Vocabulary revision Lesson 2

Match the following:

• External Structures

• Anything made up of a number of parts held together in a particular way.

• Structure

• Structures found on the outside of living things like skin, eyes and claws.

• Internal Structures

• Structures found on the inside of living things, such as the heart, lungs or brain.

Organize these options into the right categories:

​ (a)   _“Endo” means internal or within so an endoskeleton is a skeleton that is on the inside of a living thing.

​ ​ (b)   _ A type of skeleton found on the outside of a living thing that covers its body for protection.

• Endoskeleton
• Exoskeleton

Draw Whip Spider

(Also called a tailless whip scorpion, they are harmless to humans.)

Organize these options into the right categories.

Groups:

(a) Animals with Exoskeletons

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(b) Animals with Endoskeletons

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Botanists study ________

• fossils

• plants

• insects

• animals

Pick the living thing.

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Examples of external structures are (Click all that apply)

• Skin

• Lungs

• Eyes

• Claws

Examples of internal structures are (Click all that apply)

• Skin

• Lungs

• Heart

• Brain

Label parts of the flower

a

b

c

petals

leaves

flower

Which of these are internal and external structures?

Groups:

(a) internal structures

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(b) external structures

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