The evolutionary history and development of whales has been hotly debated. Recently there has been a major shift in our understanding of the processes used to detail whale evolution. This indicates that: Group of answer choices A) Aspects of evolution are constantly being challenged and explored in light of new evidence. B) Gaps in the fossil records will never allow us to fully understand evolution. C) Scientists studying evolution typically present ideas with very little evidence, leaving it to others to find proof of their ideas. D) Much of the science of evolution is based on speculation that can easily be changed when scientists think of new ideas.

Answers

Answer 1

Answer:

Aspects of evolution are constantly being challenged and explored in light of new evidence

Explanation:

The whole idea of evolution has to do with the fact that organisms developed into their present form from simpler life forms. According to Oxford dictionary, evolution is; ''the process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth.''

Evolution depends on evidence from fossil records. Evidences that support the theory of evolution continue to be amassed as science advances. Hence, aspects of evolution are constantly being challenged and explored in light of new evidence.

For this reason, the evolutionary history and development of whales is being hotly debated and there has recently been a major shift in our understanding of the processes used to detail whale evolution.


Related Questions

The diagram below shows a light ray striking Medium A and Medium B at the same angle. (4 points)

A rectangle labeled Medium A is drawn on the left. A ray of light travels through air and strikes the surface of medium A making an angle of 50 degrees with the vertical. The light ray bends towards the vertical as it travels through Medium A and makes an angle of about 15 degrees with the vertical. A rectangle labeled Medium B is drawn on the right. A ray of light travels through air and strikes the surface of medium B making an angle of 50 degrees with the vertical. The light ray bends towards the vertical as it travels through Medium B and makes an angle of about 25 degrees with the vertical.

Which statement is correct?
The speed of the light ray is the same in air and Medium A.

The speed of the light ray is the same in air and Medium B.

Medium A and Medium B have different densities because light refracts at different angles.

Medium A and Medium B have the same density because the light ray strikes both at the same angle.

Answers

Answer:

A the speed of the light ray is the same in air and medium

Cellular respiration is a mirror image of photosynthesis, meaning that the chemical reaction is the reverse. Below is the chemical reaction for photosynthesis.
Which of the following would be the correct chemical reaction for cellular respiration?
6 CO2 + 6 H2O → C6H12O6 + 6 O2

A. 6 CO2 + 6 H2O → C6H12O6 + 6 O2
B. 6 CO2 + 6 H2O → 6 CO2 + 6 H2O
C. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O
D. C6H12O6 + 6 O2 → C6H12O6 + 6 O2

Answers

Its (C) cz....

Connecting Cellular Respiration and PhotosynthesisThe products of one process are the reactants of the other. Notice that the equation for cellular respiration is the direct opposite of photosynthesis: Cellular Respiration: C6H12O6 + 6O2 → 6CO2 + 6H2O.

hope it helps you, I tried my best to give an ans to you .

And if your kind enough would you mind marking me as branliest plz plz

The chemical reaction for cellular respiration will be C6H12O6 + 6 O2 → 6 CO2 + 6 H2O, the correct option is C.

What is cellular respiration?

Cellular respiration is a succession of chemical reactions that break down glucose to produce ATP, which can then be used as energy to power a variety of reactions throughout the body.

Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.

It is mirror image of photosynthesis, its chemical reaction is:

[tex]C_{6} H_{12}O_{6} + 6 O_{2}--------- > 6CO_{2}+6O_{2}[/tex]

Thus, the correct option is C.

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The smell of freshly cut grass occurs because the plant is signaling it is in distress, simultaneously warning other plants, trying to attract a creature to save it, and signaling to the cells around it to divide to close the wound. This type of signal would most likely be:

A. Local signaling
B. Synapse
C. Enzyme
D. Hormone

Answers

Answer:

A. local signaling

Explanation:

the answer is A) local signaling

Which of the following statements is MOST accurate?
a. Most people who engage in gambling activities become addicted to it
and end up taking bankruptcy because they cannot pay their bills.
b. People at lower income levels lower use a larger percentage of their
income to buy lottery and scratch tickets than people at higher levels of
income.
c. Gambling is a moral issue, with little or no economic or financial impact
on individuals or society.
d. Casinos only have a positive impact on communities because they create
jobs and generate wealth.

Answers

Answer:

C

Explanation:

PLEASE HELP Calculate the volume of the block using the formula

Answers

Answer:

21.553125

Explanation:

You can round to whatever you feel, but this is the answer when you multiply 2.75 x 2.75 x 2.85

:D

Explain how homologous and the fossil records support evolution.
Thanks so much!!!

Answers

Answer:

Los fósiles, una prueba de la evolucion. El estudio de los fósiles nos da una idea muy directa de los cambios que sufrieron las especies al transformarse unas en otras; existen muchas series de fósiles de plantas y animales que nos permiten reconstruir cómo se fueron adaptando a las cambiantes

Explanation:

Answer:

homologous: have identical position, value, or structure

Fossils: In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms.

 

Explanation:

The evolution theory is supported by multiple sorts of evidence: homologous structures show common ancestry, whereas similar selective pressure will manufacture similar variations. analogous structures (beneficial features).

In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms. This supports Darwin's organic process theory, whereby straightforward life forms {progressively|increasingly|more and additional} evolved into more advanced. Proof of adolescence forms comes from fossils.

Hemophilia is a serious bleeding disorder caused by a sex-linked recessive allele. What are the chances of a normal male and a female who is a carrier for hemophilia having a child with hemophilia?
0%
1/4 or 25%
1/2 or 50%
3/4 or 75%

Answers

Answer:

‼️A) 1/4 25% Chance‼️

Explanation:

If she gets the X chromosome with the hemophilia gene, she will have hemophilia. A man who has hemophilia and a woman who is a carrier have: a 25% (one in four) chance of having a son with hemophilia.

Answer:

50%

Explanation:

the sex linked trait is to the x chromosome but only one. that means the female would pass 50% the allele 50% of the time

How do the frequencies of the waves compare?

Wave A has a higher frequency because it has a larger amplitude.
Wave A has a lower frequency because it has a longer wavelength.
The waves have the same frequency because they have the same wavelength.
The waves have the same frequency because they have the same amplitude.

Answers

Answer:

The waves have the same frequency because they have the same amplitude.

VR of wheel and axle is 5.what does it mean. plz help me this question I will Mark u as brainliest​

Answers

Explanation:

VR is 5 means that the load moved is five times the effort applied and the distance moved by the effort is five times the distance moved by the load at the same time interval.

I hope it helps you

Answer:

The mechanical advantage of a wheel and axle is the radius of the wheel divided by the radius of the axle

The statements on the left are incorrect
Write the correct statement.
Incorrect statements
1. Breathing produces carbon
dioxide from glucose
2. Only animals carry out
respiration. If someone can help with this it’d be greatly appreciated

Answers

Answer:

Carbon dioxide creates oxygen so we can breathe and seperates it from glucose

All species and humans breathe fish have gills to breathe underwater so not just animals have respiration.

Explanation:

Hitchhikers thumb (H) is dominant to no hitchhikers thumb (h). A woman who does not have hitchhiker some marries a man who is Carretera genus for hitchhikers thumb. What is the probable genotypic of their children?

Answers

Complete question:

3. Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman who does not have hitchhiker’s thumb marries a man who is heterozygous for hitchhiker’s thumb. What is the probable genotypic ratio of their children? What is the probable genotypic of their children?

Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Jika Kita ingin memasuki gua yang dalam ,Kita digalakkan untuk membawa obor api selain lampu suluh sebagai penunjuk kehadiran oksigen.Apakah kelebihan menggunakan obor di dalam gua?​

Answers

ok so this to inform you that i have to get b points thank you

Which of the following best describes the difference between a cation and an anion?

Answers

Answer:

An anion is a negatively charged ion that has gained more electrons than protons and added them to it's energy levels. A cation is a positively charged ion that has lost electrons from it's energy levels. It also has more protons than neutrons.

Explanation:

3. What is spontaneous generation? a. the idea that microorganisms have the ability to sterilize lie b. the idea that microorganisms need intense heat to reproduc c. the idea that substances produce germs only when microon d. the idea that substances can produce germs on their own​

Answers

Answer:

The correct answer is -  d. the idea that substances can produce germs on their own​.

Explanation:

Spontaneous generation is an obsolete theory or idea that supports the production of living things and substances from non-living substances and things.

This purpose is that the living creatures could arise from nonliving matter. In microbiology, it is an idea that says that substances can produce germs on their own even if the substances are not similar.

if the velocity of a vehicle starting from rest reaches 5m/2s in 2seconds, is the velocity of the vehicle uniform ?explain.​

Answers

Explanation:

Avg speed × total times = total distance

20×25=500

Since acceleration in the 1st interval is same as deceleration in the 3rd interval and deceleration is from the same velocity achieved after acceleration, t

1

=t

3

s

1

=

2

1

×5t

1

2

s

2

=(5t

1

)t

2

s

3

=(5t

1

)×t

3

2

1

×5×t

1

2

=(5t

1

)×t

1

2

1

×5×t

1

2

s

1

+s

2

+s

3

=5t

1

t

2

+5t

1

2

⇒5t

1

2

+5t

1

t

2

=500−−−−1

2t

1

+t

2

=25−−−−2

Solving (1 ) and (2) ⇒t

1

=5,t

2

=15sec

Write down the functions of
1.microtubules
2.tripletsof microtubules

Answers

Answer:

Microtubules are filamentous intracellular structures that are responsible for various kinds of movements in all eukaryotic cells. Microtubules are involved in nucleic and cell division, organization of intracellular structure, and intracellular transport, as well as ciliary and flagellar motility

Centrioles are cylindrical structures that are made up of protein tubes called microtubules. Specifically, nine groups of three microtubules, known as triplet microtubules, are linked together to make the walls of the cylinder.

Hope it helps :)

Answer:

Microtubules have several functions. For example, they provide the rigid, organized components of the cytoskeleton that give shape to many cells, and they are major components of cilia and flagella (cellular locomotory projections). They participate in the formation of the spindle during cell division (mitosis).

triplet microtubules are linked together to make the walls of the cylinder.

Explanation:

In order for natural selection to occur, organisms must (select all that apply) Check All That Apply have variation that can be passed from one generation to the next. have variation that can be passed from one generation to the next. have differential reproductive success. have differential reproductive success. survive longer than another organism. survive longer than another organism. compete for resources. compete for resources. have adaptations to their environment. have adaptations to their environment.

Answers

Answer:

have variation that can be passed from one generation to the nextsurvive longer than another organismhave adaptations to their environment. have differential reproductive success.

Explanation:

Naturla selection is the survival and reproduction of individuals due to different phenotypes. The naturla selection represents a mechanism of evolution and changes in traits of species.

In order for natural selection to occur, organisms must :

have a variation that can be passed from one generation to the next.have differential reproductive success.

Natural Selection is a mechanism of evolution that occurs when there is a heritable variation for a trait and individuals with one version of the trait have greater reproductive success than do individuals with a different version of the trait.

In order for natural selection to occur, three conditions must be met:

There must be variation for the particular trait within a population.The variation must be inheritableIndividuals with one version of the trait must produce more offspring than those with a different version of the trait.

Thus,

In order for natural selection to occur, organisms must :

have a variation that can be passed from one generation to the next.have differential reproductive success.

Learn more:

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can someone help me?

Answers

Answer:

I believe it's A, commencualism.

Explanation:

Because it means that one type of animal pairs itself with another to provide a service or perk, while the other maybe offers protection or something similar, improving the species.

I hope it's correct tho, sorry if it's not. ♥

The pun nett square is for a test cross of two mice That were purebred

Answers

i don’t know this answer my b

. Most of the matter in the universe: A. Exists within stars B. Is made when planets are formed C. Is unknown, called dark matter and energy D. Is blue-shifted

Answers

Answer:

B

Explanation:

is made when planet are formed

Which of the following newborns has the lowest chance of having health problems?
A. Rosalind- 6 lbs
B. Charles- 11 lbs
C. Nikola- 7.5 lbs
D. Marie- 5 lbs

Answers

Answer:

C Nikola

Explanation:

7.5 ibs is the most average and ideal weight for newborns.

Rosalind is the newborn who the lowest chance of having health problems. Thus, the correct option is A.

What are health problems?

Health problems may be defined as a situation of disease or medical ailment or an environmental condition that poses the threat of disease or medical ailment practically.

Rosalind weighs 6lbs which is equal to 2.72 kilograms. The most ideal and normal weight of newborns should be ranging in between 2.5 to 3 kilograms.

Therefore, Rosalind is the newborn who the lowest chance of having health problems. Thus, the correct option is A.

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Which is the difference between an antibiotic and an antiviral?

Answers

Answer:

There are no options in this question, the options are as follows:

A. Antibiotics build up immunity, and antivirals increase white blood cells.

B. Antibiotics treat the symptoms, and antivirals destroy the causing organism.

C. Antibiotics are in liquid form, and antivirals are in mist form.

D. Antibiotics treat patients who have Staphylococcus, and antivirals treat patients who have the flu.

The answer is D

Explanation:

Specific drugs are used to curb infection or diseases caused by specific pathogens. An infection can be caused by either bacteria, virus or fungi. Considering their different mechanism of infection, viral infections are treated with the use of ANTIVIRAL DRUGS while bacterial infections are treated with the use of ANTIBIOTICS.

According to this question, staphylococcus is a bacterial genus and hence, patients with staphylococcus can be treated with antibiotics while flu is a viral disease, hence can only be treated with antivirals.

Answer:

A. Antibiotics build up immunity, and antivirals increase white blood cells.

Explanation:

edg

Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis?

Answers

Answer:

The L-D reactions require light energy and water, and the L-IND reactions require ATP, NADPH and CO2.

Explanation:

Can someone please help me!

Answers

Answer:

thats the 2 number point okay,plasma contains platelets ,ok

The sticky mass in some chemicals on heating was known as _______________________ fibre or fibre _________.

Answers

Answer:

Americans chemical society

Explain the reciprocal relationship between human society and limiting factors

Answers

Answer:

humans try to modify environment factors to suit their needs. Limiting factors can be controlled in a specific area however, we can't control larger area. Like water or energy.

If a mutation occurs in the coding sequence of a gene, what types of
issues might happen?
Select one:
A) All of these answers.
B) The gene could be expressed in the wrong cell.
C) The gene could be unaffected.
D) The gene could be permanently broken.

Answers

Answer:

A

Explanation:

It will be all because of the fact that mutation does sometimes harm the genes and cells so any types of issues might happen

which of these is a cash crop

A. cucumbers

b. grass

c. latex

d. strawberries ​

Answers

Answer:

The answer is Cccc Latex

the answer is bbbbb grass

Which of the following can be inferred from the genetic code?

A.All organisms have a common biochemical evolutionary origin.

B.Organisms can live without genetic code.

C.Four nucleotides.

D.Four nucleosides.

Answers

Answer:

A. All organisms have a common biochemical evolutionary origin.

Explanation:

Genetic code is the biological mechanism by which the DNA in our body is used to synthesize protein needed for growth and development. The genetic code comprises of all the possible 64 codons i.e. a group of three nucleotides that encode an amino acid.

One of the characteristics of the genetic code is that it is UNIVERSAL. This means that all known living organisms make use of the same genetic code and hence, this portrays that all living organisms share a common biochemical evolutionary origin.

Which organism is an animal-like protist?
cilia
dinoflagellate
amoeba
truffle

Answers

Answer:

✅ C. amoeba

just took the test

The organism that is an animal-like protist is the amoeba.

What are amoebas?

Amoebas are a group of single-celled organisms belonging to the phylum Amoebozoa. They are classified as protists, which are a diverse group of eukaryotic microorganisms that do not fit into the categories of plants, animals, or fungi.

Amoebas are characterized by their ability to move and change shape through the use of pseudopodia, which are temporary extensions of their cell membrane. These extensions allow amoebas to engulf and surround their food, typically consisting of bacteria, algae, or other small organisms.

Amoebas are single-celled protists that move using pseudopodia, which are temporary extensions of their cell membrane. They are classified as animal-like because of their ability to move and capture food in a similar manner to animals. Amoebas belong to the phylum Amoebozoa and are commonly found in freshwater and soil environments.

The correct answer is amoeba.

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