natural selection is an example of a mechanism of evolution. does this mechanism produce a change in individuals or population? explain

Answers

Answer 1

Natural selection refers to the procedure where the species better amended to their surrounding appear to survive and generate more offspring. Natural selection refers to one of the mechanisms that make modifications in the frequencies of genes in populations and thus, it is the mechanism of evolutionary change.

However, the phenomenon of genetic drift and natural selection cannot take place unless and until there is a genetic variation, that is unless some individuals are genetically distinct from others.


Related Questions

can you please help me!? ​

Answers

Answer:

You need to compare the location of bands for X and X's child. X is the mother, so the child will have half of all its bands from its mother, and the other half must be from the father. Some bands that X and X's child have in common are at around 185bp and 130bp (it is difficult for me to determine the exact position). Then look at the bands which X and X's child do not have in common. Those bands must have come from the father. So now you compare the remaining bands to all the bands of Megabucks and see if they match up. You can see a band at around 60bp that the child has. The mother did not have this band, so it must have come from the father. Megabucks does not have this band, so he is not X's father.

Explanation:

I hope this has helped you a little. The main thing to know is that a child's bands come from their mother and father, so if half the bands match up to the mum, the other half have to match up to some of the father's bands. But a child will never have the same set of bands as one of their parents - it will be a mix of both parents' bands.

What is the unknown substance? Be sure to explain how you know

Answers

Answer:

The last one

Explanation:

All other substances use their chemical name, not a generic name like the last one

A car turns left while maintaining a speed of 20 m/s. Does the car’s velocity change? Explain your reasoning!

Answers

Answer:

Yes

Explanation:

Speed is a scalar quantity (only has a magnitude). It signifies the rate of change of an object's movement.

Velocity is a vector quantity that signifies the rate of change of movement but also the direction of an object's movement.

Since the car turns, its direction changes, so the velocity changes.

What is the difference between ventilation, gas exchange and cell respiration?

Answers

The process of inhaling and exhaling, with oxygen entering the alveoli (large surface area). (Carbon dioxide for oxygen). Cell Respiration: The chemical process occurring in the mitochondria where energy is released as ATP.

PLS ANSWER C six H twelve O six, plus six O two, yields six C O two, plus six H two O, plus energy.

In your own words, explain what the summary equation tells you about cellular respiration.

Answers

Answer:

Explanation:

The overall (unbalanced) chemical equation for cellular respiration is: C6H12O6+O2→CO2+H2O+energy. Explanation: The balanced equation ...

how does the mother’s body cycles through labor rhythmically

Answers

Answer:

One theory about what triggers labor is that the mother's body, specifically her pituitary gland, begins to secrete oxytocin when the baby is fully developed and ready to be born, according to Medical News Today. Oxytocin is the hormone that stimulates contractions, reading the cervix for labor.

Explanation:

This is all I know.

Hope it helps!!~

What causes ocean water to be colder at the poles than at the equator

Answers

Answer:

Ocean currents warmed by the Sun's energy carry heat from the equator toward the poles as well. Evaporation of surface water, rain and other precipitation, wind and ocean currents move warm air toward the poles and bring cold air toward the equator.

Explanation:

Hey I'm Chloe Can you help me, Thanks :)
What is it called when the movement of heat through a liquid or a gas; warm rises and cool sinks?

Answers

Answer:

convection

Explanation:

Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature. I hope this is correct :)

why are echinoderms more advanced than arthropods and mollusks?

Answers

They have internal skeletons which cover their skin. The body of an echinoderm seems little more than a skeleton of tiny plates and water. They don't use large muscles working on large body parts like many other animals. Instead they move, feed and breathe with a unique water-vascular system ending in hundreds of water-filled tube feet.

If Individual 3 has children with a woman that is heterozygous for the genetic disorder, what is the probability they will have an affected child?

Answers

Well let’s draw a punnet square. So first make your four boxes. Now, heterozygous means having two different alleles of a particular gene. We’re going to use the letter ‘A’, but you can use any letter. In your first box there will be the dominant alleles. This can be identified as ‘AA’. A dominant allele is capitalized (A). A recessive allele is lower case (a). So in the first box it will be AA. Move over to the box on the right it will be Aa. Move down one box (on the right side) that will be aa. Now still on the bottom box, move over one to the left. That will be Aa. Since hetero means different, the heterozygous alleles would be Aa which means you have 2/4 probability of the child being affected. So 1/2.

If Individual 3 has children with a woman who is heterozygous for the genetic disorder, then the chance of producing genetically disordered offspring is 25% if the male is heterozygous and 0% if the male is not.

What is the genetic disorder?

A recessive genetic disorder, such as cystic fibrosis, and an autosomal dominant disorder, such as Huntington's disease, are examples of genetic disorders caused by a gene that can express itself in either a dominant or recessive manner. For example, the disease is represented by the aa. If the male is heterozygous for diseases such as "Aa," then he will produce 25% "aa" type offspring when he crosses with the heterozygous female. When a man is purebred AA and crosses with a heterozygous female, then no offspring will be genetically infected.

Hence, if Individual 3 has children with a woman who is heterozygous for the genetic disorder, then the chance of producing genetically disordered offspring is 25% if the male is heterozygous and 0% if the male is not.

Learn more about the genetic disorder here.

https://brainly.com/question/17404085

#SPJ6

HELP ME PLEASE BEEN LOOKING FOR AN ANSWER FOR HOURS

What materials do motor neurons need to survive and how do they get those materials?

Answers

Answer:

Neurons are made up of three major parts: a cell body, or soma The part of the neuron that contains the nucleus of the cell and that keeps the cell alive., which contains the nucleus of the cell and keeps the cell alive; a branching tree like fiber known as the dendrite, which collects information from other cells and sends the information to the soma; and a long, segmented fiber known as the axon, which transmits information away from the cell body toward other neurons or to the muscles and glands.

Scientists use the process of genetic engineering to

Answers

Answer:

Genetic engineering is used by scientists to enhance or modify the characteristics of an individual organism. ... For example, genetic engineering can be used to produce plants that have a higher nutritional value or can tolerate exposure to herbicides

Answer:

are you going to give me brainliest mark comment me

How might a farmer use artificial selection to increase crop yields over time?

Answers

Answer:

artificial selection has a long been used in agriculture to produce animalsand crops with desirable traits. the meatssold today are the results of the selective breeding of chickens, cattle, sheep and pigs. many fruits and vegetables have been improved or even created through artificial selection.

ill give you 100 points and brainliest

Answers

Answer:

I know it is A stating a range of movement possible at each type of joint.

Explanation:

100% sure and please give brainliest

Answer:

my answer got deleted so I'm going to it again I think it's A.

Explanation:

5. Observe: Increase the Sim. speed by two levels. Click Play, and wait for a while. What occurs as ume goes by?​

Answers

your question not correct

Which type of mutation is shown here?

Original: A T A C A C
Mutant : T T A C A C

A.translocation
B.non-disjunction
C.frameshift
D.point

Answers

Answer:

d

Explanation:

that is an example of a point mutation. A point mutation is a mutation  that causes only one nucleotide to change and in the example adenine changes to thymine

hope this helps (:

The mutation shown here is point mutation.

What is mutation?"A changes/alteration in nitrogenous bases sequence of DNA that can results in changes in the genotype and phenotype of an organism is known as mutation."It occurs due to: deletion, insertion, translocation and inversion.During insertion, an extra nitrogenous bases are added to the DNA sequence.During deletion, a nitrogenous bases are removed from the DNA sequence.During inversion, the sequence of nitrogenous bases gets inverted in a DNA strand.In translocation, a sequence of one DNA strand breaks off and attaches to another DNA strand.What is point mutation?"A point mutation occurs in a genome when a single base pair is added, deleted or changed."

Here, the sequence of original strand is A T A C A C and the sequence of mutant one's is T T A C A C. The base A is changed into base T.

Hence, the correct option is: D. Point mutation.

To know more about mutation here

http://brainly.com/question/13923224

#SPJ3

NEED HELP QUICK PLSSSS

Answers

Answer:

I didnt really know how to put it into words, so I filled in your chart for you. Hope you like it and that I was not too late in completing this.

orange: frontal lobe

blue: parietal lobe

green: temporal lobe

yellow: occipital lobe

the cerebellum is is white ball-like part

then the top box is the Pons while the bottom one is the brain stem

Explanation:

that's what I remember from my pltw class

A cow has alleles for both black and
white fur that are codominant. What
would be the resulting appearance
of the cow?
A. a solid coat of gray fur
B. fur with areas of both black and white
C. it is impossible to determine

Answers

Answer:B

Explanation:

Codominant is when neither allele is recessive so they are both expressed in the phenotype

A cow having the codominant alleles for both white and black fur will appear to have fur with areas of both black and white fur. This is an example of co-dominance where both alleles are expressed in the different parts of the animal. So option B is correct.

What is codominance?

In codominance, two different versions of a gene are expressed separately and they are expressed equally in different parts of the organism. As a result, the traits of both alleles are expressed simultaneously. The term co-dominant means that both alleles are dominant and one allele does not mask the expression of the other.

Co-dominance can easily be spotted in plants and animals. Codominance is observed in some traits that are less visible like blood type. The A and B alleles are codominant and they can be expressed simultaneously.

To learn more about codominance, refer to the link:

https://brainly.com/question/3578928

#SPJ2

5 facts about the L.A. flood of 1938
I will give you all my points!

Answers

Answer:

1. The Los Angeles flood of 1938 was one of the largest floods in the history of Los Angeles, Orange, and Riverside Counties in southern California.

2. The flood was caused by two Pacific storms that swept across the Los Angeles Basin in February-March 1938 and generated almost one year's worth of precipitation in just a few days.

3. The Los Angeles, San Gabriel, and Santa Ana Rivers burst their banks, inundating much of the coastal plain, the San Fernando and San Gabriel Valleys, and the Inland Empire.

4. Flood control structures spared parts of Los Angeles County from destruction, while Orange and Riverside Counties experienced more damage.

5. It caused $78 million of damage ($1.42 billion in 2019 dollars),[2] making it one of the costliest natural disasters in Los Angeles' history.[3] In response to the floods, the U.S. Army Corps of Engineers and other agencies began to channelize local streams in concrete, and built many new flood control dams and debris basins

Explanation:

Select the correct response regarding the relationship between photosynthesis and cellular respiration. a The reactants and products of photosynthesis has no relationship with the reactants and products of cellular respiration.

A. The reactants and products of photosynthesis has no relationship with the reactants and products of cellular respiration.

B. The products of cellular respiration are the reactants of photosynthesis.

C. The reactants of photosynthesis are the reactants at cellular respiration.

D. The products of cellular respiration are the products of photosynthesis.

Answers

the answer is B cuz the products of cellular resp are the reactants of photosynthesis (photosynthesis uses what cell resp makes)

The correct response regarding the relationship between photosynthesis and cellular respiration is option B. The products of cellular respiration are the reactants of photosynthesis.

Photosynthesis and cellular respiration are two essential processes in autotrophs. These processes are opposite to each other as photosynthesis is an anabolic and respiration is a catabolic process.

In photosynthesis, carbon dioxide and water are reactants that are combined to form glucose. Light energy is stored in chemical energy in this process. In cellular respiration, glucose is oxidized in presence of oxygen and produces water and carbon dioxide as products, and releasing ATP is released as the source of energy.

Thus, the correct answer is - option B. The products of cellular respiration are the reactants of photosynthesis.

Learn more about photosynthesis:

https://brainly.com/question/1388366

What causes diffusion? *

Answers

Answer: Diffusion occurs due to the random movement of particles. It usually happens due to a concentration gradient, meaning that molecules move from an area of high concentration to an area of lower concentration.

Explanation:

Answer:

first option

What is the word equation for photosynthesis?

Answers

Answer:

The photosynthesis equation is as follows: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.

6CO2 + 6H2O → C6H12O6 + 6O2 ( all the 2’s are small 2’s at the bottom of the letter by the way )

please helpppp plzzzzzzzzz

Define hydrophobic.

Answers

Answer:

Meaning " water fearing". Hydrophobic compounds do not dissolve easily in water, and are usually non-polar.26 Jul 2004

hydrophobic means water fearing :)

What organelle contain dna tightly packed into chromosomes?

Answers

Answer:

nucleus

The nucleus itself is filled with liquid (called nucleoplasm) and is similar in structure and function to cytoplasm. It is here within the nucleoplasm where chromosomes (tightly packed strands of DNA containing all our blueprints) are found.

the answer is the nucleus because the dna and chromosomes are within the nucleus

Some bacteria of the same species and genotype can reduce sulfur anaerobically for energy, depending on the environment. This

an example of...

A)growth and response

B)genotype mutation

C)phenotypic plasticity

D)inclusive fitness

Answers

Answer:

C) phenotypic plasticity

Explanation:

The ability of an organism to change phenotypically according to environmental conditions is known as Phenotypic plasticity.

Organisms might adjust their morphology and physiology to a better performance in environmental heterogeneity.

Generalists species might present a higher magnitude of phenotypic plasticity than specialist species.

Sulfur-reduction bacteria are obligated anaerobic microorganisms, that are metabolically versatile. They might grow either as heterotrophs using organic molecules or as autotrophs using hydrogen and carbon dioxide.    

These bacteria are notoriously adaptable and might be found in many different environments (terrestrial and/or aquatics) where there is no oxygen due to aerobic decomposition of the organic matter.  

They can be found in anoxic sulfuric environments. In the soil, in estuaries mud, in freshwater, in sewage systems, salty waters, thermal water, sulfur deposits, in oil and gas wells, and even in animals and insects intestine.

 

c) combines the isolated gene of one organism with the DNA of a different organism. (1 point)

Answers

Answer: Recombinant DNA is the correct answer

Answer:

Recombinant DNA

Explanation:

How is dna like a ladder

Answers

All of the parts of the DNA combine to make rungs. Those rungs are attached together with other rings and the DNA is twisted in a dibble helix to get its shape.

Explanation:

The structure of DNA can be compared to a ladder. It has an alternating chemical phosphate and sugar backbone, making the 'sides' of the ladder. ... These bases make up the 'rungs' of the ladder, and are attached to the backbone where the deoxyribose (sugar) molecules are located.

Explain the protective significance of chromosomes condensing into tight coils during mitosis.

Answers

Answer:

Chromosomes condense before mitosis to allow them the ability to move smoothly, without becoming entangled and breaking. (So, they are conveniently packaged for cell division, in which the chromosomes must move to both poles of the cell.)

Explanation:Otherwise it would be a mess as they get tightly packed

help pls :’)

what are two ways people are trying to maintain biodiversity

Answers

Answer:

1.Support local farms. Regularly buying from small local farmers at stands or markets helps to keep dollars in the local economy and supports agricultural efforts to conserve biodiversity.

2.Habitat restoration.

Explanation:I look it up that what pop up

"Crossing Over" is a key part of the process because it leads to:

a
the completion of mitosis
b
growth and repair of body cells
c
genetic variation

Answers

Answer:

d

Explanation:i just know

Other Questions
Help me pleaseeeeeeeeeeee Do you think that the same principles of wildlife management apply to marineecosystems? Why or why not?| Find the area of the figure below in square centimeters. 10 cm 3cm 4 cm 6 cmUrgent Please Help What is the perimeter? The Mayan civilization a. lasted about 1,000 years. b. hit its peak about A.D. 750. c. was defeated by the Aztecs. d. came to a mysterious end. What is the difference between relative and absolute poverty? A scalene triangle is rotated 90 clockwise about the origin. Which of the following statements is not true? A. The new triangle is the same size as the original triangle. B. The new triangle is the same shape as the original triangle. C. The x-coordinates of the new triangle are the same as the x-coordinates of the old triangle. Help !!! What happens if you disconnect a circuit from its positive terminal BrainPOP question please help asap! ill give brainliest to the right answer Determine the amount of torqueapplied by a 1.0 m long pry bar with250 N of force acting on it. Assumethat the angle is 90. Write an equation of the line that passes through point P and is parallel to the line with the given equation. P(3,5); y=2x-6 Referring to the book "Nexctar in a Sieve" In at least one hundred words, describe how what Markandaya reveals about Kenny helps to shape his character, and which themes in Nectar in a Sieve are developed with this information. Help me if u known Spanish At a swim meet 20 medals were a warded. Four were gold metals 45% of the metals were silver the rest were bronze. What percent of the medals awarded were bronze The figures are similar. Find x 1. What two chemical content(s) of mast cells enable them to exhibit their unique property on mesentry spread (slides)2. What naturally occurring substance shares the properties of and elastic fibre3. Give one difference between dense and loose connective tissues, which is observable under the microscope4. Give one difference between regular and irregular dense connective tissues which is observable under the microscope Pauley graphs the change in temperature of a glass of hot tea over time. He sees that the function appears to decrease quickly at first, then decrease more slowly as time passes. Which best describes this function?A.) It is linear because the graph decreases over time.B.) It is linear because there is both an independent and a dependent variable.C.) It is nonlinear because linear functions are increasing functions.D.) It is nonlinear because linear functions increase or decrease at the same rate.please help meeeeee :) The voltage across the diode indicates the energy given to charge carriers (electrons and holes, but more about that later in the course.) If the diode turns on at X volts, then the charge carriers are getting X electron-volts of energy. The charge carriers can give up this energy by emitting a photon. How does the energy the charge carriers get at the turn-on voltage compare to the energy of a red photon please help me!!!!!!!! essay about an assignment in art