The early ancestors of horses showed the presence of digits on their limbs, while modern horses have hooves. What are likely possible reasons for this change?

Answers

Answer 1

Answer:

The digets were most likely not needed anymore so as the horses evolved hey gain other traits to help them survive.


Related Questions

The majority of cellular respiration takes place in the nucleus of cells

Answers

Answer:

fALSE

it is in the mitochondria

Explanation:

What happens during translation?
a. Messenger RNA is made from a DNA code.
b. The cell uses a messenger RNA code to
make proteins.
c. Transfer RNA is made from a messenger
RNA code.
d. Copies of DNA molecules are made.

Answers

The cell uses mRNA to code new proteins

PLEASE CHOOSE ALL 3 CORRECT ANSWERS! WILL MARK BRAINLIEST IF CORRECT

Which of the following are true of the transfer of thermal energy in the oceans? Select the three correct answers. (2 points)

Energy is absorbed more than radiated near the equator.

Energy is carried from the equator to poles in deep ocean currents.

Energy is carried from the equator to poles in surface currents.

Energy is radiated more than absorbed near the equator.

Energy is absorbed more than radiated near the poles.

Energy is radiated more than absorbed near the poles.

Answers

Answer:

Energy is absorbed more than radiated near the equator.

Energy is radiated more than absorbed near the poles.

Energy is absorbed more than radiated near the poles.

Please help me can you please help really quick

Answers

Answer:

b

Explanation:

The greatest amount of kinetic energy is at the lowest point of the roller coaster. The least amount of kinetic energy is at the highest point of the roller coaster

Answer:

b

Explanation:

2. A lunar eclipse can occur when the Moon is in......in its orbit.



Help me this is from amplify

Answers

Answer:

Lunar eclipses can only happen when the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon. But lunar eclipses do not occur every month because the Moon's orbit is tilted five degrees from Earth's orbit around the Sun. Without the tilt, lunar eclipses would occur every month.

A lunar eclipse occurs when the moon moves into the earth's shadow, it occurs when the earth, moon, and sun are close together.

What is a lunar eclipse?

When the Moon passes through the shadow of the Earth, a lunar eclipse happens and also depends on the sun.

Only on the night of a full moon when the Moon is close to either lunar node can the Sun, Earth, and Moon be precisely or extremely closely aligned with Earth between the other two.

When the Moon and Sun are on opposing sides of Earth, a total lunar eclipse takes place. When only a portion of the Moon is covered by Earth's shadow, a partial lunar eclipse occurs.

Therefore when the moon moves into the earth's shadow lunar eclipse happens.

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Which of the following statements is FALSE?
A. RNA is a single stranded molecule
B. RNA contains uracil
C. RNA is found only in the cytoplasm.
D. RNA contains ribose

Answers

Answer:

C

Explanation:

RNA is found mostly in the nucleus but can also be found in the cytoplasm, but it is not limited to it.

Are the members of the third generation still carriers/affected by the trait? How many
percent are affected by the trait?​

Answers

Answer:

When a genetic disorder is diagnosed in a family, family members often want to know the likelihood that they or their children will develop the condition. This can be difficult to predict in some cases because many factors influence a person's chances of developing a genetic condition. One important factor is how the condition is inherited. For example:

Autosomal dominant inheritance: A person affected by an autosomal dominant disorder has a 50 percent chance of passing the mutated gene to each child. The chance that a child will not inherit the mutated gene is also 50 percent. However, in some cases an autosomal dominant disorder results from a new (de novo) mutation that occurs during the formation of egg or sperm cells or early in embryonic development. In these cases, the child's parents are unaffected, but the child may pass on the condition to his or her own children.

How do individual’s affect environmental systems?

Answers

Answer:

Humans impact the physical environment in many ways like overpopulation

Explanation: pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. and many more ways.

Answer:

Humans impact the physical environment in many ways like overpopulation

Explanation:

pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. and many more ways.

Glycolysis requires an input of energy. What molecule provides this energy?
a) glucose
b) ATP
c) NAD+
d) ADP

Answers

Answer:

B

Explanation:

Glycolysis requires an input of 2 ATP molecules to produce 4 ATP molecules. It results in a net worth of 2 ATPs.

The option (B) is correct. ATP

What do you mean by ATP?

Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level. The structure of ATP is a nucleoside triphosphate, consisting of a nitrogenous base (adenine), a ribose sugar, and three serially bonded phosphate groups.

Moreover, adenosine triphosphate is an organic compound that provides energy to drive many processes in living cells, such as muscle contraction, nerve impulse propagation, condensate dissolution, and chemical synthesis.

Therefore, ATP can be used to store energy for future reactions or be withdrawn to pay for reactions when energy is required by the cell. Animals store the energy obtained from the breakdown of food as ATP. Likewise, plants capture and store the energy they derive from light during photosynthesis in ATP molecules.

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Can someone help me with this chromosome assignment?

Answers

this is the answer for only first page.

homologous, diploid,gametes,haploid

the same thing as what the other person said.

di=2

hap=1

remember that for diploid and haploid

Three things can happen at the boundaries between earths plates. If one plate moves underneath another it’s called a

Answers

Answer:

I believe it is called SUBDUCTION.

Earth's plates are called TECTONIC PLATES BTW

Write a hypothesis about how the interaction of tectonic plates may cause earthquakes.

Answers

Answer:

hope this helps

Explanation:

Techtonic plates interacting with each other would cause an earthquake because they are essentially the earth's foundation so by sliding together they would  cause rockfall and make a rumble which is basically what an earthquake is and when they interact its basically the earth moving so it would cause shaking and rumbling which is what happens in an earthquake

(Additionally) in the aftermath of an earthquake the plates are either moving or settling down which is why frequently after an earthquake there is a mini one following it

A friend says that all bacteria are harmful to people list three reasons this statement is incorrect.

Answers

-autotrophic bacteria give off oxygen (O2)
-flavor foods such as vinegar, yogurt, cheese, etc. (pasteurization)
-decomposers (bacteria)- recycle nutrients in food web
-enviromental clean-up- bacteria eat oil from oil spills
0health and medicine- bacteria break down food in your intestines/make

Which location would have the LEAST variation in air temperature during a 24-hour period?
A)
A
B)
B
o
D)
D

Answers

Answer:

b

Explanation:

explain exocrine system?? ​

Answers

Answer:

Exocrine: Pertaining to the secretion of a substance out through a duct. The exocrine glands include the salivary glands, sweat glands and glands within the gastrointestinal tract. Exocrine is as opposed to endocrine which refers to the secretion of a substance (a hormone) into the bloodstream.


Which of the following is the
amount of time between the
fertilization process and the birth of an organism?
A. 9 months
B. 1 year
C. up to 2 years
D. it depends on the species

Answers

Answer:

D. it depends on the species

Explanation:

Everything is different

It is proper to put the _____________ allele before a recessive allele when determining the genotype of the offspring in a Punnett square.

Answers

Answer:

dominant

Explanation:

the dominant allele is the capital letter (for example, T) whereas the recessive allele is the lowercase letter (for example, t). the dominant allele is usually written first.

It is proper to put the dominant allele before a recessive allele when determining the genotype of the offspring in a Punnett square.

What are alleles?

Alleles are the variation present in the gene or DNA sequence. It is the sequence of nucleotides that encodes the production of the product of a gene.

There are two types of alleles, dominant and recessive, the dominant gene is denoted by a capital letter, and it is placed before the recessive allele.

Thus, in a Punnett square, the dominant allele should come before the recessive allele when determining the genotype of the offspring.

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How does natural selection lead to an increase or decreased in heritable traits over time in a population?

Answers

Answer:

Not a copy and paste answer

Explanation:

When resources are limited in an habitat, organisms with heritable traits favor more survival and reproduction will tend to leave more offspring then other organisms only because of their heritable traits.

4. The nearest organ to which the heart supplies oxygenated
blood is

Answers

Explanation:

Nearest organ to which heart supplies oxygenated blood is HEART ITSELF. It is supplied through CORONARY ARTERIES.

Which best describes the flow of genetic information?

A) Genetic information flows from gene to allele to protein
B) Genetic information is carried only by DNA
C) Genetic information flows from DNA to RNA to protein
D) Genetic information cannot be transmitted outside the nucleus

Answers

Answer:

It’s c I got it right

Explanation:

Answer:

C) Genetic information flows from DNA to RNA to protein

Explanation:

1. Describe what occurs in the body of a type 1 diabetic after they consume a carbohydrate-heavy meal. In your response, include the following terms
Metabolized, Glucose, Insulin, Cell receptors, Pancreas, Energy​

Answers

The process which would occur in the body of a type 1 diabetic after they consume a carbohydrate-heavy meal is:

The digestive system tries to break down the complex sugars which increases the blood sugar level which leads to the production of insulin to maintain the blood sugar level throughout the body.

A Type 1 diabetic person is one who has been diagnosed with the level  of diabetes, where the pancreas does not produce enough insulin to control the sugar levels of the body.

With this in mind, when such person consumes a high carbohydrate meal, it means that he has ingested complex sugars which would be difficult  for the digestive system to break down which would overwork the pancreas, but as there is little or no insulin production, then there would likely be health complications.

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the connection between limiting factors and invasive species

Answers

Answer:

Biology, Ecology, Earth Science, Climatology, Geography

Explanation:

A limiting factor is anything that constrains a population's size and slows or stops it from growing. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource. For example, if there are not enough prey animals in a forest to feed a large population of predators, then food becomes a limiting factor. Likewise, if there is not enough space in a pond for a large number of fish, then space becomes a limiting factor. There can be many different limiting factors at work in a single habitat, and the same limiting factors can affect the populations of both plant and animal species. Ultimately, limiting factors determine a habitat's carrying capacity, which is the maximum size of the population it can support

please HELP MEEEEEEEEEEEEEEEEEEEEEE

Answers

Answer:

Yes tell the question brooooooooooooooooooooo

Explanation:

where 's your question ??:))

Earth follows an orbit as it makes a revolution around the Sun. What is the relationship between a revolution and an orbit?

Answers

Answer:

An orbit is essentially the motion of an object (be it a planet, a moon, a spacecraft) around a star, moon, or planet. Now a revolution is the movement of an object around an axis of rotation, or a centre, or another object. So the earth revolves around the sun, but the earth is also in orbit around the sun.

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A small primate is observed in South America. It has a prehensile tail, spends most of its time in the trees, and is fairly small. What type of primate is it? HighLighter PopupUnderline Selected TextGreen Color HighlightOrange Color HighlightYellow Color HighlightBlue Color HighlightPink Color HighlightRemove Color Highlight A. Lemur B. Tarsier C. New World monkey D. Old World monkey

Answers

Answer:

C

Explanation:yeah

The correct answer is New World monkey as is observed in South America. It has a prehensile tail, spends most of its time in the trees, and is fairly small.

On one hand, a few species of New World monkeys own prehensile tails, which means they are able to use their tails to understand or maintain directly to objects (2). Their tails can resource those monkeys in locating and consuming meals withinside the cover in addition to transferring among the trees, as their tails offer greater help and balance.

The formal time period for the taxonomic organization containing all of the New World Monkeys (NWMs) is Platyrrhini. The NWMs diverged from the Old World monkeys and apes (Catarrhini) round forty million years ago (Perelman et al. 2011). Ancestral species are idea to have migrated to the Americas on rafts of plants or through island hopping (Fleagle 2013). The extant species of NWMs are presently labeled into 5 families, twenty genera, 156 species, and 204 taxa. However, the taxonomy of numerous taxa is debated withinside the literature and, therefore, this type is concern to change.

What is the New World monkey living area?

Many of the monkeys scampering across the forests of Central and South America have some thing unique on their butts-- a further hand. Well, now no longer exactly. It's a prehensile tail-- a greedy appendage that enables the animals navigate the tall and treacherous cover on the lookout for end result and leaves .

Hence concluded that the New World monkey have a prehensile tail, spends most of its time in the trees, and is fairly small.

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How many molecules are represented?

2Fe(NO3)2

Answers

12 oxygen Adams
Are represent

Taking into account the definition of Avogadro's number, 2 moles of Fe(NO₃)₂ contains 1.2046×10²⁴ molecules.

Avogadro's Number

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance.

Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.

Amount of moles in this case

In this case, you have 2 moles of Fe(NO₃)₂.

Then you can apply the following rule of three: If 1 mole of the compound contains 6.023×10²³ molecules, 2 moles of the compound contains how many molecules?

amount of molecules= (6.023×10²³ atoms× 2 moles)÷ 1 mole

amount of molecules= 1.2046×10²⁴

Finally, 2 moles of Fe(NO₃)₂ contains 1.2046×10²⁴ molecules.

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Name one adaptation that allows desert plants to survive with little water?

Answers

Answer:

stomata

Explanation:

This adaptation helps cacti reduce water loss by keeping the hot, dry wind from blowing directly across the stomata. The leaves and stems of many desert plants have a thick, waxy covering.

Explain how a. temperature and b. light intensity 0 affect the rate of transpiration.

Answers

Answer:

Explanation:

Transpiration can be regarded as process involving water movement through a plant, it involves evaporation from aerial parts. These aerial part could be such leaves, stems or flowers.

A)Temperature

During the day period when the weather is hot there would be increase in evaporation of water from the leaves of plants, due to this transpiration is increased

B)Light intensity

When there is bright light, when the light intensity heat the plants, the stomata would be opened so that carbon dioxide is supplied for photosynthesis, and more water would be evaporated out through the leaves of the plant, then transpiration increase

The developement of fruit without pollination, resulting in seedless fruit is called __________.
A)
genetic engineering
B)
parthenocarpy
C)
biomagnification
D)
epiphysis
E)
browsing

Answers

Answer:

B) parthenocarpy

Explanation:

Parthenocarpy is the development of fruit without fertilization of seeds. Another biological mechanism stenospermacarpy also produces seedless fruits, but here the seeds are aborted while they are still small. Some plants require pollination or stimulation for parthenocarpy.

:)

The answer to this question is b

__________ are surroundings with high levels of exposure to industrial chemicals.
A)
Second-growth forests
B)
Point sources
C)
Old growth forests
D)
Rangelands
E)
Toxic environments

Answers

Answer:

E)

Toxic environments

Explanation:

HOPE IT HELPS YOU

The answer to this question is e
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