Phylum Chordata

This structure is present in all embryos and may or may not be present in adults.

• Notochord

• Vertebrates

• Metamorphosis

• Gnatho

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

This is the structure for which the phylum Chordata was named.

• Notochord

• Vertebrates

• Metamorphosis

• Gnatho

This is a rod-like structure that forms the supporting axis of the embryo and gives birth to the vertebral column in vertebrates.

• Notochord

• Vertebrates

• Metamorphosis

• Exothermic

Tags

NGSS.MS-LS4-3

Chordates are sometimes referred to as this because most possess a backbone with a vertebrae.

• Vertebrates

• Invertebrates

• Exothermic

• Endothermic

Which organisms are in the class Agnatha?

• Lampreys

• frogs

• snakes

• birds

What is a characteristic of the class Agnatha?

• do not have jaws

• go through metamorphosis

• can fly

• have feathers

Which organisms are classified in the class Amphibia?

• Birds

• Fish

• Snakes

• Frogs

Which of the following is a characteristic of the class Amphibia?

• do not have jaws

• goes through metamorphosis

• can fly

• have feathers

This term refers to the ability of an organism to maintain their body temperature through external means such as the sun or water.

• Exothermic

• Endothermic

• Vertebrates

• Invertebrates

Tags

NGSS.HS-LS1-3

Which organisms are classified into the class Aves?

• Fish

• Birds

• Frogs

• Snakes