ESL 5 Science / 1.4 Classifying Animals

ESL 5 Science / 1.4 Classifying Animals

Multiple Choice

The simplest animals are _____. They are without real tissues and have an asymmetrical body plan.

• arthropods

• cnidarians

• mammals

• sponges

Multiple Choice

Jellyfish and hydras are _____. They possess a mouth and muscle tissue and are radial symmetrical.

• cnidarians

• echinoderms

• fish

• reptiles

Multiple Choice

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

• amphibians

• flatworms

• roundworms

• segmented worms

Multiple Choice

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

• cnidarians

• mollusks

• roundworms

• segmented worms

Multiple Choice

Clams and squids are _____. They have bilateral symmetry, a muscular foot, a mantle, and several specialized organs.

• birds

• echinoderms

• mollusks

• reptiles

Multiple Choice

Sea stars and sea cucumbers are echinoderms. They have _____ feet and a water pressure system that helps them feed, breathe, and move.

• bony

• divided

• hollow

• tube

Multiple Choice

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

• amphibian

• arthropod

• mollusk

• sponge

Multiple Choice

There are three kinds of fish: jawless, such as the lamprey and hagfish; _____, such as sharks and skates, and bony fish.

• cartilage fish

• cold-blooded

• eggs

• marsupials

Multiple Choice

Frogs, toads, and salamanders are _____.

• amphibians

• arthropods

• echinoderms

• fish

Multiple Choice

Lizards, snakes, turtles, and alligators are reptiles. They are _____, which means that their body temperature is not steady.

• cold-blooded

• mirror images

• vertebrates

• warm-blooded

Multiple Choice

Birds are designed for flying: they are warm-blooded and have _____ and feathers that are light and strong.

• bony fish

• eggs

• hollow bones

• tube feet

Multiple Choice

Animals that are warm-blooded and have hair are called _____.

• birds

• invertebrates

• mammals

• marsupials