Use the information and model to answer the following question.



Echippus is an early ancestor to modern horses that lived 40 million years ago. The organism had a short neck, a short tail and feet with four toes. After ten million years, the tail and neck became longer and one of the toes disappeared as evidenced by the fossil of Mesohippus. Evolution of these organisms continued for 20 million years up to the present day causing the organisms to have longer necks and one solid hoof.

Answer:

D

Explanation:

The fossil record shows that the mammals gradually evolved so that their toes became one large hoof so this variation must have been more useful for survival than many toes. The correct option is 1.

Paleontologists, archaeologists, and geologists use the fossil record to place important events and species in the correct geologic era.

It is based on the Law of Superposition, which states that the bottom layers in undisturbed rock sequences are older than the top layers.

The neck and toes of early horse ancestors evolved in such a way that the neck and tail became longer and one of the toes disappeared over time. The fossil record demonstrates this, as Echippus had a short neck, a short tail, and four-toed feet.

The fossil record shows that mammals gradually evolved their toes into one large hoof, implying that this variation was more useful for survival than many toes.

Thus, the correct option is 1.

For more details regarding fossil records, visit:

https://brainly.com/question/11830342

#SPJ7

Your question seems incomplete, the probable complete question is:

Echippus is an early ancestor to modern horses that lived 40 million years ago. The organism had a short neck and tail and also feet with four toes. After ten million years, the tail and neck became longer and one of the toes disappeared as seen in the Mesohippus. Evolution of these organisms continued 20 million years up to the present day with the organisms having longer necks and one solid hoof.

Which explanation can best be supported by the horse fossil record?

answer choices

Scientists discovered how to use x-rays over 100 years ago. They found that x-rays
could pass through soft parts of the human body but were stopped by hard body
parts. How do doctors use x-rays today?
A.to find injuries
B.to cure diseases
C.to prevent illnesses
D.to protect body parts

Indirect economic value to Steven and his family,

shade trees
raw materials
Crops
Wet land
Recreational activities

1. direct economic value


2. indirect economic value

Pls Mach these farming components to the right one/correct ☝️

The amount of runoff in an area depends on all of the following except

amount of rain
the vegetation
wind dropping sediment
type of soil

using this link, https://www.explorelearning.com/index.cfm?method=cResource.dspView&ResourceID=1053
Observe: Click Reset. Select Lights on and turn off Show rulers. Select Longitudinal waves. Check that the Amplitude is 10.0 cm, the Frequency is 1.00 Hz, and the Tension is 2.0 N. Set the Density to 1.0 kg/m, and click Play.
What is the motion of the hand?



Turn the lights off. What is the motion of the green dot?



Follow the motion of a single compression of the wave. How does the compression move?

True or False: Waves become stronger as they travel away from their source

You should have drawn the coaster following a straight line after it slipped off the track. Since that is the path it would take without the track, there must be an unbalanced force causing it to accelerate (turn) around the bend. What direction is that force pointing? Draw a top-view sketch of the force vectors below.

James loves music. What would be an experiment he could conduct?

Dance to a cool song and record heart rate.
Write a song
Record his heart rate while listening to different types of music and record/compare the results.

A carrot has a volume of 180 cubic centimeters and a mass of 81 grams . Calculate its destiny

a student built a fire using coal. the coal started to burn. which statement best describes the energy changes that occurred.
A. the chemical energy stored in the coal changed to thermal energy and light energy
B. the thermal energy stored in the coal changed to light energy and chemical energy.
C. the light energy and thermal energy stored in the coal changed to mechanical energy.
D. the light energy and thermal energy stored in the coal changed to chemical energy

Which component of a galaxy is found in the space between the stars and gives the appearance of bright, colorful clouds?(2 points)
1. Clouds
2. Gas
3. Object
4. Star

15. Astronomers use different types of telescopes to observe different parts of the
electromagnetic spectrum. This allows astronomers to study objects in space. Some
electromagnetic waves are blocked by Earth's atmosphere, making it difficult for
astronomers to focus the energy into a viewable image. Instead of actually viewing
the energy, astronomers have learned to view the interactions of the energy with
the atmosphere. These faint interactions with the atmosphere allow them to study
highly energetic objects such as pulsars and black holes.

If the waves that are being observed have a frequency of 1022, what type of wave is
being observed?

A.gamma rays
B.ultraviolet
C.microwave
D.radio waves

The transfer of heat between objects that are touching is called what?

Question 5 options:

Conduction


Convection


Radiation


Relativity


please include explanation

Which direction will heat be transferred?

Question 4 options:

From lower temperatures to higher temperatures


From higher temperatures to lower temperatures


Heat is never transferred, thermal energy is always constant.


In both directions equally


please include explanation

Apple juice in a bottle has a volume of 475 cubic centimeters and a mass of 494 grams .Calculate its destiny

The pressure on an iceberg is greatest at the top of the iceberg. Question 2 options: True False

Based on Newton’s 3rd Law of motion, if an archer shoots an arrow at the target, the action force is the bowstring against the arrow. Explain where the reaction force can be found.

The graph represents the percentages of salt water and fresh water on Earth. What is the percentage of salt water?


1. 3 percent
2. 50 percent
3. 97 percent
4. 100 percent

How does gravity cause the solar system to move within the galaxy?

please help me eseghgtrhj

HElP thank you pLeAsE

Plz help
The energy diagram shows the changes in energy during a chemical reaction.
Which statement best describes the total energy change of the system?

What type of energy is stored in the bonds between atoms?

Question 1 options:

Thermal Energy


Nuclear energy


Light Energy


Chemical energy
please include explanation

PLEASE HELP!!!!
An object with a weight of 42 N is placed in a pool. The object displaces 37 N of water. The object will:
a) sink
b) be buoyed up
c) stay in place

Consider going around a horizontal turn to the right. If the coaster suddenly slipped off the track, what path would it follow? Draw a top-view sketch below.

who like countrie music give me a straghit awncer and i will create a nother one

Help me please it’s urgent

If a bowler rolls the bowling ball down the alleyway with a force of 1,000N. The ball exerts a reaction force again the alleyway with approximately how much force? Explain your thinking behind this.

Mike is doing a project for science class. He is making an analogy of a cell and relating it to the structure and function of a city. He is looking for a building to represent the mitochondria. Which building in a city has a similar function and would best represent the role of the mitochondria in the cell?

What is the average kinetic energy of an object's particles?

Question 3 options:

Heat


Thermal Energy


Thermodynamics


Temperature


please include explanation

What Human Body System(s) allow for our sense of hearing and balance to occur?ФωФ