Lesson 3 Unit Living things

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

• Internal Structures

• External Structures

Tags

Construct

argument

plants

an

that

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

• Internal Structures

• External Structures

Tags

Construct

argument

plants

an

that

Which of these is an example of a lizard's internal structures?

• skin
• claws
• lungs
• eyes

Tags

Construct

argument

plants

What is the function of a water monitor lizard's tail structure?

• to slap prey
• to slap predators
• to swim
• to burrow

Which of these is an external structure used by the lizard to dig and climb?

• teeth
• claws
• tongue
• tail

What structure on a whip spider helps it capture its prey?

• flat body
• arm-like jaws
• exoskeleton
• small size

Which is a disadvantage of an exoskeleton?

• protection from predators
• built-in waterproofing
• protection from falling rock
• vulnerability when growing

What are these beetles using their horn structures to battle for?

• for a mate
• for exercise
• for fun
• none of the above

How do the zig-zag edges on a tea plant leaf help it survive?

• protect from predators
• rainwater runs off
• makes leaf taste bad
• it just looks cool

Which of these structures inspired a new type of swimsuit?

• mustard seeds
• shark skin
• fish scales
• butterfly wings