Diversity of Living things: Invertebrate Animals

An invertebrate is an animal

• with an exoskeleton

• that has at least two legs

• without backbone

Which of these invertebrate can live only in water?

• sponges

• insects

• worms

A sponge is

• unicellular

• mobile

• sessile

Tags

NGSS.MS-LS1-1

What is one adaptation of cnidarians?

• tentacles

• a mantle

• molting

A trait of all worms is that they

• take in oxygen through their skin

• move with cilia

• shed their exoskeleton

Every mollusk has

• legs

• a pore

• a mantle

What type of animal dig inself into the sand by using a strong, muscular foot?

• a sponge

• a mollusk

• an enchinoderm

What type of animal has sharp spikes and radial symmetry ?

• an enchinoderm

• a cnidarian

• an arthropod

Which group of invertebrates is the largest?

• arthropods

• sponges

• mollusks

Tags

NGSS.MS-LS4-2

Every arthropods has

• an exoskeleton

• mantle

• gills