WorksheetsTopic 7 Lesson 4 External Structures & Functions of Animals
Total questions: 20
Worksheet time: 12mins
A body part on the outside of an animal that helps it survive is called a(n) _____
internal structure
external structure
organism
adaptation
The ___________ is a hard external covering that is waterproof.
exoskeleton
skeleton
claws
fingers
The exoskeleton helps the animal in the picture survive its watery environment by __________ its internal structures.
freezing
protecting
melting
coloring
Some animals rely on waterproof ____________ to keep unwanted water away.
claws
exoskeletons
skeletons
arms
What does invertebrate mean?
Animals without a backbone
Animals that change their form
Animals with a backbone
Animals that lay eggs
Which of the following is an invertebrate?
Cat
Snail
Goldfish
Humans
Ladybug have an outer covering called a(n)_________
skeleton
bones
exoskeleton
armor
Humans are invertebrates.
True
False
Which external structure will help animal catch its prey?
Hair
Sharp claws
When an animal blends in with its surroundings, it's using ______
mimicry
camouflage
compression
carnivore
An octopus can change the color and pattern of its skin to match the environment while hunting prey. How does this help the animal?
to swim
to play
to breath
to feed
Does the structure pictured help the animal function in movement, eating or covering for protection?
Image: Dolphin's tail
movement
covering
eating
playing
Does the structure pictured help the animal function in movement, eating or covering for protection?
Image: Ant's Legs
movement
covering
eating
playing
Does the structure pictured help the animal function in movement, eating or covering for protection?
Image: Mosquito's Mouth
movement
covering
eating
playing
Does the structure pictured help the animal function in movement, eating or covering for protection?
Image: Alpaca's Fur
movement
covering
eating
playing
Does the structure pictured help the animal function in movement, eating or covering for protection?
Image: Eagle's Beak
movement
covering
eating
playing
External structures for movement, include wings, fins and ___________.
legs
fur
nature
insects
