Study deck for LAB FINAL

Question 1

Angular Disconformities (show w/ hands too)

Answer 1

formed when underlying beds (which were horizontal) were tilted, then eroded flat, followed by new horizontal beds depositing on top. / The old & new beds meet at an angle

Question 2

Disconformities (show w/ hands too)

Answer 2

A stop in deposition of sedimentary beds, then new sedimentary beds are laid / often includes erosion of underlying beds

Question 3

Nonconformities (show w/ hands too)

Answer 3

The one where there’s like a dike in the rock record / separates igneous or metamorphic rocks from sedimentary strata / associated w/ erosion events.

Question 4

Quick definition of Transgression and Regression.

Answer 4

T - Rising sea level / R - lowering sea level

Question 4

Show what transgression and regressions look like.

Answer 4

T = water and land (kinda like a beach) / R - Water between lands (top & bottom) like this sign <

Question 5

Why extinction of Stromatolites? Show what they look like (w/ hands)

Answer 5

New organisms preyed on them / ⁓⁓⁓⁓ on top of each other basically

Question 6

Foraminifera look like? (w/ hands)

Answer 6

uhh little ovals some with irregular shaped ovals

Question 7

Why Trilobites named that?

Answer 7

Have 3 body parts - head / body / tail

Question 8

What is the name of the head, body, and tail of trilobite?

Answer 8

H - Cephalon / B - Thorax / T - Pygidium

Question 9

What are Eurypterids?

Answer 9

Sea scorpions.

Question 10

Symmetry in articulate Brachiopods? (show w/ hands)

Answer 10

Perpendicular to the hinge

Question 11

Symmetry in inarticulate Brachiopods? (show w/ hands)

Answer 11

Parallel to the hinge.

Question 12

How were the lines of a Rugose Coral formed?

Answer 12

The lines show the growth of the coral, why it gets bigger (growth)

Question 13

What are 2 kinds of coral under Rugose Coral?

Answer 13

Solitary and Colonial corals

Question 14

What do solitary and colonial corals look like?

Answer 14

S - look like a horn / C - like a rock or similar shape w/ holes

Question 15

What do Scleractinia corals look like? What are they made of?

Answer 15

White coral but w/ holes / Calcite but an unstable version called Aragonite.

Question 16

What do Halysites look like? AKA?

Answer 16

Churros together, some broken, brown color / Chain Coral

Question 17

What do Favosites look like? / AKA?

Answer 17

A bunch of tubes together that go white from top to dark at bottom or all dark / Honeycomb Coral

Question 18

Two types of Bryozoans?

Answer 18

Stick shape and Fenestrate (lacy)

Question 19

What do the stick shaped and Fenestrate Bryozoans look like?

Answer 19

SS- Looks like a stick w/ holes or pricks // F - Rock looking w/ like laces on a football and then rock w/ woosh and curve.

Question 20

Identify Nautiloid Cephalopods. How they move w/ heavy shell?

Answer 20

Look like squid w/ shell // they have tube that helps w/ buoyancy

Question 21

Identify ammonie cephalopods. What do sutures do?

Answer 21

Squid w/ a shell but w/ ZIG ZAG pattern // Sutures help the shell have a strong bond

Question 22

Advantage of zig zag on Ammonoid Cephalopod shell?

Answer 22

Offers stronger bond for shell, making it harder to break

Question 23

Give info on Belemnites

Answer 23

Cephalopods related to squid / octopus // has internal shell like a Skelton to protect organs

Question 24

Nickname and look of Crinoids?

Answer 24

Nickname sea lillies // In the lab they were small tube pieces

Question 25

3 groups of Cephalopods? What cephalopod has internal shell?

Answer 25

Nautiloid / Ammonoid / Belemites /// Belemites

Question 26

What Blastoids Info?

Answer 26

Nickname sea buds / Looks like ball w/ sea star wrap on top / Radial symmetry

Question 27

Symmetry and where mouth & anus of reg urchin?

Answer 27

Radial symmetry / Mouth at bottom - anus at top

Question 28

Symmetry and where mouth & anus of Heart Urchin? (irregular)

Answer 28

Radial & Bilateral symmetry / Anus at back - mouth at front

Question 29

Identify Graptolites

Answer 29

Upside down umbrella uhh like moss yk but floating underwater

Question 30

Identify Astraeospongia and why it is named that

Answer 30

Ball with little stars on it / Sponge is made of starshaped pieces

Question 31

difference of clams and oysters?

Answer 31

Clams symmetry parallel to hinge. Oysters are asymmetrical / Oyster have less scars than Bivalve

Question 32

Where pallial line and pallial sinus on Bivalves.

Answer 32

If the hinge is at top PS on bottom left and PL on bottom right.

Question 33

Identify Gastropods and direction of spiral angle.

Answer 33

Like a cone but its built w/ like smooth rocks and there’s a little slug thing on top. / Dextral or clockwise.

Question 34

Define synapsid

Answer 34

1 hole behind the eye on each side of skull

Question 35

Define anapsid.

Answer 35

NO hole behind the eye on each side of skull

Question 36

Define diapsid.

Answer 36

2 holes behind the eye on each side of skull

Question 37

Identify Skull of Dimetrodon.

Answer 37

It looks a T rex or carnivorous one.

Question 38

Identify Skull of Helicorprion.

Answer 38

The shark w/ a weird jaw. Its a JAW!!!!

Question 39

Identify Skull of Smilodon. What is it?

Answer 39

Sabretooth cat. / Skull w/ two big tooths

Question 40

Identify Skull of Terror Bird.

Answer 40

The bird looking one with a curled tips at the beak.