Chordates Quiz

What is a notochord?

• A flexible rod that supports a chordate's back

• A type of muscle found in chordates

• A bone structure in mammals

• A digestive organ in reptiles

Which of the following is a characteristic of chordates?

• Presence of a notochord

• Having scales

• Laying eggs

• Being warm-blooded

Tags

NGSS.MS-LS4-2

What is a vertebrate?

• An animal with a backbone that is part of an endoskeleton

• An animal without a backbone

• An animal with an exoskeleton

• An animal that lives in water

What is the function of an endoskeleton in vertebrates?

• It supports the body, protects organs, and gives muscles a place to attach

• It helps the animal to fly

• It provides a hard outer shell

• It aids in digestion

Most chordates are what type of animal?

• Vertebrates

• Invertebrates

• Mollusks

• Arthropods

Which of the following is an example of an endotherm?

• Fish

• Amphibian

• Bird

• Reptile

Which type of fish has jaws, scales, and skeletons made of cartilage?

• Jawless fish

• Cartilaginous fish

• Bony fish

• Amphibians

What is a characteristic feature of bony fish?

• They have a cartilaginous skeleton.

• They have a swim bladder.

• They lack scales.

• They have no jaws.

Tags

NGSS.MS-LS4-2

What is the function of the swim bladder in bony fish?

• It helps in digestion.

• It aids in reproduction.

• It helps fish stay stable at different depths.

• It assists in breathing.

Which of the following is NOT a feature of bony fish?

• Jaws

• Scales

• Cartilaginous skeleton

• Hard bone skeleton

Tags

NGSS.MS-LS4-2