lesson 11 -students

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Name of Student : ___________________________

Teacher’s Name : MR. CHRIS

Class : F2A1

Lesson No. : 11

Date : 10 – APRIL - 2013

Time : 12.15PM –

2.00PM

SEKOLAH MENENGAH SERI OMEGA, JOHOR BAHRU

Subject : Science

Chapter / Topic : 3.0 Biodiversity

Sub-Topic : 3.1 Understanding variety of living organisms and their classification.

What is biodiversity?

1. The living things found on Earths are __________, __________ and _________.

2. A living thing is known as an o___________

3. Animals and plants have various shapes, ________ and __________.

4. The differences that exists between the same species of living things are called

variations/ diversity of life/ or ____________.

Habitat of living things

1. A natural place where plants and animals live is called a ________.

2. Different animals and plants live in different habitats.

3. A habitat is important to an organism because

a. It provides the organism with ________.

b. P___________

c. Space for b__________

HABITAT of living things Animals Plants

Bird Lotus

Snake Mushroom

Amoeba Durian tree

Whale Duckweed

Camel Coconut tree

Termite Cactus



Classification of Living Organism

1. Classification of living organism such as p_______ and a_______ can be done

based on their __________ characteristics.

2. A __________ system is required to group living things methodically because of

their large n_______ and t________.

3. Although they possess common characteristics, organisms from the same species

still have _________ characteristics which d__________ them from other species.

4. Classification is important to enable more in-depth scientific studies to be carried out

for the improvement of the species themselves.

5. Examples of classification of animal based on their h________ and their b________

organs are shown below.

Classification of animals

Habitat Breathing organs

Land water Water &

Land

Gills Lungs Moist Skin

Examples

Eagle Turtle

Toad

Crab Cow

Classification of Animals

1. Groups of animals can be classified according to similarities in ____________,

____________ and s____________.

2. Common characteristics are characteristics that are possessed by ______ or more

types of species.

3. Common characteristics in animals include methods of r________, types of food

_________ and physical ___________.

4. Classification of animals by common characteristics:

Characteristic of animal Examples

Live in water

Live on land



Live in water & on land

Reproduces by laying eggs

Reproduces by giving birth

Herbivorous

Carnivorous

Omnivorous

Body covered with hair

Body covered with feathers

Body covered with scales

5. Animals can be classified into 2 big groups:

a. Animals with backbones

b. Animals without backbones

6. Animals with backbones are known as _______________

7. Animals without backbones are known as _____________



8. Vertebrates are divided into 5 main groups. The 5 main groups are:

a. Fish

b. B______

c. Mammals

d. R_______

e. Amphibian

Vertebrates

with _________

Main support is

_________ which

consists of _____

Invertebrates

without

__________

Main support is ________ such as

hard _____ and

____________

ANIMALS

vertebrates

fish amphibians reptiles mammals birds

invertebrates



9. Classification of vertebrates and their characteristics:

a. FISH

Characteristics of fish:

1. Habitat : ________

2. Type of blood: _______-blooded ( poikilothermic ) – ______ temperature change

according to the temperature of the _________.

3. Characteristics of body: streamlined; covered by _______scales; moves using ____

and tails

4. Breathing organ: _______

5. Method of reproduction: Lays eggs ( except sharks and _________ – give birth to

_______)

6. Type of fertilization : _________ fertilization

7. Examples are fish and _____



b. BIRD

Characteristics of birds:

1. Habitat : ________

2. Type of blood: _________-blooded ( homoiothermic ) – ______ body temperature

3. Characteristics of body:

i. covered by _______

ii. have _______

iii. legs covered with dry _______

iv. move using wings and ______

4. Breathing organ: ________ 5. Method of reproduction:

i. Lays _______

ii. Eggs have _______

6. Type of fertilization : _______ fertilization

7. Examples are bird and _________



c. REPTILE

Characteristics of reptiles:

1. Habitat : water and ______

2. Type of blood: _______-blooded ( poikilothermic )

3. Characteristics of body: covered by dry and ______ scales , move using _____ and

________

4. Breathing organ: _______

5. Method of reproduction:i. Lay ______

ii. Eggs have ________ ( rattle snakes give bith to young)

6. Type of fertilization : _________ fertilization

7. Examples are snakes and crocodiles



d. AMPHIBIANS

Characteristics of amphibians:

1. Habitat : _______ ( the young ones ) and ______ ( adults )

2. Type of blood: ______-blooded ( poikilothermic )

3. Characteristics of body: covered by _______ skin ; moves with _______ and tails

4. Breathing organ:

i. _______( tadpole stage )ii. ________ ( adult stage )

iii. ________ ( adult stage )

5. Method of reproduction:

iii. Lay _______

iv. Eggs have ______ shells

6. Type of fertilization : __________ fertilization

7. Examples are toad and frog



e. MAMMALS

Characteristics of mammals:

1. Habitat : ______ ( whales and ________ are 2 exceptions)

2. Type of blood: _______-blooded ( homoeothermic )

3. Characteristics of body:i. covered by fur or _______

ii. have external ______

iii. have sweat ________

iv. have _________( milk) glands ( produce milk for young )

v. move using ______.

4. Breathing organ: ________

5. Method of reproduction: Give birth to _______ ( except platypuses and ________)

6. Type of fertilization : ________ fertilization

7. Examples are cat, rabbit and goat

Unusual characteristics of some mammals

1. Bats – have ______ and ______ like birds

2. Whales and __________ – live in water like fish

3. Pangolin – lays ______ and have ______ like ducks

4. Platypus – lays ______ and have ______ like ducks

5. Porcupines – the body is covered with _______ for protection.



6. Kangaroos and koalas – raise the young in their __________.

Invertebrates

1. Invertebrates are generally animals without _________

2. The support system of invertebrates consists of:

a. __________ such as hard shell. Examples are crabs, prawns and centipede

b. __________ frame. Examples are earthworms, caterpillar and planarians

3. Generally, the physical characteristics of invertebrates are much more ________

than vertebrates.

4. Most _________ are invertebrates. For examples, coelenterates ( Hydra and

Jellyfish) and protozoa ( _____________and Amoeba ).

5. Invertebrates also can be broadly classified into 2 groups. The 2 groups are:

a. With _________legs

b. ________________ legs

Invertebrates

Invertebrates with jointed legs Invertebrates without jointed legs

Example



Exercises

1. Diagram 2 shows the classification of vertebrates.

(a) What groups do M and N represent? Label M and N on Diagram 2.

[2 marks]

(b) State one difference between group M and group N.

……………………………………………………………………………………………………………

………………………………………………………………………………………….. [1 mark ]

(c) Name one group of vertebrate which is cold-blooded.

………………………………………………………………………………………………………

[1 mark ]

(d) Which group of vertebrates has feathers?

……………………………………………………………………………………………… [1 mark ]

(e) Which group of vertebrate gives birth to their young?

………………………………………………………………………………………………… [1 mark ]

VERTEBRATES

BIRDS REPTILES FISH

M: ………………………. N: ……………………….

Diagram 2



2. Diagram 4 shows four different animals, P, Q, R, and S.

(a) Based on your observation in Diagram 4, state one characteristic of each animal.

P………………………………………………………………….……………. …..

Q………….…………………………………………………………………………

R :……………..…………………………………………………………………….

S:…………...……………………………………………………………………….

(b) Classify the animals in Diagram 4 into two groups based on their commoncharacteristics.Name the animals belonging to each group.

Common

characteristics

P, Q, R and S

Names of

animals

RP

SQ

Diagram 4



3. Diagram 5 shows animals P, Q and R.

(a) Which group of vertebrates do P, Q, and R represent? Write the answers in Diagram 5

[3 marks]

(b) Match P, Q, and R to its correct common characteristics.

[3 marks]

P Q R

Diagram 5

P

Q

R

Breathe with lungs, cold-blooded,

skin covered with hard and dryscales

Breathe with lungs, cold-blooded,

skin covered with hard and dry

scales

Breathe with lungs, warm-blooded,

lay eggs with hard shells

Breathe with lungs, warm-blooded,

give birth to live young

Animal Characteristics

lesson 11 -students

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