Froggy Jumps
Test chordate basics
1
What are the four defining characteristics of all Chordata?
2
At what point in development do all Chordata possess their four key traits?
3
What are the three major groups of Chordata?
4
What are tunicates, and in which Chordate group are they found?
5
What chordate traits do tunicate larvae have that adults typically lose?
6
What are Cephalochordates commonly called?
7
What is unique about the notochord in Cephalochordata?
8
What two traits distinguish vertebrates from nonvertebrates?
9
When did the first vertebrates appear in the oceans?
10
Which vertebrates were the first to invade land?
11
Which vertebrate groups became abundant after the Cretaceous extinction?
12
What animals are included in Chondrichthyes?
13
What type of skeleton do Chondrichthyes have?
14
What is the major evolutionary innovation of bony fishes?
15
What is the function of the swim bladder in bony fishes?
16
What are the two major groups of bony fishes?
17
Which fish group gave rise to amphibians?
18
What is Tiktaalik, and why is it important?
19
What are the three modern groups of Amphibia?
20
What are the key traits shared by all living reptiles?
21
What are the four membranes of the amniotic egg?
22
Which reptile group gave rise to birds?
23
What are the four surviving reptile groups after the mass extinction?
24
What distinguishes Testudines from other reptiles?
25
What trait links crocodiles more closely to birds than to other reptiles?
26
What is the first known bird species?
27
How diverse are birds today?
28
What two traits are uniquely mammalian?
29
What are the two major subgroups of mammals?
30
What is the defining feature of monotremes?
31
How do marsupials complete their development after birth?
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