4th Grade Animals without Backbones

Invertebrates are animals that 

• does not have a backbone.
• has more than 4 legs.
• cannot see at night.
• only eat other animals. 

An invertebrate that has an external skeleton, a segmented body, and jointed appendages.

• echinoderm
• cnidarian
• arthropod
• segmented worm

This group contains sponges and coral. 

• vertebrate
• invertebrate

Worms

• Vertebrate
• Invertebrate

Where do sponges/Porifera live?

• Lakes 
• Fresh water
• Oceans
• Rivers

Invertebrates that have stinging cells and take food into a central body cavity.

• echinoderm
• mollusk
• flatworm
• cnidarian

Read a Photo Which animal group does not have symmetry?

• mollusks
• roundworms
• arthropods
• sponges

What is an invertebrate?

• an animal with no backbone
• an animal with symmetry
• a turtle
• an animal with teeth

Which of these is an example of an echinoderm?

• Starfish
• Jellyfish
• Coral
• Sea Sponge

I have a soft-body, a hard shell, and live on land and water.  What am I?

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian

Tags

NGSS.MS-LS4-2