Classifying Animals Chapter 1 Lesson 4

The simplest animals are ____________.

• sponges

• cnidarians

• worms

• mollusks

Tags

NGSS.MS-LS1-1

Worms that have ____________ symmetrical body plans.

• asymmetrical

• bilateral

• radial

• mollusks

Jellyfish and hydras are ____________.

• sponges

• cnidarians

• worms

• mollusks

Jellyfish and hydras possess a mouth and muscle tissue and are ____________ symmetrical.

• asymmetrical

• bilateral

• radial

• mollusks

Worms that have flat bodies with one body opening and simple eyes are called ____________.

• sponges

• cnidarians

• flat worms

• mollusks

Worms that have simple digestive and nervous systems are called ____________.

• flatworm

• roundworm

• echinoderms

• mollusks

Clam and squids are __________.

• mollusks

• cnidarians

• arthropod

• sponges

Tags

NGSS.MS-LS4-2

Sea stars and sea cucumbers are __________.

• mollusks

• cnidarians

• arthropod

• echinoderms

Tags

NGSS.MS-LS4-2

Mollusks have bilateral symmetry, a muscular foot, a mantle, and several specialized organs.

• True

• False

Tags

NGSS.MS-LS4-2

Crabs and insects belong to the largest animal group on Earth, __________ phylum.

• mollusks

• cnidarians

• arthropod

• echinoderms