Chordata

Question 1

Connecting Statement about Chordata and Vertebrae

Answer 1

All vertebrae are chordata but not all chordata are vertebrae

Question 2

four defining characteristics of chordata

Answer 2

post anal tail, notochord, dorsal hollow nerve cord, pharyngeal slits

Question 3

what are the 6 classes of vertebrae?

Answer 3

jawless fish, cartilagenous fish, bony fish, amphibians, reptiles, mammals

Question 4

jawless fish AKA: Agnatha

Answer 4

have no jaw EX: hagfish

Question 5

cartilaginous fish AKA: chondrichthyes

Answer 5

skeleton is made of cartilage, ex: sharks

Question 6

bony fish AKA: osteichthyes

Answer 6

skeleton is made of bone tissue ex: goldfish, catfish

Question 7

amphibians

Answer 7

aquatic larvae, meaning they lay soft eggs in the water ex: frogs, toads

Question 8

reptiles

Answer 8

they lay their hard eggs on land, scaled organisms ex: crocodile, snake

Question 9

mammals

Answer 9

known for their mammary glands, that produce milk ex: humans, pigs

Question 10

what is an example of an invertebrate chordata

Answer 10

lancelets + tunicets - AKA: sea squirts

Question 11

define a vertebrate

Answer 11

subphylum of chordata with a distinguishing feature - a spinal column made of vertebrae (spine) and a skull