___________ describes an organism that has no definite shape.

• bilateral symmetry
• radial symmetry
• assymetrical
• unicellular

An animal without a backbone is called an _________

• vertebrate
• chordate
• invertebrate
• simple

How does the size of invertebrate compare to the size vertebrates? 

• invertebrates are generally larger than vertebrates
• they are about the same size
• invertebrates are generally smaller than vertebrates

A snake is an example of a 

• vertebrate
• invertebrate
• bacteria
• protist

Tags

NGSS.MS-LS4-2

Invertebrates have a (less/more) complex body structure than vertebrates.

• less
• more

Tags

NGSS.MS-LS4-2

What type of symmetry does a sand dollar have?

• bilateral symmetry
• radial symmetry
• asymmetrical

What type of symmetry does a sponge have?

• bilateral symmetry
• radial symmetry
• asymmetrical

____________ are animals that have a backbone.

• invertebrates

• sponges

• vertebrates

• protists

What type of symmetry does a dog have?

• bilateral

• radial

• asymmetrical

• no symmetry

Tags

NGSS.MS-LS4-2

Insects are examples of _________________

• vertebrates

• mollusks

• fish

• invertebrates