Animals V

Question 1

What 3 groups make up a land vertebrate?

Answer 1

Amphibians, Diapsid, Synapsid

Question 2

What is a synapsid?

Answer 2

Vertebrate with one hole in skull

Question 3

What is an archosaur

Answer 3

Birds, dinosaurs, crocodiles, and pterosaurs

Question 4

Name the 3 current diapsid reptile groups

Answer 4

Testudines (turtles), Lepisosaurs (Tuatara which are lizaed like iguana looking things), and Squamata which are lizards

Question 5

T/F Squamata includes lizards and snakes

Answer 5

True

Question 6

T/F there are live bearing Squamata

Answer 6

True

Question 7

Name synapomorphies of Archosaurs

Answer 7

Teeth in sockets, opeings in front of eyes and jaw, and ridge on femur that allows bipedal motion

Question 8

When did dinosaurs first appear?

Answer 8

In theTriassic 230 mya

Question 9

What is unique about bird hearts?

Answer 9

they have four chambers

Question 10

What was the first vertebrat to evolve powered flight?

Answer 10

pterosaurs

Question 11

Describe Prototherians

Answer 11

Astralian platypus ass bitches and echidnas that lay eggs but produce milk

Question 12

Describe Therian Animals

Answer 12

live young . Two groups Metatherians which include marsupials and Eutherians like humans and dogs