Why is it necessary to see a similar pattern of change in fossils from several places in order to conclude that an extinction happened?

Answers

Answer 1
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today.
Answer 2

One can learn a lot about the history of life on Earth thanks to fossils. They can help us understand the origins of life and humanity, the evolution of the planet and its environment across time, and the once-connected nature of the continents that are now widely separated.

What are fossils ?

Any surviving remnants, impression, or evidence of a once-living creature from a previous geological epoch is referred to as a fossil. Examples include fossilized bones, shells, exoskeletons, animal or microbe impressions in stone, amber-preserved artifacts, hair, petrified wood, oil, coal, and DNA traces.

Scientists use the fossil record to seek for patterns that may be used to infer which creatures are related to one another, how groups of organisms evolved through time, and how the Earth's climate affected the kinds of plants and animals that could survive for a very long time.

Thus,  a lot about the history of life on Earth thanks to fossils. They can help us understand the origins of life and humanity.

To learn more about fossils, follow the link;

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Related Questions

Help its for science ill give brainilest.

Answers

directly proportional

Answer:

This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four.

Explanation:

pls help really easy just search the questions f u need to

Answers

Answer:i cant seee

Explanation:

none

1. because it’s features are very very like the planet mars so is useful for research on the planet. 2. it protects scientists from the extreme temperatures. 3.i’m not sure but i guess they would research how suitable mars is for humans to live on?

A boat is traveling to the right at 300 N, the current is going to the left at 600N. What is the net force and direction?

Answers

it would be 800n to the right
i’m pretty sure it’s 300 N but it could also be 800 N . the only reason i thought it was 300 N was because since they go the other direction they should cancel each other out by doing 600 - 300 which is 300 N. but yeah

How do organisms form carbon films?

Organisms turn into rock.
Residue is left on rocks when organisms decay.
Hollow forms are left in sediment by decaying organisms.
Organisms leave evidence of their activities, such as footprints.

Answers

Answer:

hollows forms are left in sediment by decaying organisms

Answer:

The answer is C. I just did the quiz and got 90%, but this is not the one I got wrong. Hope this helps!

Explanation:

Earth’s surface is constantly changed by erosion and deposition. Erosion breaks down Earth’s surface by carrying materials away from an area. Deposition builds up Earth’s surface when these materials are deposited in an area over time.

Which landform results when erosion occurs during volcanic eruptions, but deposition does not directly contribute to creating the landform?

volcanic soil
cinder cone
caldera
lava plateau

Answers

Answer:

Caldera

Explanation:

C

The  landform results when erosion occurs during volcanic eruptions, but deposition does not directly contribute to creating the landform is caldera.

Where does the operation take place?

Involving the wear, transport and deposition of soils and rock particles. Erosion is the process of wear, transport and sedimentation of soil, subsoils and rocks as an effect of the action of erosive agents, such as water, wind and living beings.

In this case the caldera is  landform results when erosion occurs during volcanic eruptions, but deposition does not directly contribute to creating the landform.

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How would the amount of force needed to keep the kite in the air change if it were made out of a heavier material instead of a lighter material?


(A)The amount of force needed would be greater.


(B)The amount of force needed would be the same.


(C)The amount of force needed would go up and down with the kite.


(D)The amount of force needed would be smaller.

Answers

A: the amount of force would need to be greater.
the answer to this question would be A

What type of eclipse is pictured below?

Answers

The Solar Eclipse................

What type of erosion cause a canyon form?
water
wind
ice

Answers

Answer:Water

Explanation: none

The answer would be ice

Which graph above shows an object’s acceleration? Why did you choose that graph(explain why)

Answers

Velocity vs. Time shows an objects acceleration because... in Position vs. Time the line does not go through the origin and it’s very uneven, But Velocitu vs. time goes through the origin and has straight lines.

Answer:

B.

Explanation:

Because the lines are vertical no so wormy like.

What patterns in the rock layer fossils helped you identify an extinction?

Answers

Answer:

Hope this helps!! :D

Explanation:

Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction.

You can often tell by disturbances in the fossils bones. Maybe like dust or particles symbolize harm or mass extinction in a prehistoric animal or maybe even new fossils like some animals that went extinct recently like 200 years.

Fill in the chart to describe and give examples of physical changes.

Answers

Answer:

here are some examples of physical change!!!

Explanation:

-An ice cube melting into water in your drink.

-Freezing water to make ice cubes.

-Boiling water evaporating.

-Hot shower water turning to steam.

-Steam from the shower condensing on a mirror.

Answer:

Examples:

Melting an ice cube.

Boiling water.

Mixing sand and water.

Breaking a glass.

Dissolving sugar and water

Thomas thinks that acceleration means “speeding up.” Explain why this is incorrect.

Answers

Answer:

Explanation:

Thomas is incorrect because acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity.

Answer: Thomas is wrong because acceleration is the name we give to any process where the velocity changes. Since velocity is a speed and direction, there are only two ways for you to accelerate: change your speed or change your direction or both.

What would u write in a THESIS for Piney Woods?
GIVING BRAINLIST WHO EVER ANSWERS WITH PARAGRAPHS!

Answers

Answer:

Your thesis statement belongs at the end of your first paragraph, also known as your introduction. Use it to generate interest in your topic and encourage your audience to continue reading.

Explanation:

jayfeather friend me

Answer:

There is not a wrong answer for creating a thesis. The thesis reflects the many opinions you have towards the particular script. Use what you have learned from reading this and create a morale. If you have an opinion about it, try clearly stating it. Anything works. Just think of it as a bridge. Can it support the many ideas you have? REMEMBER stay on track and dont over think it!

Explanation:

How is salinity affected?
(a) evaporation increases
(c) freezing increases
(d) melting increases
(e) precipitation increases

Where does the energy that causes evaporation come from?
What role does gravity play in the water cycle?
Describe the flow of one molecule of water through the water cycle, beginning in the ocean.

Answers

Answer:

A and E.

Explanation:

 When water evaporates, it leaves the salt. When rain falls, the salt is diluted. The sun causes the  evaporation. The also the sunlight is the energy source, the greatest force propelling the water cycle is gravity. Gravity is the force of attraction between two objects, and Earth’s gravity pulls matter downward, toward its center. It pulls precipitation down from clouds and pulls water downhill. Gravity also moves air and ocean water. Also Water travels in a continuous path through Earth called the water cycle. The journey starts in the Earth's oceans. As the Sun heats the ocean, the water evaporates into a gas. The gas meets cooler air, and the gas changes into droplets of tiny water molecules. This process is called condensation. Little droplets of water fall back down to Earth again as precipitation. The precipitation fills up the rivers and various other things and the cycle begins all over again. Now with this being said, there is much more than just this!

     Good luck!

The answer is A hope this helped :)

HELP plz
Are beaches made from erosion or deposition?

Answers

Answer:

Desposition

Explanation:

Answer:

Deposition

Explanation:

Beaches are wave-deposited accumulations of sediment.

Why might different types of fossils be found in rock layers that come before and after a rock layer that contains no fossils?

Answers

Answer:

because they can move around under the earth

Explanation:

CH4 + __O2 → CO2 + ___H2O

balance this equation

Answers

Explanation:

need points bye have good day

Answer:

CH4+2O2→CO2+2H2O

Explanation:

Start with the least common atoms and leave things like H and O to the end.

You need to have the same number of methane reactants as carbon dioxide products because there is one carbon in each. I’ll set them both to 1 for now. O see two things with oxygen on the product side so we will have to juggle numbers a bit to figure out those. There is only H in the water so we’ll go there next. One CH4 gives 2 water molecules so we have that done now. At last we can tackle the O atoms. In two waters there are 2 and in the CO2 there are two more so a total of 4 O atoms in the products so we need two O2 molecules in the reactant side.

Hope this is useful.

What is unique about obtaining water from an artesian well?

The water is heated by magma or hot rocks.
The water is found in an impermeable layer.
The water is under pressure naturally and no pump is needed.
A mechanical pump must be installed to bring water to the surface.

Answers

Answer:

The water is under pressure naturally and no pump is needed.

Explanation:

C

The water in artesian wells is under natural pressure and requires no pump.

What are artesian wells?

They are wells that contain water that is under natural flowing pressure. Thus, there is no need of using artificial pumps in order to get the water to the surface.

Artesian wells are dug on lands with special geological features that enable the water to flow out under natural pressure.

Artesian wells differ from other types of wells that require mechanical or electric pumps before the water can get to the surface.

More on artesian wells can be found here: https://brainly.com/question/8881413

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A characteristic property is one that remains the same regardless of the amount of matter that is present.

Which of the following is a characteristic property of matter?

Group of answer choices

Density

Mass

Volume

Weight

Answers

the answer is weight
The answer is weight

I KEEP ASKING FOR HELP IVE DONE MOST OF THE QUESTIONS MYSELF BUT NEED HELP IN SOME IF YOU ANSWER I WILL GIVE BRAINLIEST
What happens to the motion of an object if forces acting on the object are equal and balanced?

A. The object begins to move

B. The object begins to slow down

C. The motion of the object does not change

Answers

Answer:

When the forces acting on an object have equal strength and act in opposite directions, they are balanced. These forces cancel out one another, and the motion of the object they are acting on remains unchanged. The object may change its speed (speed up or slow down), or it may change its direction.

So I think its C

You see this is because if the forces were different the object would either speed up or slow down but in this case the forces are equal so the motion of the object does not change.

Hope This Helps :)

5. Fill in the chart to identify three types of chemical changes.

Answers

Answer:

1.reaction with energy 2. one substance breaks down 3. reaction to acid and base

2. Calculate: For each object, substitute the values you know into the gravitational potential energy equation to solve for weight. Record each object's weight in the fourth (science)

Answers

Answer:

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Explanation:

The wastewater in your home goes to one of three places. It can run into a home septic system, it can go to a centralized sewage treatment plant, or it might be directly discharged into a body of water. Where does your water go after it goes down the drain?

Answers

Answer:

Sewage Treatment

Explanation:

I am sorry if I got this wrong but if I did please correct me!

a
a decrease in the number of zebra mussels along the waterways
b
an increase in the number of zebra mussels along the waterways
c
no effect because more time is needed to determine an outcome
d
no change in the number of zebra mussels infecting the waterways

Answers

Could you add a screenshot so we know what's being asked please?

What patterns in the rock layer fossils helped you identify an extinction?

Answers

Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction
What the person said bro

Which set of diagrams shows a balanced chemical equation?
A: 2 H, 2 O, 2 S and 2 H, 2 O, 3 S. B: 4 H, 2 O, 3 S and 4 H, 2 O, and 1 S. C: 4 H, 2 O, 2 S and 4 H, 2 O, 2 S. D: 2 H, 2 O, 2 S and 1 H, 1 O, 1 S.
A. Diagram A
B. Diagram B
C. Diagram C
D. Diagram D

Answers

Diagram C shows a balanced chemical equation because it has equal number of atoms on both sides of the equation.
The answer is diagram C

Hope this helped

Match the following vocabulary words with the correct definitions.

1. amount of matter in an object
matter
2. anything which has mass and occupies space
molecule
3. measurement of the pull of gravity on an object
atom
4. molecule with different atoms chemically united
mass
5. chemical combination of two or more atoms
weight
6. smallest unit of matter
compound

Answers

1. Mass
2. Matter
3. Weight
4. Compound
5. Molecules
6. Atom

A cube has a mass of 25g and a volume of 5cm3, what is its density?

Answers

The answer is 0.2 because you have to divide the mass by volume to get density, that is the formula.
Density = mass / volume

Density = 25 / 5

Density = 5 g/cm3

“The use of fossil fuels by human’s is heating up the atmosphere” is an example of a law or theory? Explain your answer in at least 3 sentences.

Answers

Answer: Theory

It is a theory which is true because it is not a law. A theory by definition is “ a plausible or scientifically acceptable general principle or body of principles offered to explain phenomena.” A law is “a rule defining correct procedure or behaviour in a sport.“ Therefore since this a scientific fact and it is used/ not against the law it is a theory

Explanation:

Fill in the chart to identify how scientists represent matter and chemical changes in matter.

Answers

A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side

A chemical symbol is a notation of one or two letters representing a chemical element

A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.  

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