Chordates- Part 1

Chordates have contain ________ and _______.

• Notochord, vertebra

• Dorsal nerve cord, vertebra

• Notochord, dorsal nerve cord

• Dorsal nerve cord, sinuses

The ________ is a support rod that runs along the dorsal side of the organism.

• Dorsal nerve cord

• Notochord

• Brain

• Nervous system

Some chordates keep the basic notochord and dorsal nerve chord structure, others develop further.

• True

• False

Tags

NGSS.MS-LS4-2

In the more complex chordates, what does the dorsal nerve cord eventually become?

• spine

• nervous system

• immune system

• heart

In the more complex chordates, what does the notochord eventually become?

• Spinal cord

• Cranium

• Nervous system

• Spine

Organisms that have backbones

• Vertebrates

• Invertebrates

All chordates are vertebrates.

• True

• False

Tags

NGSS.MS-LS4-2

Which of the following are chordates that are invertebrates?

• Tunicates/sea squirts

• Salps

• Larvaceans

• Lancelets

• Lampreys

Invertebrate chordates. Live similar to sponges but are more complex.

• Salps

• Tunicates/sea squirts

• Lancelets

• Larvaceans

Tags

NGSS.MS-LS4-2

Invertebrate chordates that like to buddy up on a chain. Similar to jellyfish but are more complex.

• Hagfish

• Lampreys

• Lancelets

• Salps