Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A2 Fossils > dinosaurs > Flashcards

dinosaurs Flashcards

1
Q

what did dinosaurs evolve from?

A

archosaurs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what type of eggs did dinos lay?

A

amniotic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is amniotic egg

A

hard shell pourous for gas exchange
aquatic environment inside
yolk sac = food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what stage of growth did amniotic egg eliminate

A

larval stage - growth of small adult

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what were the 2 types of dinousaur

A

ornithischia

saurischia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

hip bones of ornithischian dinosuars

A

back pointing pubis (bird-hipped)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

hip bones of saurischian dinosaurs

A

forward pointing pubish (reptile-hipped)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

bird hipped

A

ornithischian

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

reptile hipped

A

saurischian

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

example of ornithischian dino

A

iguanadon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

2 sub groups of saurischian

A

therapod

sauropod

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

example of therapod

A

tyrannosaurus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

example of sauropod

A

diplodocus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

which dino group did modern birds evolve from

A

therapod (saurischian)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what was special about walking igunadon dinos

A

bi-pedal and quad-pedal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

characteristics of ornithischian dinos

A

bony armoured plates (DEFENCE, HEAT EXCHANGE)
duck billed
bird hips

17
Q

characteristics of saurischian dino

A

reptile hips
3 digit hands with 1st finger longest (like thumb) for grasping
s shaped neck

18
Q

diplodocus adaptions for chewing

A

gastroliths (stones) in stomach to grind leaves

19
Q

what was diplodocus

A

sauropod herbivore

20
Q

how did diplodocus defend itself

A

whip tail

21
Q

how did diplodocus reach high trees

A

tall + long neck to reach high trees

22
Q

what type of saurishian dino was tyrannasaurus

A

therapod (carnivore)

23
Q

adaptions of tyrannosaurus

A

large teeth to tear meat

large legs

24
Q

arguments for tyrannosaurs being a predator

A

large teeth- meat

many modern predators don’t use arms

25
Q

arguments for tyrannosaurs being a svaveneger

A

large olfactory lobe - smell
useless forearms
small eyes
long legs to cover distance

26
Q

adaptions of iguanadon

A

horny beak - crop veg
hinged upper jaw (back teeth chew) side to side chewing
3 digit fingers ending in hooves
conical thumb with spike as defence

27
Q

how did birds evolve from dinos

A

thought to have evolved from coelurosaurs

28
Q

similarities - coelurosaurs and birds

A

clawed hands
pubis bone shifting to posterior
elongated arms and forelimbs
light hollow bones

29
Q

what is archaepteryx

A

1st known bird like fossil

30
Q

bird qualities of archaepteryx

A

feathers
wings for flight
hollow bones
wishbone

A2 Fossils (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions