Question

HELP!!! MEDAL AND FAN!!!!! What can changes in the fossils of a single organism over time reveal?

A.
how the rock layers were deposited

B.
how the species evolved

C.
relative age of the rocks containing the fossils

D.
how the climate changed

Answer 1

Since this is about how the fossils of a single organism changed, I would say B. how the species evolved. You could technically follow a single organisms evolution by collecting fossils from that organism, if you have fossils in chronological order...does that make sense? lol

Answer 2

lol kinda and thx. could u help me with a few more?

Answer 3

I think it might be B. How the species evolved

Answer 4

option c

Answer 5

Yeah sure! @puppylover123

Answer 6

A geologist finds rocks with dinosaur fossils.

What is most likely the approximate age of the rocks?

A.
500 million years old

B.
1 thousand years old

C.
5 billion years old

D.
70 million years old

Answer 7

Well, dinosaurs first appeared around 231 million years ago.

Answer 8

So I would say around 70 million years old, since that's the only one that makes sense :)

Answer 9

maybe D? ya lol

Answer 10

Which statement about the rock layers in this illustration must be true?



A.
Layer I is the most recent rock layer.

B.
Layer C is the oldest rock layer.

C.
Layer B is the most recent rock layer.

D.
Layer F is the oldest rock layer.

Answer 11

here is the illitration

Answer 12

http://static.k12.com/calms_media/media/922500_923000/922534/2/a0aa093b9072d57a0d95ed0ae89802dd35f0638e/MS2_ERT_03_09_rock_layers.jpg

Answer 13

Where? lol

Answer 14

illustration*

Answer 15

Oh there it is

Answer 16

ya lol

Answer 17

I would say A. None of the other answer are correct.

Answer 18

ok

Answer 19

Which rock layer is youngest?



A.
Layer I

B.
Layer D

C.
Layer G

D.
Layer A

Answer 20

its the same pic

Answer 21

@lovelylolita55

Answer 22

@lovelylolita55

Answer 23

@ohlookidontunderstandanotherthing

Answer 24

Oh sorry, I'm here now

Answer 25

It's the same answer as the previous question lol Layer I is the youngest because it's at the top.

Answer 26

thx

Answer 27

A saber-toothed cat fossil is found in layer G.

This finding indicates that Layers H and I must have formed during what time?



A.
Paleozoic Era

B.
Cenozoic Era

C.
Permian Period

D.
Carboniferous Period

Answer 28

@lovelylolita55

Answer 29

the same link

Answer 30

@lovelylolita55

Answer 31

Hmm A. I think

Answer 32

thx anorher

Answer 33

Which example describes a method of relative dating?


A.
using radioactive isotopes to calculate the age of a rock

B.
examining historical records to determine when a volcano erupted

C.
measuring the depth of tree bark

D.
using fossils to determine the oldest rock layer in a canyon

Answer 34

Ok

Answer 35

I'm not sure I know this one.. I think it may be D. :/ Not sure though

Answer 36

ok i think so too... i just wanted to make sure

Answer 37

Which rock layer is the newest and why?

Geologic History Unit Assessment, Part 2
Tapeats Sandstone because it is the bottom layer

A.
Supai Group because it is a middle layer

B.
Kaibab Limestone because it is the topmost layer

C.
Hermit Shale because shale is the oldest type of rock

D.

Answer 38

http://static.k12.com/calms_media/media/1020500_1021000/1020876/4/9b58164be16dd3cb0ddee47f2bc03a737a6cb53a/MS2_ERT_03_09_UAS.jpg

Answer 39

sorry here is D

Answer 40

Hermit Shale because shale is the oldest type of rock

D.

Answer 41

@lovelylolita55

Answer 42

omg im babysitting my bffs hampster and my dog almost killed it!!! im so sad!!

Answer 43

Remember, the youngest/most recent layer is always at the top. The kaibab layer is at the very top, so it has to be the newest.

Answer 44

i feel so bad...

Answer 45

I hope it's ok!

Answer 46

ok

Answer 47

i think it is... its in the corner of its cage shaking...

Answer 48

so it has to be alive lol

Answer 49

ok thx btw

Answer 50

If it's upside down, you know it's dead. I hope it's alright in the end! :) You're welcome.

Answer 51

The Tapeats Sandstone is made of sand-sized rock pieces and contains fossils of trilobites. Trilobites were marine organisms similar to modern-day horseshoe crabs. In which kind of environment did the Tapeats Sandstone most likely form and why?
Missing Metadata
a beach environment because trilobites live in the ocean and there are sand particles in the rocks

A.
a coral reef environment because the particles in the rock are sand-sized

B.
a deep sea environment because there are small mud particles in the rocks

C.
a lake environment because trilobites live in the fresh water and there are small sediments in the rocks

D.

Answer 52

it isnt upside down and i hope its okay too

Answer 53

he seems as happy as ever! he's running in his wheel acting fine. hampsters lol

Answer 54

ok back to science

Answer 55

Hm, well if they were like the modern day horseshoe crabs..where do horseshoe crabs live?

Answer 56

Do you know? :)

Answer 57

they live primarily in and around shallow ocean waters on soft sandy or muddy bottoms.

Answer 58

Yep, that's what Wikipedia says LOL

Answer 59

So can you find the answer based off of that information?

Answer 60

OMG google trilobites..they are gross looking.

Answer 61

Hey, I need to go :) I think the answer is A. Be sure to tag me if you have any other questions. I'll help if I can.

Answer 62

ok

Answer 63

for this question
Which rock layer is the newest and why?

Geologic History Unit Assessment, Part 2
Tapeats Sandstone because it is the bottom layer

A.
Supai Group because it is a middle layer

B.
Hermit Shale because shale is the oldest type of rock

C.
Kaibab Limestone because it is the topmost layer

D.Kaibab Limestone because it is the topmost layer
it is D