1.Which creature was believed to be a transitional form between dinosaurs and our current-day bird?

Astrodon

Aerosteon

Acrotholus

Archaeopteryx

Your display name:

#	Player	Score	Quizzes
🥇	CuriousExplorer64	509	59
🥈	CuriousExplorer64	477	54
🥉	CuriousExplorer64	462	51
4	CraftyAdventurer17	454	50
5	CraftyAdventurer17	441	49
6	MightyAdventurer23	406	44
7	CuriousExplorer64	383	45
8	CuriousExplorer64	329	38
9	SpeedyChallenger20	282	30
10	CuriousExplorer64	268	32
11	CraftyAdventurer17	239	26
12	CuriousExplorer64	223	27
13	CraftySolver94	204	24
14	CraftyAdventurer17	188	21
15	CuriousExplorer64	172	20
16	CraftyExplorer98	170	21
17	CraftyAdventurer17	164	19
18	FearlessExplorer97	156	18
19	CuriousExplorer64	149	18
20	CuriousExplorer64	148	16
21	CuriousExplorer64	136	16
22	CraftyAdventurer17	128	14
23	SavvyMaze97	128	13
24	CuriousExplorer64	128	15
25	SnappyMargarita14	122	17
26	MightySolver18	121	14
27	CraftyAdventurer17	119	13
28	FearlessWanderer73	116	13
29	DaringPuzzler41	112	14
30	CuriousExplorer83	105	18
31	NimbleTrailblazer54	100	11
32	CraftyAdventurer17	99	10
33	CuriousNavigator64	97	15
34	DaringPathfinder41	97	11
35	CraftyAdventurer17	95	10
36	DaringChallenger97	94	10
37	CraftyAdventurer17	92	10
38	TrickyMaze94	91	11
39	SneakyTrailblazer19	88	11
40	SavvyMaze97	87	9
41	CuriousExplorer64	86	10
42	CraftySolver94	85	10
43	CuriousExplorer64	85	10
44	DaringSolver63	84	9
45	CuriousExplorer64	83	9
46	WittyPathfinder99	82	9
47	CuriousExplorer64	80	9
48	WittyTrailblazer13	79	9
49	CuriousExplorer64	79	9
50	WittyRunner58	77	8
• • •
4001	SlyPuzzler25	3	3
4002	TrickyExplorer37	2	1
4003	SharpSolver77	2	1
4004	SavvyTrailblazer80	2	1
4005	ZestySalsa10	2	1
4006	CraftyPathfinder28	2	1

#	Player	Score	Quizzes
🥇	CuriousExplorer64	477	54
🥈	MightyAdventurer23	406	44
🥉	CuriousExplorer64	383	45
4	CuriousExplorer64	329	38
5	SpeedyChallenger20	282	30
6	CuriousExplorer64	268	32
7	CuriousExplorer64	223	27
8	FearlessExplorer97	156	18
9	CraftyAdventurer17	128	14
10	SnappyMargarita14	122	17
11	FearlessWanderer73	116	13
12	CuriousExplorer83	105	18
13	NimbleTrailblazer54	100	11
14	CraftyAdventurer17	99	10
15	DaringPathfinder41	97	11
16	CraftyAdventurer17	95	10
17	SneakyTrailblazer19	88	11
18	CuriousExplorer64	85	10
19	DaringSolver63	84	9
20	CuriousExplorer64	83	9
21	CuriousExplorer64	79	9
22	WittyTrailblazer13	79	9
23	WittyRunner58	77	8
24	NimbleNavigator36	77	9
25	DaringPuzzler41	72	9
26	NimbleTrailblazer54	72	8
27	CraftyTrailblazer51	70	9
28	SlyNavigator13	68	7
29	CraftyAdventurer17	67	7
30	SharpWanderer35	67	8
31	MightyVoyager85	66	7
32	CraftySolver94	66	8
33	CuriousExplorer64	65	7
34	SavvyNavigator31	63	7
35	DaringSolver14	58	6
36	SneakyPuzzler33	57	7
37	MightySolver18	57	6
38	MightyExplorer38	57	6
39	WittyPathfinder99	53	6
40	CuriousExplorer64	52	6
41	WittyAdventurer15	51	6
42	SpeedyVoyager15	50	9
43	SpeedyNavigator94	49	6
44	SnappyMargarita14	48	7
45	WittyExplorer45	47	5
46	SpeedyScout82	45	7
47	SharpExplorer29	43	5
48	BrainyRunner23	43	7
49	FearlessRiddler94	42	5
50	SnappyMargarita14	42	6