Which of the following increases genetic variation by forming entirely new alleles?

Natural selection
Genetic drift
Mutation
Gene flow

Answers

Answer 1

Answer:

Mutation causes brand new alleles the others just modify the rates at which preexisting alleles appear in the population.


Related Questions

31. Which sequence shows increasing ecological
levels of organization?
A. organism, population, community, ecosystem
B. ecosystem, population, organism, community
C. community, ecosystem, population, organism
D. population, organism, ecosystem, community

Answers

Hello there, kawissaehsshen!!!

The answer here would be A.  The organism is a singular thing, so it should be first. The population comes next - it is all the same type of organism living in one ecosystem. Next is community - this is all the living organisms in the area. Lastly, there is the ecosystem - the organisms, their habitats, and everything else.

I really hope this helps you!!

Look at the diagram.
Which two structures are first to combine in translation?
20004
• 1 and 2
• 3 and 4
• 2 and 3
• 1 and 4

Answers

Answer:

2 and 3

Explanation:

which are the tRNA with anticodons and the amino acids

Describe how radio telescopes are used to explore space.

Answers

Answer:

A radio telescope is a form of radio receiver used in astronomy. In contrast to an "ordinary" telescope, which receives visible light, a radio telescope sees radio waves emitted by radio sources, typically by means of a large parabolic (or a "dish") antenna, or arrays of them.

Explanation:

What is one result of the convection currents in Earth's outer core?

a
Erosion
b
Earth's magnetic field
c
Earth's gravity
d
The melting of the polar ice caps

Answers

Answer:  b. Earth's magnetic field

Explanation:

Energy that comes from the Sun
1. chlorophyll 2.Photosynthesis
3.Radiant energy
4.Phytoplankton

Answers

Answer:

2

Explanation:

Chlorophyll is the molecule that absorbs sunlight and uses its energy to synthesise carbohydrates from CO2 and water. This process is known as photosynthesis and is the basis for sustaining the life processes of all plants.

Cory states the following argument about the evolution of aardvarks and anteaters.

"Aardvarks and anteaters both use long, sticky tongues to capture and eat ants or termites. Aardvarks are native to Africa, while anteaters are native to the Americas. However, their similarities provide evidence that both groups of species evolved from a common ancestor that used its tongue to eat ant-like insects."

Which claim, if supported by evidence, would provide the strongest counter-argument AGAINST Cory's argument?
A. The tongues and diet of aardvarks and anteaters are an example of convergent evolution.
B. The tongues and diet of aardvarks and anteaters are an example of adaptive radiation.
C. The Americas and Africa were once joined together, and animals roamed freely between the two lands.
D. A long, sticky tongue evolved in response to the tunneling behavior of ants, an example of coevolution.

Answers

So for the answer for this one is going to be d

PLEASE HELP ME!!!!
IT IS FOR BIOLOGY!!!

Answers

Answer:

B.

Explanation:

If the fish population is decreasing, then there will be a loss in biodiversity, then causing a problem in the ecosystem.

The answer to your question would be B. Hope this helped!

If data for the growth of this bacterial population continued to be recorded, would the data point at 60 hours be above or below 37 million? Support your answer.

Answers

Answer:

Above 37 million

Explanation:

Explanation in picture below

Growth of bacterial cultures is defined as an increase in the number of bacteria in a population rather than an increase in the size of individual cells.

Thus, Bacterial population growth occurs geometrically or exponentially: in  each division cycle (generation), one cell produces 2 cells, then 4 cells, then 8 cells, then 16, then 32, etc.

The relationship shows that the average generation time is constant and  the growth rate of the bacterial population is proportional to the number of bacteria at any given time.

This relationship is valid only during the period when the population grows exponentially, ie. in  the logarithmic phase of growth. Therefore, graphs showing the growth of bacterial cultures are plotted as the logarithm of the number of cells.

Thus, Growth of bacterial cultures is defined as an increase in the number of bacteria in a population rather than an increase in the size of individual cells.

Learn more about bacterial population, refer to the link:

https://brainly.com/question/27753612

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Can someone help me

Answers

I answered the two questions I hope they are right

pls help i am failing

Answers

methionine

lysine

phenylalanine

leucine

alanine

glycine

Is chloroplast eukaryotic or prokaryotic?

Answers

Answer:

Chloroplasts are eukaryotic, as they are present in all eukaryotic cells and all prokaryotic cells lack chloroplasts

Explanation:

Which of the following is not a product or use of tropical rainforests?
a.
food
b.
medicine
c.
tourism
d.
none of the above


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

D

Explanation:

Trees give food

Tourist come to see trees sometimes

Medicine sometimes comes from tree herbs

That's all I know..hope it helps

Answer:

its d guys !

Explanation:

I NEEEEEEDDDDDD HEEEEELLPPPPPPP

Answers

The answer is Homeostasis

Answer:

Homeostasis

Explanation:

Homeostasis is the process which maintains the temperature level of our body.

write two examples of consumers tell whether they are herbivores omnivores carnivors or scavengers

Answers

Answers

Lion,Tiger -Carnivores

vulture- scavenger

Cow,sheep -Herbivores

Man, Pig -Omnivores

A panda (herbivore) eats bamboo shoots and leaves, while a lion (carnivore) preys on other animals.A bear (omnivore) eats both plants and animals, while a vulture (scavenger) feeds on the remains of dead animals.What are consumers?

In an ecosystem, consumers are organisms that obtain their energy and nutrients by feeding on other organisms. They are a vital part of the food chain, and they come in different sizes and types.

Consumers can be classified into several categories based on what they eat. For example:

Herbivores: These are animals that consume only plants for their food. Examples include rabbits, cows, and giraffes.

Carnivores: These are animals that consume other animals for their food. Examples include lions, tigers, and sharks.

Omnivores: These are animals that eat both plants and animals. Examples include humans, bears, and raccoons.

Scavengers: These are animals that feed on the remains of dead organisms. Examples include vultures, hyenas, and some types of beetles.

Consumers play an important role in an ecosystem, as they help to transfer energy and nutrients from one level of the food chain to another. They are an integral part of maintaining the balance and stability of an ecosystem.

Learn more abut consumers, here:

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Due to sun damage, a skin cell acquired a mutation in DNA sequence in a gene essential for cell survival. This mutation, however, was not passed on to the offspring of the organism. Which explanation best accounts for this observation?

Answers

Answer:

Only mutations in reproductive cells can be passed from parents to offspring.

Explanation:

4. While on the Galapagos Islands, Darwin observed variety in one type of
animal that was later used to help him form his theory of natural selection.
Which type of animal was this? *
Finches

Giant turtles

Lemurs

Bananas

Answers

He found many varieties of Finches

The north pole of a compass magnet points toward
O A. magnetic north
B. geographic south
C. geographic north
D. magnetic south
SUBMIT

Answers

D. Magnetic south

Hope this helps :)

DON'T GIVE ME A LINK! ANSWER THE QUESTION!
A student wants to use cookies to make a model of the genetic makeup of the offspring of asexual reproduction. He has vanilla cookies and chocolate cookies available. How can he make his model?
A.
Put chocolate cookies in a row with arrows between them showing the progression from parent to offspring.
B.
Use one chocolate cookie parent with arrows showing that it produces vanilla cookies and chocolate cookies as offspring.
C.
Use chocolate cookies and vanilla cookies as the parents, and vanilla cookies and chocolate cookies as the offspring.
D.
Use chocolate cookies and vanilla cookies as parents, and combine half a vanilla cookie and half a chocolate cookie for the offspring.
(sorry if this sounds a little aggressive but I'm tired of people giving links to files that are dangerous for children, especially a site made up for children who knows how old. I don't want anything to happen to them that can traumatize them for the rest of their lives)

Answers

Answer: its D i hope

Explanation:

Different species often have structures that are used differently but are very
similar in form. Which of the following hypotheses is supported by this
evidence?
HELP PLEASE

Answers

Answer:i think its d

Explanation:

Rocks are made of collections of mineral grains that are held together in a firm, solid mass. Rocks are identified primarily by the minerals they contain, their color, and their texture.

Based on this passage, you can infer...

A. Rocks are classified into three major groups
B. Rocks form from the cooling and hardening of molten rock
C. A rock's origin is the way it was formed
D. Each type of rock has a distinctive set of minerals

OMG PLSSS HELP ME PLS PLS PLS!!!!!!!

Answers

Answer:

Explanation: it’s a

An increase in heart rate (your heart pumps faster) results in...

Answers

Answer:adreninal rushes after doing workouts

Explanation:

Explanation:

it can mean that your are running or moving around or that you are having adrenaline rush or just did cocain or so other drug

Which of the following is true about our body's system?

a The skeletal system sends messages to the body
b Blood cells are pat of the nervous system
c The digestive system helps carbon dioxide leave the body through the lungs
d The digestive systems helps break down food into energy

Answers

Answer:

D. The digestive system helps break down food into energy.

Explanation:

Hope this helps! I am 100% certain that this is the correct answer.

What is the main body system affected from sickle cell anemia?

Answer choices:

Digestive System

Nervous system

Circulatory System

Respiratory system

Muscular System

Skeletal System

Answers

Answer:

Any and all major organs are affected by sickle cell disease. The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer damage from the abnormal function of the sickle cells and their inability to flow through the small blood vessels correctly.

Explanation:

Answer:

The main body system affected by sickle cell anemia is the Circulatory system.

Explanation:

According to John Hopkins Medicine (a reliable source), "Any and all major organs are affected by sickle cell disease. The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer damage from the abnormal function of the sickle cells and their inability to flow through the small blood vessels correctly."

Plz help fast will mark brainliest!!!

Answers

Answer:

100 miles per hour

Explanation:

PLEASE HELP

Which of the following is not a random occurrence?

A selection of the best-suited traits for the environment, leading to adaptive evolution
Genetic drift changing the gene pool of a population and creating fluctuations in the allele frequencies
The bottleneck effect after an earthquake, resulting in a reduction of genetic variation
The founder effect, when a small population is isolated and the gene pool significantly reduced from the parent population

Answers

Answer: A selection of the best-suited traits for the environment, leading to adaptive evolution brainliest

Explanation:

Two interacting systems involved in plant transport are shown here. Which statement best describes the function of xylem and phloem in transporting substances throughout the plant?

Answers

Answer:

C. Xylem transport water and nutrients from the soil to the leaves while phloem transport carbohydrates from the leaves to the rest of the plant.

Explanation:

Students learned that the job of one body system is to filter out cellular
wastes, toxins, and excess water or nutrients. Which body system has
this function? *
A. Excretory system
B. Muscular system
C. Endocrine system
D. Skeletal system




HELP ME PLEASE ❤️

Answers

Answer:

A. Excretory system

hope it helps

The neurons that send signals from the brain to the body muscles are motor neurons
true or false ​

Answers

Answer:

true

Explanation:

CO
Ecosystem productivity is principally limited by
a. sunlight and nutrient availability
b. water and nutrient availability
the availability of time and nutrients
d. none of the above
C.
Please select the best answer from the choices provided
A
B

Answers

Answer:

a. sunlight and nutrients availability.

hope this helps you ☺️☺️

Answer:

A

Explanation:

which of the following scientists can be identified as a taxonomist?

Answers

Answer: Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world. Using morphological, behavioral, genetic and biochemical observations, taxonomists identify, describe and arrange species into classifications, including those that are new to science.

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Paula kitten weighs 3 1/2 pounds write this weight in the boxes using pounds and ounces. Help me please please help me please When the allies invaded Normandy Beach (D-Day), how did this impact Germany? Which of the following quotes are examples of irony in the text? (SELECT THREE)"I'm seventeen and I'm crazy. My uncle says the two always go together. When people ask your age, he said, always say seventeen and insane.""You know, I'm not afraid of you... So many people are. Afraid of firemen, I mean.""Do you ever read any of the books you burn?" He laughed. "That's against the law!""My uncle was arrested another time-did I tell you?-for being a pedestrian."He wore his happiness like a mask and the girl had run off across the lawn with the mask and there was no way going to knock on her door and ask for it back. Can someone please answer this? What is neutralisation reaction? Give an example with reaction involved. State two uses of neutralisation reaction in everyday life. During which stage of the cell cycle do Mitosis and Cytokinesis occur? (I will give brainliest? Find the value of Y helpppp What is the factored form of 8y2 + 12y?a 4 (4y2 + 8y)b 8y(y + 4)c 4y (2y + 3)d 8y (y2 + 4) Find the area of the composite figure? Janie ordered boxed lunches for a student advisory committee meeting. Each lunch costs $4.25. The total cost of the lunches is $53.75, including a $7 delivery fee.Part AWhich equation will help you find x, the number of boxed lunches Janie ordered?a 4.25x = 60.75b 4.25 + 7x = 53.75c 4.25x + 7 = 53.75d 4.25(x + 7) = 53.75Part BSolve the equation from Part A to find x.x = _____ Is this right? Please help me A students AP statistics project involves comparing the time it takes a student to complete a set of 25 basic trinomial factoring problems while listening to either rap music or country music. Twelve students are timed on two different sets of problems of equal difficulty. The order of which set of problems he does first and which music he listens to first are randomized. The resulting data is thus paired, with each student acting as his own "pair." Which of the following conditions is required to perform a t-test on these paired data?A. The distribution of times for all students on each set of problems must be approximately Normal.B. The distribution of times for all students while listening to each type of music must be approximately Normal.C. The distribution of times for all 24 sets of problems (12 students are taking 2 tests each) must be approximately Normal.D. The distribution of differences between each individual students times on each of the two tests (time with rap time with country) must be approximately Normal. Select the phrase that uses capitalization correctly B. a document called The Bill Of Rights 0 A. a book called Harry Potter And The Sorcerer's Stone O C. a song called "My Heart Will Go on" D. a movie called The Bride of Frankenste Click to select your answer. HELP ASAP!! I will give brainlist!! THANK YOU! A picture of Margo's garden is shown below. It is made of 2 rectangular prisms. She wants to-10 feet -1 foot3 feet7 feet3 feet7 feet2 feet09 cubic feetO 10 cubic feet0 98 cubic feet0 107 cubic feet Please help givin brainliest Find B if the graph of the equation 3x=By+2 is perpendicular to the graph of 3y=-2x+4.And please do a real answer. Describe the difference between a bar graph and a circle graph. Complete the chart which of these clues help you understand what the object means