Define Evolution and Natural Selection

Answers

Answer 1
Answer:

Evolution may be defined as any net directional change or any cumulative change in the characteristics of organisms or populations over many generations—in other words, descent with modification… It explicitly includes the origin as well as the spread of alleles, variants, trait values, or character states.

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others

Explanation:

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Related Questions

oxygen will diffuse into cell in the diagram
why?

Answers

Answer: Because there's a higher concentration of oxygen molecules outside the cell compared to the cell's cytoplasm, you'll see that oxygen diffuses into the cell along this concentration gradient.

Explanation: Your welcome!!!

Oxygen will eventually diffuse into the cell because there is a higher concentration of oxygen molecules present outside the cell with respect to the cytoplasm of the cell.

What is Diffusion?

Diffusion may be defined as a type of process through which the movement of individual molecules of a substance takes place from an area of higher concentration to an area of lower concentration through a semipermeable barrier.

According to the definition of diffusion, the concentration of molecules of oxygen is found to be higher in the outside of the cell as compared to the cytoplasm. So, the molecules of oxygen start the process of diffusion in order to increase the concentration of oxygen in the inner atmosphere of the cell.

Therefore, oxygen will eventually diffuse into the cell because there is a higher concentration of oxygen molecules present outside the cell with respect to the cytoplasm of the cell.

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The insertion of the human insulin gene into the bacterium Escherichia coli allowed it to produce human insulin. Which type of organism is E. coli?
restriction organism
recombinant organism
transgenic organism
vector organism

Answers

The bacterium E.coli is a transgenic organism because human insulin is artificially produced through E. coli by genetically engineered processes. Thus, the correct option is C.

What is Human insulin?

Human insulin may be defined as a type of medication that functions as a hormone that controls the excessive level of glucose in the blood. Human insulin is utilized to accept the place of insulin that is naturally produced by the body.

Through a genetically engineered process, the insulin-producing gene is transferred to E. coli with the help of a plasmid vector, and then the human insulin is synthesized in the E. coli which is then extracted and injected into humans.

Therefore, the correct option is C.

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Answer: transgenic organism

Explanation: got it right on edge

Select the best answer for the question.
2. What should you do if you're asked to do a task that doesn't make sense to you?
A. Consult with your pharmacy professor.
OB. You shouldn't do the task.
OC. Ask your supervisor.
COD. Do it anyway.
Mark for review (Will be highlighted on the review page)
<< Previous Question
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Answers

The answer is C. Ask your supervisor

it is more beneficial to educate a male child than q female child

Answers

Answer: no

Explanation:

All people are equal and deserve equal opportunities. In Islam particularly, education is vital and it is often found in the Quran that "knowledge is power". Also, Islam explains that women are naturally smarter or at least their brains develop faster so if you really wanted to talk about who it is more beneficial to teach, some may say women. Not to mention that there are more women in higher education, where it is equally accessible, than men.

No, girls have the right same right to education as boys. Educated girls can make informed choices – and from a far better range of options. Educating girls saves lives and builds stronger families, communities and economies. An educated female population increases a country's productivity and fuels economic growth.

In a one D process, how many D values would it take to reduce a population of 1010 cells to one surviver?

Answers

10 D values would it take to reduce a population of 1010 cells to one survivor.

How is the D value used?

The significance of a chemical mechanism can be connected to the antagonism of a specific microbiological species that can be utilised as a biological indicator (BI), and can be defined in words of decimal decrease time (D-value).

Thus, 10 D values would it take to reduce a population of 1010 cells to one survivor.

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Question 9 (Multiple Choice Worth 2 points)
(05.04 MC)
According to the hierarchal classification of a select group of organisms given below, which two organisms are most closely related according
to Linnaean taxonomy and why?
Kingdom ANIMALIA
Phylum CHORDATA
Class MAMMALIA
Order CARNIVORA
Felidae
Felis Panthera
catus
pardus
Pardalis
Canidae
Canis
familiaris lupus
Ursidae
orelos
Ursus
horribilus
Canis familiaris and Felis catus, because they belong to the same class
Felis catus and Panthera pardalis, because they belong to the same family
antnera parous and ursus nomnens necause they belong to the same orner
Ursus arclos and Canis lupus, because they belong to the same genus

Answers

The two organisms that are most closely related according to Linnaean taxonomy are Felis catus and Panthera pardalis, because they belong to the same family

What is taxonomic classification?

Linnaean system of classification consists of a hierarchy of groupings called taxon. Each taxon is arranged in a hierarchical order.

The hierarchical arrangement of the taxon are as follows:

KingdomPhylum/DivisionClassOrderFamily GenusSpecies

These taxa are arranged from the most inclusive to the most exclusive i.e. members of the same species are the most closely related in that order.

This suggests that Felis catus and Panthera pardalis are the most closely related because they belong to the same family.

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b. If our forest supplies are used up faster than they are replenished, what products could be missing or hard to get in our society?

Answers

If forest supplies are used up faster than they are replenished, wood products will become scarce.

Any wooden furniture such as beds, tables, and chairs will be hard to obtain. Pencils,books, and paper will also be limited because they are wood products l.

According to the results, what is the pH of the
water? Check all that are correct.
Above 7
Basic
About 7
Neutral
Acidic
Below 7

Answers

Answer:

about 7 which is neutral

PLEASE HURRY <3
(FORENSIC SCIENCE)
Reflect on the types of evidence you expect to be found and collected from the Willow Lane crime scene, and make a list of the types of skills the technicians will need to help you process the crime. Then, draw a simple diagram of the secured area, including known elements of the crime. Label areas where you want to direct the technician's attention and for what type of evidence. Make sure you indicate the outer boundaries established for the crime scene. Finally, start a "crime scene logbook," making some notes recording information you currently know about the crime and the crime scene. Submit your list, diagram, and logbook.

Answers

Some evidence that can be expected to be found at the Willow Lane crime scene are:

Bullet casingsResidue on the driveway where the person that was running, fell.Blood droplets

Some of the skills of the technicians at the crime scene to process the crime are:

Crime Scene Investigator who is in charge of collecting and processing the physical evidenceCrime Scene Technician who is in charge of processing ballistics, drug, and blood evidence brought to the crime lab from the crime scene.

The crime scene logbook would be:

IMPORTANT PEOPLE

Medical 1st RespondersMike JenningsJim Jameson

Fire/Police 1st Responders

Fire Emergency Vehicle 4, Lakeland Station 5○

Lieutenant McMullen

FirefightersWilliamsHintCrammer

Police Cruisers 45 & 76

Traffic Officer Mullins (Arrived at 5:11 pm)○

Patrolman Jefferys

What is a Crime Scene?

This refers to the place or area where an offence has been committed and would likely require the services of a forensics team to gather evidence.

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How did Darwin investigate beauty in nature and human society?

Answers

Answer:

The experience of beauty is one component in a whole series of Darwinian adaptations. Beauty is an adaptive effect which we extend and intensify in the creation and enjoyment of works of art and entertainment. As many of you will know, evolution operates by two main primary mechanisms.

What is the name for a
complex, organized group of organisms?

Answers

Answer:

[tex]\textsf {species}[/tex]

Explanation:

[tex]\textsf {The term used to describe a complex, organized group of organisms}\\\textsf {would be species.}[/tex]


Which compound contains a triple bond

Answers

Answer:

Alkynes

Explanation:

a bond between two atoms involving six bonding

electrons instead of the usual two covalent single bond

What are some things that you can change in the simulation? Select all the apply

Answers

The things that you can change in the simulation are the number of days, amount of light, and position of light turned off or on. Thus, the correct options are A, C, and E.

What is Simulation?

Simulation may be defined as an investigation or instruction technique that propagates authentic events and methodologies under test conditions specifically.

In the simulation, some of the variable factors like the number of days involved in scientific analysis, the quantity of light given to a source, and its position may vary as per the requirement and your hypotheses.

Therefore, it is well described above.

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The area in the brain responsible for balance and fine motor control

Answers

Answer: The cerebellum

Explanation:

      The cerebellum is responsible for balance, fine motor control, and more. This means that the area in the brain you are looking for is;

                   The cerebellum

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Which of the following would most likely increase a person's risk of invasion by pathogenic microbes? select all that apply
Increased action of cilia
Loss of epidermal tissue
Decreased urine flow
Decreased interstitial fluid osmotic pressure
Increased intestinal motility

Answers

The following would most likely increase a person's risk of invasion by pathogenic microbes are the Loss of epidermal tissue.

What is pathogenic invasion?

The invasion of a number with the aid of using a pathogen can be aided with the aid of using the manufacturing of bacterial extracellular materials which act in opposition to the host with the aid of using breaking down number one or secondary defenses of the frame. Medical microbiologists talk to those materials as invasins.

Active cells, referred to as fibroblasts produce collagenous fibers and floor substances. Blood vessels quickly develop into the epidermis, restoring circulation. If the damage may be very minor, the epithelial cells sooner or later repair the dermis as soon as the epidermis has been regenerated.

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Which of the following are effects of climate change ?
Group of answer choices

Food shortages

Increase in forest fires

Unpredictable rain fall

More extreme weather events

Conflict over natural resources

Answers

Answer:

Unpredictable rain fall

Which type of cloud resembles a puffy cotton ball?
A. Cirrus
OB. Cumulonimbus
C. Cumulus
D. Stratus

Answers

The cumulus type of cloud resembles a puffy cotton ball. Thus, the correct option is C.

What are the different types of clouds?

The different types of clouds may include cirrus, cirrocumulus, cirrostratus (high clouds), altostratus, altocumulus, nimbostratus (middle cloud), stratus, stratocumulus (low cloud), and cumulus, cumulonimbus (vertical cloud).

Cumulus clouds skim like fluffy, white cotton balls in the sky. This type of cloud appears beautiful at the time of sunset and is scattered throughout.

Their tops are spherical, puffy, and illuminated white when sunshiny, while their posteriors are dull and moderately shady.

Therefore, the correct option for this question is C.

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Answer:

C. Cumulus

Explanation:

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You will need a fork, knife, and a spoon for the "predators" to "catch" the "prey". For the "prey" you will need three different objects (3 of each). Consider beans, uncooked pasta, or cotton balls.

Answer the following questions.

Which prey type do you think will avoid capture more often than the other prey types?

Which predator do you think will succeed in capturing the most prey?

Answers

In the simulation, the prey type that will avoid capture the most is the beans while the predator that will succeed in capturing the most prey is the spoon.

What are predator-prey relationships?

Predator-prey relationships are feeding relationships in which one organism kills and eats another organism for food.

The organism that kills the other is called the predator while the organism that is killed is called the prey.

In the simulation, the prey type that will avoid capture the most is the beans since it had the smallest surface area and size.

The predator that will succeed in capturing the most prey is the spoon because of its hollow nature.

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Which is a reactant for the photosynthesis reaction?
A. Adenosine triphosphate B. Oxygen C. Carbon dioxide D. Glucose

Answers

answer:

carbon dioxide !!

explanation:

hope this helps you !!

if i'm wrong pls let me know lol !!

Answer: Carbon Dioxide (CO2)

Explanation:
The photosynthesis reaction is as follows: 6CO2 + 6H2O + sunlight (energy) -> 6O2 + C6H12O6

Which of the following is NOT true about steroid hormones?
Select one:

A. All of the choices are true.
B. They bind on cell membrane receptors.
C. The cannot be made in advance.
D. They have a long half-life.
E. They are derived from cholesterol.

*Physiology*

Answers

All of the choices are true about steroid hormones and is therefore denoted as option A.

What is a Steroid hormone?

This substance known as steroid is derived from cholesterol and acts as a hormone in the body.

They have a long half life and bind to nuclear and cell membrane receptors for their appropriate action in the metabolic activities of the body such as homeostasis, immune response etc.

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eutrophication is the result of

Answers

Answer:

algae and aquatic plants

Explanation:

results from accumulation of nutrients in lakes or other bodies of water

Answer:

fertilizer runoff

Explanation:

During the mining process, which step immediately follows separating the mineral from the waste rock?

refining
distribution
crushing and milling
drilling and blasting asap please

Answers

Comminution

 In order to separate the valuable components of an ore from the waste rock, the minerals must be liberated from their interlocked state physically by comminution.

The step that immediately follows separating the mineral from the waste rock during the mining process is crushing and milling. Therefore, the correct statement is option C.

What is crushing and milling?

When the mineral gets separated from the waste rock in the form of large chunks, it further needs to be processed before it can be used. Crushing and milling break down the mineral into smaller pieces, which are easy to be processed early and refined.

Crushing uses mechanical force to break down the mineral, while milling grinds the mineral into a fine powder using heavy machinery such as crushers, ball mills, etc.

After the crushing and milling process, the mineral is more suitable for further processing, which involves additional steps such as flotation, leaching, etc. The final product formed is then distributed to the market.

Therefore, crushing and milling involve separating the mineral from the waste rock during the mining process.

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Select the correct answer from each drop-down menu.
Nick’s swimming goggles are made of blue plastic. When he straps them on, he notices that the goggles change the color of the objects around him. A white ring buoy appears ____, 1. blue 2. violet 3. white, because the blue plastic ____, 1. absorbs 2. reflects 3. refracts, all colors of light except blue. Only the blue light _______, 1. absorbed by 2. reflected from 3. refracted by, the ring buoy passes through the blue plastic.

Answers

Answer:

Q.1: Blue

Q.2: Reflects

Q.3: Reflected

What is the name of the region where double-stranded single circular DNA is found in the Prokaryotic cell?

Answers

Answer:

the nucleoid

Key Points. Prokaryotic cells lack a defined nucleus, but have a region in the cell, termed the nucleoid, in which a single chromosomal, circular, double-stranded DNA molecule is located.

How do fish live in the nature without dying out of eating all the time?​

Answers

Answer:

Fish not only live in water, but they get oxygen from water. They breathe by taking water into their mouths and forcing it out through gill passages

Explanation:

Oxygen diffuses from the
enters red blood cells.
A. Artery, plasma membrane
B. Capillary, Artery
C. Alveolus, capillary
D. Plasma membrane, Alveolus

Answers

C alveolus capillaries

Which forms as a result of compressional stress?
anticline and syncline
normal fault
strike-slip fault
fault-block mountain

Answers

Anticline and syncline forms as a result of compressional stress. Thus, the correct option is A.

What is anticline ?

Folds known as anticlines occur when formerly horizontal strata have been folded upward and the two limbs deviate from the surface.

When rocks deform in a ductile way, they may bend or fold, and the resulting structures are known as folds, rather than shattering to produce faults or joints. Folds are caused by compressional or shear pressures operating over a long period of time. Such folds originate from rocks that we often consider brittle behaving ductilely when the strain rate is low and/or the temperature is high.

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Answer: A

Explanation: E 2022

Lysis is best described as: A. When a cell takes in too much water from Osmosis, swells, and bursts. B. When a cell loses too much water from Osmosis, and shrinks. C. The balance of concentration inside and outside of the cell. D. The production of energy in the cell.

Answers

Answer:

A.

Explanation:

Lysis is best described as :

A. When a cell takes in too much water from Osmosis, swells and bursts.

Hope it helps!

Osmotic lysis is the bursting of a cell caused by an excess of fluid, often known as "cell explosion" or "cytolysis." The cell's membrane is too small to contain the extra fluid, leading the membrane to rupture, or lyse. Thus option  A is correct.

What is osmotic lysis ?

The bursting or rupturing of a cell membrane caused by the osmotic flow of water into the cell in a hypotonic environment.

Animal cells and certain microorganisms undergo osmotic lysis. Water tends to migrate inside the cell when it is in a hypotonic environment. When the cell membrane can no longer withstand the enormous influx of water, it ruptures.

Because the cell wall contains the turgor pressure, osmotic lysis does not occur in plant cells.

Therefore, lysis is best described as when a cell takes in too much water from Osmosis, swells, and bursts. Thus, option A is correct.

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What do stabilizing selection and directional selection have in common?

A. They are both forms of genetic drift.

B. They both decrease genetic variation.

C. They are both caused by female choice.

D. They both favor extreme phenotypes.

Answers

Answer:

they both decrease genetic variation

write the structure of root​

Answers

Explanation:

Typical roots contain three different sections, or zones: the meristematic zone, the zone of elongation, and the zone of differentiation. In the meristematic zone, named after the apical meristem, the plant cells undergo rapid mitotic division, creating new cells for root growth.

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Read the scenario.Jamal is discussing why he thinks a speaker uses ethosin her speech. He explains that the speaker's referenceto a NASA study supports her purpose.What would be the best question for another groupmember to ask Jamal?What purpose does the speaker support with ethos?What topics are best to use when appealing to ethos?How did the speaker determine her purpose whenwriting the speech?O Why does the speaker use ethos instead of pathos? Help please asap points an brainlist Write a paragraph about one of these department stores. Describe the clothes, the brands, and the prices. Then compare them to those in the places you shop. When some water condensedonto a glass, it released 9.15 Calof energy. How many joules ofenergy is this?[?] joules 5.3.2 Quiz: Managing TaxesQuestion 5 of 10A tax added to the cost of an item bought at a store is a(n)A. property taxB. credit taxC. sales taxD. income taxSUBMIT A client with chronic obstructive pulmonary disease (copd) expresses a desire to quit smoking. the first appropriate response from the nurse is: write down some of the major threats posed to the great pyramids by the environment Phoebe takes her two children to story time at the local public library. Which factor is affecting her parenting?Select one:O a. Socioeconomic statusO b. Work lifeOc. Early relationshipsOd. Community resources what 1 - 2/9 - 1/3 - 1/6 = What would be the effect of adding a proton to a nucleus?A. It would increase the strong nuclear force and increase theelectrostatic force.B. It would decrease the strong nuclear force and decrease theelectrostatic force.C. It would increase the strong nuclear force and decrease theelectrostatic force.D. It would decrease the strong nuclear force and increase theelectrostatic force. Review how adjectives change to Match the nouns they modify. Then choose the correct form or the adjective for these nouns (In Spanish) Lesson 1, What is Physical Science.Write an expository essay explain the difference between scientific knowledge and other kinds of science, include ideas regarding:1) the scientific method. 2) true science versus false science. 3) examples of what scientists study and do not study. 4) what is required for a scientist to consider an idea to be true. What are the missing parts that correctly complete the proof?Drag the answers into the boxes to correctly complete the proof.(Please refer to the images provided for the answer options and equation image.) Tobias has mononucleosis. Mononucleosis is a disease that tires and weakens the body. It is caused by a contagious virus that is transferred through direct contact. Which would be the best explanation of how Tobias contracted mononucleosis? Which is the result of a seasonal change?A. Trees dying from air pollution B. A bear hibernating C. A bat capturing mosquitoes D. Average temperatures rising each year what is the size of the rc.conf file in bytes Which narrative technique does the author include in this excerpt, and how does it support the authors purpose?. The resistivity of pure water is fairly high, 1.8 105 m, whereas the resistivity of sea water is a million times lower, 2 10-1 m. Why does the high salt concentration make sea water significantly less resistive (i.e. more conductive) than pure water? Large eggs weigh 1/1/2 pounds per dozen. Dawn bought eight large eggs. How much did the eggs weigh A point located on the second hand of a large clock has a radial acceleration of 0. 1cm/s2. How far is the point from the axis of rotation of the second hand?