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RUTGERS / Earth and Planetary Sciences / EPS 460 / What distinguishes dinosaurs from non-dinosaurs reptiles?

What distinguishes dinosaurs from non-dinosaurs reptiles?

What distinguishes dinosaurs from non-dinosaurs reptiles?

Description

School: Rutgers University
Department: Earth and Planetary Sciences
Course: Dinosaurs
Professor: Lauren adamo
Term: Fall 2016
Tags: linean, Classifications, systematics, Early, and verts
Cost: 25
Name: Dinosaurs - Week 3
Description: Sorry about the wait. My other laptop broke! I'm not gonna post study guides for this class. She posts her own… I'm merely going to extract the relevant information from he slides weekly. Suh dude
Uploaded: 10/07/2016
4 Pages 155 Views 1 Unlocks
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Dinocauirs 1 - Week 3


What distinguishes dinosaurs from non-dinosaurs reptiles?



9/20 —

Dino Systematics

Rekent Backsler - " Dinesoraurs ont fast, agile, active"

· Lirieom Classification (ke VERY families withe Hie (lodogrovmo yo)

Monophyletic group all members have a lo and Hue classifications


What is the difference between class amphibia and class reptilae?



Don't forget about the age old question of What is the peter effect?

(syropiere orpho) single common ancestor

Cclade NOTE: Huis is a buscar (group of oro, amsims Don't forget about the age old question of Which atom bears the charge?

CAB Go

E

NOTE: this is a tre

A

group a

may bw a common ancestor We also discuss several other topics like Define oxidation.

different ancestors

2) Polyplyly, Polyplyietic group members one descended from


What is chondrichytes?



3) Helophyly, Holophylene group: all memkes are descendants of a single common

ancesto

A B

A is not a descendant

an and

vas

ANG

N

oll

-> NOTE = 'clade - taxm consisting of an ancestral species ond All its descencounts

' the tuns hielophyletic and monophyletic seem to be synonymous (?) 4) Para plusly. Pavaphyletic group some members are descendants of a single common We also discuss several other topics like What is being observed? where is it being observed? how is it being observed?

ancester

E NOT included

* Fill in chont on slide 25

• Dinosaurs one between

the Reptilia

and Aves classifications

-

Mennorize

the following cladogrown:

-

birds

choo undon oster

Placodermo

Osteichthuyet

Amalu bisa

leptilia

Agnatha

Alves

Momo alia

DAN

ANNNN

Dinoams

*MAY need to know what differenkates each (it's a drag

I knew) Odontolo) I Grade Tetrapoda) Class Amphukia —> 'anamniste (layo egge m water) We also discuss several other topics like What are the cognitive structures that help us?

la

7

Classes: Reptilia

we

I Grade Amnickou amniotic egg ( lays eggs on land, or reloon Fertilized egg in

mother)

VY

Normw.alia

A

from

non-dinosaurion

reptiles

is

their

• What dishnquishes dincgame upright poshine. If you want to learn more check out What is the difference between descent with modification and evolutionary theory?

TEND of 9/20

9/23 -

Earliest Vertebrates

MENLORIZE

MEMORIZE ( re-print and re-fill in) Geologic Time Chont

1

Pisces )

Per to hood parts, most life was

wriaca (I messed up)

Ediacaran Arurnals' : sessile (fixed in one place) and soft-bodied - sponges, jellyfish, etc

not preserved well

· The Comkri en Explosion was the 1st nokceable fesail record - chopactwized by 'exoskeletons

2 filter feeders 3 burrowers 4 beri Home zone (lowest level of a body of woter)

'woimo ' Reefs, which increased cxygen levels and provide a place for organisms to

chill («r a prey ground) Fasculitated the evoluhon of early vertebrates (fishes, or - exoskeleton --> vertebrate ( MAY need to know adui of evdukionomy

Cephalochordates are the ancestors to vertebrates chenacteristics/trowits)

Lo sheesh... - net ochord nerve chord running alovig the back of Hue body

La for swimming and teedling, it acted as on anchor for muscles

Lo possue arcumci notocherd bordened with phosphate ( we gettin' sciency)

HOW THEY EVOWED, class by class Agriotha : jawless vertebrates Fish (15+ to do this vertebrae ish ) - lampreys, hagfish - come before pisces - next trout to edve: Jaws ( the Wrathostomata, or jawed vertebrates) - o jawo probably forot evded as a way to regulake resparation * Placedems : jarred, plated skin (1st appeared in Silurian pretty extinct

- loroge, predatory - developed head shield, teeth

@ Chondrichthyes: janved, poired fing, scoles, contilage(niet boure) skeletons

- appeared aroumd same time as placederms - showks, stingrays Osteichthyes joved bony fishes (Oleme and Bubbles, etc.)

4 next, und in order to promsition to lond, LIMBS evolved --Evolution of limbs

axial skeleton - along the cehal axis (like humous)

· appendiculon skeleton - has appendages

get you

popcorn)

dipnici- icke fin fish (?)

=> Rhipidishia : loke tanned fish Hiat one anscectorsię to all of tetapoda

—> Cressoptryciares/Sarcoptecii (cypeand in the lake Silbrion)

- barry wel fleshy, love poived fias, joined to body by a single bort - wm bons sumlon to tetrapods (humerus lol, ulna)

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