Life science
Unit1L.1: Classification of plants and animals
• Similarities and
differences between living
things
• Classification of Plants
• Classification of Animals
Science skills:
• Classification
• Estimating and measuring
By the end of this unit you should:
• Be able to describe differences between
humans and other living things
• Know that animals and plants can be grouped
together using similar characteristics
• Know that members of the same species show
some differences from each other.
1
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
3.4.1
Similarities and differences between living things
Look at the following pictures.
Living things can be either plants, animals or
humans. Plants and animals have similar
characteristics, they grow, they breathe, and
they produce young ones.
However animals and plants differ from each
other, animals eat food and plants make food.
Animals move from one place to another, plants
move toward sunlight they cannot move from one
place to another.
2
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Are Humans animals or plants?
Humans are special living things, they are not
plants or animals but Humans are like animals
because they move, breathe, eat, excrete and
can have babies.
Who is the tallest student in my class?
Materials
Measuring tape
Process Skills
Estimating and measurement
Steps
Estimate which student is tallest in your
classroom.
---------------------Measure their height……………….cm.
Estimate your height against this
student ………………………… cm.
Now measure your height …………cm.
Measure the height of your neighbor…………..cm.
Are you shorter/taller than this person?-------3
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
All animals in the same group have the same
characteristics. For example sparrows and hawks
are birds. They can fly and they have claws.
But sparrows use claws for walking only and hawks
use them for walking and gripping and tearing
food.
How are bean plants and cactus alike? How are
they different?------------------------------------------------------------------4
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Key terms:
• Living things
• Animals
• Plants
Key ideas:
• Living things are
classified into plants or
animals.
• They have similarities
and differences.
Key question:
Choose the odd one out and explain why.
5
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
3.5.1
Classification of plants
Plants are living things. Not all
plants are the same; some plants
with flowers are called flowering
plants such as:
Trees: Apple tree, Orange tree.
Shrubs: Rose, Lily.
Herbs: Mint, Grass.
Trees
Shrubs
Herbs
Other plants without flowers are called non
flowering plants such as
6
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Pine
Ferns
Algae
Activity: Fill the blanks.
Plants
Flowering
Trees
Shurbs
Herbs
Algae
ferns
pine
7
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Key terms:
•
•
•
•
•
•
•
Key Ideas:
• Plants are classified into
flowering and nonflowering plants.
• Herbs, shrubs and
orange trees are
flowering plants.
• Ferns, algae and pines
are non-flowering plants.
Flowering
Non-Flowering
Herbs
Shrub
Fern
Algae
Pine
Key Questions:
A) Choose the correct word and fill in the blanks:
1- Very tall plants are called _________
{herbs –shrubs –trees}
2- An example of a flowering plant is _________
{fern – pine –rose}
3- Mint is a ________
{shrub –tree - herb}
8
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Key question:
B) Write True ( T
) or False (
1- Algae is a flowering plant. (
2- Some plants have flowers. (
F ):
)
)
C) Use the following table to compare between
flowering and non – flowering plants.
Flowering
Non-flowering
Do they have a stem?
Do they have roots?
Do they have leaves?
Do they have flowers?
Examples
9
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
3.5.1
Classification of animals
Some animals have backbone others do not.
Animals are classified into vertebrate and
invertebrates.
1-Vertebrates
Vertebrates are animals with a backbone .
Fish
Bird
Amphibian
Mammal
Reptile
10
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Fish:
• Have gills that are used to
breathe.
• They lay eggs in water.
• They have fins to swim in
water.
Amphibians:
• Young amphibians (tadpoles)
live in water and breathe with
gills.
• Adults can live in water and on
land. The adult breathes with
lungs.
• They lay eggs in water. Their eggs do not
have hard shells.
Reptiles:
• Breathe with lungs.
• Some reptiles live in the sea,
and others live in the desert.
11
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
• Most reptiles lay eggs. The eggs have
leathery shells.
Birds:
• Use wings to fly.
• Their bodies are covered by
feathers.
• They lay eggs. Their eggs
have hard shells.
Mammals:
• Most mammals are covered
with fur or hair.
• They reproduce by birth.
• They feed their babies with
mother's milk.
12
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Activity (1): Fill in the missing words:
1. ____________, ____________and
___________
all lay eggs.
2. Only ____________ feed their babies with
milk.
3. Gills are found only in _________ and
_________.
4. ___________ have hard shells on their eggs.
13
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
2-Invertebrates
Invertebrates are animals without a backbone.
Starfish
Beetle
Butterfly
Snail
Earthworm
Jellyfish
14
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Activity: Branching key
Look at the pictures then complete the
branching key.
Does it
have
wings?
Yes
No
It is a ------
It is a -----
15
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Key terms:
Key Ideas
• Vertebrate
• Invertebrate
• Animals that have a backbone
are called vertebrates.
• Animals that do not have a
backbone are called
invertebrates.
Key Questions
Q-1 Match the animals with their group names:
Invertebrate
Vertebrate
16
Grade 3, Unit 3L.1.
Classification of plants and animals
Life science
Key Questions
Q2- Choose the correct answer.
1- Which one of the following is an invertebrate?
A- whale
B-starfish
C-salmon
2- Mammals reproduce by..
A-eggs
B-birth
C-seed
3-What helps the fish to breathe underwater?
A-fins
B-scales
C-gills
Q3- Which of the following statements is true.
A- Reptiles are invertebrates.
B- Fins and tail helps the fish to breathe.
C- Starfish are not vertebrates because they do not
have a backbone.
Q4- Complete the branching keys>
Does it
have
fins?
No
Yes
It is a -----
It is a -----
17
Grade 3, Unit 3L.1.
Classification of plants and animals