of animals living in water and on land are ____________ and
____________.
(e) Amphibians, fish and reptiles are ___________________ animals.
(f) Mammals and birds are ___________________ animals.
2. Choose the correct invertebrates from the list below to match the descriptions
of the characteristics.
Starfish
Lobster
Jelly fish
Centipede
Cockle
Grasshopper
Characteristics
(a) Have gills
(b) Spiny exoskeleton
(c ) 3 pairs of jointed legs
(d) Soft body protected by shell
(e) Jelly-like body with tentacles
(f) Four pairs of jointed legs
(g) Many legs
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Scorpion
Invertebrates
_____________________
_____________________
_____________________
_____________________
_____________________
_____________________
_____________________
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Science Module Form 2 - Chapter 3
3.
Vertebrates
Warm- blooded
Eagle
Cold- blooded
X
Y
Amphibians
Reptiles
(a) What do all the above animals have in common?
___________________________________________________________
(b) Name the animal groups X and Y
(i) X : ____________________________________________________
(ii) Y : ____________________________________________________
(c) Define the terms:
(i) Cold-blooded animals : _____________________________________
(ii) Warm-blooded animals : ____________________________________
(d) Name the animal groups that lay eggs without shell?
___________________________________________________________
(e) Which animal group does not breathe through lungs?
___________________________________________________________
4. Give the characteristics of a dicotyledon plant.
(a) Number of cotyledon
(b) Leaf vein pattern
(c )Type of root system
(d) Arrangement of flower parts
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_______________________
_______________________
_______________________
_______________________
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Science Module Form 2 - Chapter 3
5. Write the names of these non-flowering plants in the correct group.
Alga
Moss
Fern
6. Draw a leaf of a
Monocotyledon
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Dicotyledon
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Conifer
Science Module Form 2 - Chapter 3
7. The diagram shows the classification of animals.
Animals
Vertebrates
Fish
Invertebrates
Q
P
Mammals
R
(a) What are
(i) Vertebrates
(ii) Invertebrates
: __________________________________________
: __________________________________________
(b) Name the groups labeled as
(i) P : ____________________________________________________
(ii) Q : ____________________________________________________
(iii) R : ____________________________________________________
(c) Mammals are warm-blooded animals but fish are cold-blooded animals.
Explain the meaning of
(i) warm-blooded
(ii) cold-blooded
: __________________________________________
: __________________________________________
8. Diagram 1 shows three animals.
Diagram 1
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Science Module Form 2 - Chapter 3
(a) Name the class of these animals.
___________________________________________________________
(b) Give four characteristics of the group of animals.
(i) ________________________________________________________
(ii) ________________________________________________________
(iii) ________________________________________________________
(iv) ________________________________________________________
(c) These animals are warm-blooded. Name the other class of animals which
are also warm-blooded.
___________________________________________________________
9. Based on Diagram 2 below, answer the following questions.
Diagram 2
(a) Name the groups of :
(i) X : ____________________________________________________
(ii) Y : ____________________________________________________
(b) Define the following terms:
(i) Monocotyledons : __________________________________________
(ii) Dicotyledons
: __________________________________________
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Science Module Form 2 - Chapter 3
(c) State three differences between plants in Group X and plants in Group Y.
(i) ________________________________________________________
(ii) ________________________________________________________
(iii) ________________________________________________________
(d) Complete the following table
Monocotyledons
Differences
Leaves
Roots
Stems
Number of petals
Number of cotyledon
Dicotyledons
10. Diagram shows the classification of plants.
Plants
Flowering
X
Example :
Maize plant
Non-flowering
Y
Example :
Plant Z
Moss
Algae
P
(a) What is represent by Y?
___________________________________________________________
(b) State three characteristics of plant Z?
(i) ________________________________________________________
(ii) ________________________________________________________
(iii) ________________________________________________________
(c) What is represented by P?
___________________________________________________________
(d) How does P reproduce?
___________________________________________________________
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Conifer
Science Module Form 2 - Chapter 3
11. The diagram shows four animals labeled as T, U, V and W.
(a) Based on your observation of animals T, U, V and W .
State the characteristics of the body covering of the animal :
(i) T - _____________________________________________________
(ii) U - _____________________________________________________
(iii) V - _____________________________________________________
(iv) W - _____________________________________________________
(b) Classify the animals T, U, V and W according to their ways of fertilization.
T, U, V and W
Type of fertilization
Name of animals
i
i
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ii
ii
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Science Module Form 2 - Chapter 3
12. The diagram below shows four different types of animals.
(a) What is the common classification used to group all these animals
together.
___________________________________________________________
(b) Give two common characteristics that can be used to classify these
animals into smaller groups.
(i)
(ii)
_____________________________________________________
_____________________________________________________
(c) Classify the animals based on similar characteristics they have and give
example of the animals based on the diagram above. Fill in the spaces
provided.
L, M, N and O
Similar
characteristics
Examples of animals
i
i
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ii
ii
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Science Module Form 2 - Chapter 3
13. Diagram shows a picture of animals P, Q, R, S and T.
Based on your observation in the diagram,
(a) State one characteristic of any four of the animals P, Q, R, S and T.
P
Q
R
S
T
: ____________________________________________________
: ____________________________________________________
: ____________________________________________________
: ____________________________________________________
: ____________________________________________________
(b) Classify the above animals into two groups based on common
characteristics. Name the animals belonging to each group.
Animal
Common
characteristics
Name of
animal
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Science Module Form 2 - Chapter 3
14. The diagrams below show four type of Malaysian fruit.
(d) Based on your observation of the pictures above, classify the seeds of the
fruits into two groups and write the examples in the table below.
Classification of seeds
Examples based on pictures
above
i.
i.
ii.
ii.
(e) Give four characteristics of the plants germinated from the seeds of one of
the classified groups mentioned above.
(i) ________________________________________________________
(ii) ________________________________________________________
(iii) ________________________________________________________
(iv) ________________________________________________________
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Science Module Form 2 - Chapter 3
15. The diagram shows six animals.
(a) State one similarity among all the six animals.
___________________________________________________________
(b) State three characteristics that can be used to classify the animals.
(i) ________________________________________________________
(ii) ________________________________________________________
(iii) ________________________________________________________
(c) Classify the animals based on the similar characteristics that can be
observed by filling in the spaces provided below.
Animals
(i) Similar characteristics
(iiii) Similar characteristics
(ii) Examples of animals
(iv) Examples of animals
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Science Module Form 2 - Chapter 3
16. The diagram shows pictures of several parts of plants.
Look at the parts of plants in the diagram.
(a) State one characteristic of any four of the following parts.
U
V
W
X
Y
Z
: ______________________________________________________
: ______________________________________________________
: ______________________________________________________
: ______________________________________________________
: ______________________________________________________
: ______________________________________________________
(b) Classify U, V, W , X, Y and Z into two groups based on their common
characteristics.
U, V, W, X, Y and Z
Group
Part of plant
i
i
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ii
ii
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Science Module Form 2 - Chapter 3
17. The diagram shows a picture of animals J, K, L, M and N.
Based on your observation in the diagram,
(a) State one characteristic of any four of the animals J, K, L, M and N.
J
K
L
M
N
: ____________________________________________________
: ____________________________________________________
: ____________________________________________________
: ____________________________________________________
: ____________________________________________________
(c) Classify the above animals into two groups based on common
characteristics. Name the animals belonging to each group.
J, K, L, M and N
Common
characteristics
Animals
i
i
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ii
ii
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