LS 2: Scientific Literacy and Critical Thinking Skills
Vertebrates and Invertebrates
Vertebrates - an animal of a large group distinguished by the possession of a
backbone or spinal column, including.
The Five (5) Examples of Vertebrates
1. Fish – (including shark) make up the largest group of vertebrates.
- a limbless cold-blooded vertebrate animal with gills and fins and living
wholly in water.
2. Amphibians - a cold-blooded vertebrate animal of a class that comprises the
frogs, toads, newts, and salamanders. They are distinguished by having an aquatic
gill-breathing larval stage followed (typically) by a terrestrial lung-breathing adult
stage.
- can live both on land and water
3. Reptiles – they have dry, leathery scales, small brains and lots of eggs.
- are also amniotes, meaning that their eggs have multiple protective
layers.
4. Birds – are reptile like animals than maintain a constant internal body
temperature. They have an outer covering of feather, lay eggs, two legs
that are covered with scales and are used to walking or perching and
limbs modified into wings.
5. Mammals – are warm blooded and nourished by their mothers’ milk and most
are born live. Most mammals also have body hair.
Invertebrates – are animals that do not have spinal column or a skeleton made
bones.
Major Kinds of Invertebrates
1. Sea Jellies – have soft bodies and long, stinging body parts. The body of a sea
jelly is made mostly of water. It uses its stingers to stun its prey before pulling it
into its stomach.
2. Worms – are animals with long, soft bodies and no legs; example are
earthworms they help the soil healthy.
3. Mollusks – are animals with soft bodies. Some mollusks include the octopus,
squid, clam and snail. Many mollusks have a hard shell.
4. Arthropods – these animals are members of the largest group of invertebrates.
They wear their skeletons on the outside of their bodies. Insects, spiders and
crabs are arthropods.
Name: ___________________________________ Level: ________Date: _______
CLC: _________________________________Teacher: Mr. Jonathan L. Matias (DALSC)
LS 2: Scientific Literacy and Critical Thinking Skills Score
Pre-Test
Content Standard Demonstrate understanding on various biological concepts and
their applications.
Performance Standard D Apply biological science concepts in different life situations
Learning Competency Differentiate between vertebrates and invertebrates
Code LS2SC-BC-PSD-JHS -85
I. Write V if the following are vertebrates and I if they are invertebrates.
____ 1. carabao ____ 6. scorpion
____ 2. spider ____ 7. dolphin
____ 3. chicken ____ 8. squid
____ 4. worm ____ 9. frog
____ 5. dog ____ 10. worm
II. Choose the letter of the correct answer.
____ 1. _______________ are animals with backbone or spinal cord.
A. Carnivores C. Vertebrates
B. Invertebrates D. Herbivores
____ 2. Which of the following is not included in the group of vertebrates?
A. birds C. mammals
B. mollusks D. amphibians
____ 3. Invertebrates characterized as _____________________________.
A. feed their young with milk
B. they can live both on land and water
C. they have feathers and lay eggs
D. they don’t have backbone
____ 4. _________________ is the largest group of invertebrates.
A. Arthropods C. Worms
B. Mollusks D. Sea Jellies
____ 5. The body of sea jelly is mostly made up of ____________.
A. muscles B. water C. salt D. cells
_____ 6. They are group of vertebrates that nourish by their mothers’ milk.
A. mammals C. amphibians
B. reptiles D. mollusks
_____ 7. The following are characteristics of reptiles except __________.
A. they have feathers C. they have lot of eggs
B. they have small brain D. they have dry leathery scales
_____ 8. __________ are animals with soft bodies and most of them have a hard
shell.
A. Mollusks C. Reptiles
B. Arthropods D. Birds
_____ 9. What is the most largest group of vertebrates?
A. birds B. mammals C. fish D. amphibians
_____ 10. The most unique characteristic of amphibians is ______________.
A. they can live only on water
B. they can live both on land and water
C. they can live only on land
D. they have special body system use to breathe on water
Name: ___________________________________ Level: ________Date: _______
CLC: _________________________________Teacher: Mr. Jonathan L. Matias (DALSC)
LS 2: Scientific Literacy and Critical Thinking Skills Score
Content Standard Demonstrate understanding on various biological concepts and
their applications.
Performance Standard D Apply biological science concepts in different life situations
Learning Competency Differentiate between vertebrates and invertebrates
Code LS2SC-BC-PSD-JHS -85
Post-Test
I. Identify the group of the following vertebrates and invertebrates. Choose your
answer on the box.
mammals reptiles arthropods birds amphibians
mollusks worms sea jellies fish
____________________ 1. ostrich
____________________ 2. crocodile
____________________ 3. toad
____________________ 4. earthworm
____________________ 5. jellyfish
____________________ 6. squid
____________________ 7. lion
____________________ 8. catfish
____________________ 9. spider
____________________ 10. pig
II. Fill in the blank.
1. _________________ are animals with backbone or spinal column.
2. Animals with out backbone or skeleton made bones are called _____________.
3. ___________ make up the largest group of vertebrates.
4. ______________________these animals are members of the largest group of
invertebrates.
5. Many mollusks have a hard __________.
6. _______________________ are kind of vertebrates that can live both on land
and water.
7. _____________ are animals with long, soft bodies and no legs.
8. ____________________ have soft bodies and long, stinging body parts.
9. ____________ have an outer covering of feather, lay eggs, two legs that are
covered with scales and are used to walking or perching and limbs modified
into wings.
10. ________________ they have dry, leathery scales, small brains and lots of
eggs.
Key Answer LS: Scientific and Critical Thinking Skills
Vertebrates and Invertebrates
Pre-Test:
I. 1. V 6. I
2. I 7. V
3. V 8. I
4. I 9. V
5. V 10. I
II. 1. C 6. B
2. B 7. C
3. D 8. A
4. A 9. C
5. B 10. B
Post-Test
I. 1. birds 6. mollusks
2. reptiles 7. mammals
3. amphibians 8. fish
4. worms 9. arthropods
5. sea jellies 10. mammals
II. 1. Vertebrates 6. Amphibians
2. Invertebrates 7. Worms
3. Fish 8. Sea Jellies
4. Arthropods 9. Birds
5. shell 10. Reptiles
