Question

The theory of evolution states that all organisms in a population have the same chance of survival because they all share the same genetic information.

True
False
18. At the end of which geologic period did the largest mass extinction known to science take place?

Cambrian
Devonian
Silurian
Permian

Answer 1

@.TH3_M0NST3R.

Answer 2

First one is false.

Answer 3

and brb

Answer 4

Second one is Permian.

Answer 5

The principle of original horizontality is evidence that Earth is largely static and that rock layers do not change much once they are laid down.

True
False
20. If a radioactive nuclide has a half-life of 1.3 billion years and it is determined that a rock contains 50% of its original amount of this nuclide, about how old is the rock?

1.3 billion years
2.6 billion years
0.65 billion years
3.9 billion years
21. Which period of geologic history marks a time of life rapidly becoming more complex and a time for which we have an extensive fossil record?

Quaternary
Cambrian
Oligocene
Miocene

Answer 6

First one is false.
No clue on the other two, sorry.

Answer 7

@PRAETORIAN.10

Answer 8

@PRAETORIAN.10 help me

Answer 9

on 20 on 21

Answer 10

please help

Answer 11

2.6 billion years

Answer 12

Cambrian: eyes eyes eyes!!!

Answer 13

During the Ordovician, nearly all of Earth’s land was concentrated in one giant landmass called Pangaea.

True
False
24. A species may become extinct over just one geographical range or throughout the entire world.

True
False
25. Fossils can give us clues about a particular environment's past climate and geography, but they cannot be used to delineate the relative ages of rocks.

True
False
26. On the geologic time scale, the adjectives "late" and "early" apply to

time of deposition
depth of the rocks
time of discovery
lifespan of fossil organisms

Answer 14

sorry i was busy helping other people :D

Answer 15

i have to go to work soon too

Answer 16

@Whitemonsterbunny17

Answer 17

v.v

Answer 18

please hel pwith these

Answer 19

How many more???

Answer 20

10

Answer 21

I answered like 50 already dude

Answer 22

.-.

Answer 23

soory please help

Answer 24

Okay, I guess.

Answer 25

A species that no longer exists is said to have undergone

adaptation
speciation
extinction
radiation
29. Earth’s atmospheric ozone layer is one of the unique features that allows it to support life. What function does the ozone layer serve?

gives oxygen to living things
cycles carbon between plants and animals
blocks out harmful solar radiation
filters out excess carbon dioxide
30. How were divisions of time separated when scientists created the geologic time scale?

by the thickness of rock strata
by the color of rock strata
by the fossils found in rock strata
by the location of rock strata
31. If a radioactive nuclide has a half-life of 1.3 billion years and it is determined that a rock contains 25% of its original amount of this nuclide, about how old is the rock?

1.3 billion years
2.6 billion years
0.65 billion years
3.9 billion years
32. Biostratigraphy is an important absolute dating technique.

True
False
33. Which of the following parameters describes the rate at which a radioactive nuclide decays to a daughter product?

half-life
energy level
atomic number
isotope number
34. The process of speciation usually requires that

populations of the same organism are isolated for long periods of time
organisms within different populations reproduce with each other
environmental conditions stay the same over long periods of time
an environmental catastrophe takes place, such as when the dinosaurs became extinct

Answer 26

true is first

Answer 27

hey wtf

Answer 28

One at a time please, so it's not so confusing.

Answer 29

During the Ordovician, nearly all of Earth’s land was concentrated in one giant landmass called Pangaea.

True

Answer 30

just start at 24 and work ur way down

Answer 31

"start at 24 and work your way down"... dude, it's your work...

Answer 32

now
25

Answer 33

soory im begging to help damn

Answer 34

i just rushing sorryyy

Answer 35

@PRAETORIAN.10

Answer 36

@.TH3_M0NST3R.

Answer 37

v.v dear lord

Answer 38

25.

Answer 39

Have you done any by yourself?

Answer 40

yea