frequencies of alleles in a population occasionally change due to random changes. this process is called

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Answer 1

Answer: Genetic Drift

Explanation:

It's all based on sampling errors.


Related Questions

Anwser this Please Thank you

Answers

Answer:

1. It can make people feel better and respected

Explanation:

Which of the following cells is responsible for maintaining bone and the correct levels of oxygen and minerals?

Answers

Answer:

c. Osteocytes

Explanation: is correct

Why is food web more practical in nature than food chain

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Answer:

Hey mate.....

Explanation:

This is ur answer....

A food web is a more realistic way of portraying an ecosystem than a food chain because food chains imply that organisms only eat one type of organism which is rarely true. In a food chain predators occupy higher levels than their prey. Food webs are more complicated diagrams that are not purely linear.

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A teacher showed this animal to students on a field trip. Which tool will the students use to record the animal's behavior? A. Graduated cylinder B. Notebook C. Tape measure D. Hand lens​

Answers

Answer:

note book

Explanation:

nothing else would work

The following list of events happens during meiosis:

Prophase I: Crossing over between homologous chromosomes occurs.
Metaphase I: Tetrads line up at the metaphase plate.
Anaphase I: Tetrads are separated.
Telophase I: Nuclear envelopes reform around the separated chromosomes.
Prophase II: Chromosomes condense.
Metaphase II: Chromosomes line up at metaphase plate.
Anaphase II: Sister chromatids separate into daughter chromosomes.
Telophase II: Nuclear envelopes reform around the daughter chromosomes.
Identify the answer choice that correctly lists the events from above that lead to new genetic combinations in the gametes.

(1 point)

1 and 2

1, 2, and 5

5 and 6

5, 6, and 7

Answers

Meiosis is a form of cell division that occurs in the sex chromosomes. This form of division ensures genetic diversity and also allow for the chromosome set to be halved.

The events from above that lead to new genetic combinations in the gametes include:

Prophase I: Crossing over between homologous chromosomes occurs.

Metaphase I: Tetrads line up at the metaphase plate

(1 and 2) option a.

During meiosis, possibilities of new genetic combinations occurs which allows for variations to exist between the offspring and parents. These ensures that offspring are not entirely identical to the parents and also allow for survival and other benefits.

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what is the answer tho just asking?

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Answer:

I don't see any thing lol

1. What charts, tables, or drawings would clearly show what you have learned in this lab?
Each chart, table, or drawing should have the following items:
a. An appropriate title
b. Appropriate labels

Answers

The answer is

B. Appropriate labels

Which type of interaction is described below? ________ interactions occur between individuals of two or more different species.​

Answers

Symbiosis is the interaction between individuals of two or more different species

lab report interdependence of organisms. plz someone tell me the project i need everything not just the data

Answers

Answer:

Introduction Purpose: Explore the interdependence of organisms by  

performing an experiment with lima bean plants and earthworms. Question: How can the presence of one species benefit another in  

the same ecosystem?  

Hypothesis: If plants grow in soil containing worms, then the  

plant growth will be greater, because worms help decompose organic matter and distribute it through the soil in a form that plants can use.

Explanation:

Nitrites are added to foods to: a. prevent formation of carcinogens. b. change their color. c. improve their nutritive value. d. inhibit rancidity. e. improve their texture.

Answers

Nitrites are added to foods to inhibit rancidity. These compounds are used in the food, chemical and pharmaceutical industries.

Nitrites are conservant that prevent the growth of Clostridium botulinum and Listeria bacteria.

These bacteria (Clostridium botulinum and Listeria) are harmful to human health, thereby nitrites must be added to foods.

In meats, nitrites also exhibit some other beneficial properties which include the pink color, antioxidant properties, and savory flavor.

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Severe combined immune deficiency (SCID) describes a condition in which neither _____ nor _____ are functional. Question 1 options: innate; acquired immune responses MHC class I; MHC class II molecules T-cell-dependent antibody responses; cell-mediated immune responses classical; alternative pathways of complement

Answers

Answer: Cell dependent antibody responses; cell-mediated immune responses

Explanation: We know that this is an immune deficiency, so it has to do with something in the immune system and its immune cells. The cells of the immune system help to make sure things travel safely as well as the antibodies they produce.

Arteries have high blood pressure
and are fairly deep in your body.
What is the function of the
arteries?
A
delivering OXYGEN-RICH blood to the body
В.
delivering OXYGEN-POOR blood back to
the heart
Using Alternative
Server
All Rights Reserved.

Answers

Answer:

A. Delivering Oxygen-rich blood to the body.

Explanation:

I hope this helps!

Answer:

a. delivering oxygen - rich blood to the body

Explanation:

Arteries are the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body.

true or false along with natural selection,genetic drift has profoundly affected the evolution of human traits throughout our species history

Answers

Answer:

yes

Explanation:

due to drift / variation human has been able to atttain high and advanced level of intelligence and development

the type of voltage-gated channel that possesses an inactivation gate that temporarily closes after the channel is active is the

Answers

The sodium channel possesses an inactivation gate that temporarily closes after the channel is active.

In neurons, sodium channels are responsible for the ascending phase of the action potential (depolarization).

Characteristically, this channel has two transmembrane voltage-dependent gates.

When the membrane is depolarized to the threshold, both gates are activated, but since one of them opens rapidly while the other closes slowly, the channel remains open for less than 2-5 milliseconds.

Therefore, we can conclude that the sodium channel is responsible for the depolarization and possesses two gates which one temporarily closes after the channel is active.

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experiments with isotopes used as tracers showed that some fungi _____.

Answers

Help plants by providing them with sugar.

19. Dax just completed a report on car transportation. He concluded that gasoline
prices will likely rise significantly in the years to come and recommends lower-
cost car transportation for the future. Dax's younger sister, Ava, just completed a
report on air pollution. Ava concluded that gasoline-powered cars cause too
much pollution and recommends that they should not be used in the future.
Which of the following is a solution for the future that would follow both Dax's
and Ava's recommendations?

Answers

A solution for the future that would follow both Dax's and Ava's

recommendations will be to develop cars that run on fuels that pollute less

and cost less than gasoline.

The use of other fuels such as electricity is cheaper than gasoline and will

help tackle the problem of the rising cost of gasoline.

The use of alternative sources doesn't involve the release of gases such as

carbon monoxide etc which pollutes the environment as carbon isn't burned

when electricity is used.

Read more on https://brainly.com/question/24301962

Answer:

development of cars that run on fuels that pollute less and cost less than gasoline

Explanation:

You are looking at a stained smear of horse blood and you see a leukocyte with large red granules in its cytoplasm. What cell are you most likely seeing

Answers

Looking at a stained smear of horse blood and seeing a leukocyte with large red granules in its cytoplasm. I am most likely seeing a granulocyte, an eosinophil in particular.

Leukocytes are white blood cells and there are various types of white blood cells including granulocytes, agranulocytes.

Granulocytes are white blood cells present with granules and produced in the bone marrow. There are three types of granulocyte; they include eosinophil, basophil and neutrophil.

Eosinophils are white blood cells with large granules and they stain red with dye. Their nucleus is also made up of two unsegmented lobes.

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Which body system is depicted in the body

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Answer:

The human body is comprised of a series of complex systems, including the skeletal system, the respiratory and digestive systems, as well as the intricate networks of blood and lymph vessels, all controlled by the brain and nervous system. 

Your body's 2nd choice of food group to break down for energy?

Answers

Answer:

protein

Explanation:

because it has many functions andreplaces most nutrients

a cockroach is a fast-moving insect. how can an animal with an open circulatory system be so speedy?

Answers

Cockroaches have 6 legs and each leg has 3 knees, 18 knees in total. Since the cockroach has so many joints in its legs its can accurately pick up speed when running away from something

An animal like a cockroach with an open circulatory system is so speedy because in these organisms tracheal system delivers oxygen throughout the body.

What is an Open circulatory system?

An open circulatory system may be characterized as a type of circulatory system in which blood vessels are completely absent and blood generally flows freely through the cavities of the body. This type of circulatory system is present in arthropods.

Due to the absence of blood vessels, the flow of blood is extremely high in animals that have an open circulatory system. Apart from this, in cockroaches, oxygen is carried out through the tracheal system because of the absence of the lungs. So, it makes the process so speedy.

Therefore, an animal like a cockroach with an open circulatory system is so speedy because in these organisms tracheal system delivers oxygen throughout the body.

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What is the process in which a hydrogen ion brakes off of the water molecule forming one H+ ion and an OH- ion

Answers

Answer: Neutralization.

Explanation:  When a base and an acid are mixed, the hydroxide ion and the base combines with the hydrogen ion from the acid to form water. This process is called neutralization.

Use examples to explain how the geosphere interacts with two other of Earth's spheres. Explain the interaction for each using complete sentences. HELPPPP

Answers

Several examples of sphere interactions can be inferred from this photograph: Humans (biosphere) built a dam out of rock materials (geosphere). Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).

(PLEASE MARK ME AS BRINLIEST)

Answer: Dont have one just wanted to help this person get brainliest

Explanation: I like helping

small substances are passively moved from the blood to the filtrate in:

Answers

Answer:

I believe it would filter in the Glomerular filtration.

Explanation:

I dont think you really need one based on the question.

Can climate changes be linked only to the greenhouse effect? Why or why not?

Answers

An increase in the atmospheric concentrations of greenhouse gases produces a positive climate forcing, or warming effect. ... The warming effect associated with carbon dioxide alone increased by 36 percent

Which gas is produced as a result of cellular respiration.

Answers

Answer:

Carbon dioxide

Explanation:

Explain how various depressants affect nervous system activity and behavior (alcohol, barbiturates, and opiates)

Answers

Answer:

They kill you

Explanation:

They kill you

¿Cuales son las funciones vitales de la célula?

Answers

Answer:

La célula es el ser vivo más simple y, por lo tanto, realiza sus tres funciones vitales: Función de nutrición. Función de relación. Función de reproducción.

Explanation:

Answer:

Cells can play out the three imperative capacities: nourishment, relationship, and generation.

Explanation:

What is different about normal cell division and cancer cell division?

Answers

In contrast to normal cells, cancer cells don't stop growing and dividing, this uncontrolled cell growth results in the formation of a tumor. Cancer cells have more genetic changes compared to normal cells, however not all changes cause cancer, they may be a result of it

What is the large blood vessel that carries blood from the heart to the lungs

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Answer:

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pulmonary artery: A blood vessel that carries blood from the heart to the lungs, where the blood picks up oxygen and then returns to the heart.

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What blood vessels carry blood from the heart to the lungs?

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Quora

Question

What are the blood vessels that carry blood to and from the lungs?

Answer · 5 votes

To expand on Dr. Herman’s answer. The pulmonary artery, originating in the right ventricle, carries deoxygenated blood from the heart to the lungs (most other arteries, though, carry oxygenated blood), to be oxygenated in the lungs. The pulmonary veins, terminating in the left atrium, carries oxygenated blood (most other veins, though, carry deoxygenated blood) from the lungs to the heart, to be distributed to the rest of the body.

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Question

Blood vessel that carries blood from the heart to the lungs is: a. The Pulmonary Artery. b. The...

Answer · 0 votes

The correct answer is _The Pulmonary artery_. The blood vessel that carries blood from the heart to the lungs is the Pulmonary artery. Arteries...

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Socratic

Question

Which blood vessels carry blood away from the heart?

Answer · 0 votes

Arteries & Veins. Explanation: The ARTERIES are major blood vessels connected to your heart. 1. The pulmonary artery carries blood from the right side of the heart to the lungs to pick up a fresh supply of oxygen. 2. The aorta is the main artery that carries oxygen-rich blood from the left side of the heart to the body. 3. The coronary arteries are the other important arteries attached to the heart. They carry oxygen-rich blood from the aorta to the heart muscle, which must have its own blood supply to function. The VEINS also are major blood vessels connected to your heart. 1. The pulmonary veins carry oxygen-rich blood from the lungs to the left side of the heart so it can be pumped to the body. 2. The superior and inferior vena cavae are large veins that carry oxygen-poor blood from the body back to the heart.

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Question

What name is given to the blood vessel that carries blood from the heart to the lungs? (a)...

Answer · 0 votes

The correct answer is option A. During pulmonary circulation, deoxygenated blood from the heart flows to the lungs through pulmonary arteries. The...

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Brainly.in

Question

Name the large blood vessels that carry blood from the heart to lungs

Answer · 2 votes

Hii mate ☺☺pulmonary artery: A blood vessel that carries blood from the heart to the lungs, where the blood picks up oxygen and then returns to the heart. pulmonary vein: One of four veins that carry oxygen-rich blood from the lungs to the heart.

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Wyzant

Question

Which vessel in the heart receives deoxygenated blood? a. Aorta b. Pulmonary Vein c. Vena Cava d. Pulmonary Artery

Answer · 0 votes

B. Pulmonary ArteryAs a general rule, all Arteries in an adult human carry oxygenated blood. (Away from heart)Veins (think venir "to come" in Spanish) will carry deoxygenated blood back to the heart. The exception to this is the pulmonary vessels as the pulmonary veins bring back freshly oxygenated blood exchanged at the lungs. Hope it helps!

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Toppr

Question

Blood vessel carrying blood from the lungs to the heart is

Answer · 3 votes

A blood vessel carrying blood from the lungs to the heart is pulmonary vein. There are four pulmonary veins, two from each lung that drains into the left atrium of the heart. Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart. This differentiates the pulmonary veins from other veins in the body, which are used to carry deoxygenated blood from the rest of the body back to the heart.So, the correct answer is 'Pulmonary vein'.

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Byjus

Question

Which of the following blood vessel carries carbon dioxide rich blood from heart to the lungs-

Answer · 0 votes

The correct option is B Pulmonary arteryArteries transport oxygen rich blood to all parts of the body from the heart. Veins transport carbon dioxide rich blood ...

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Brainly.in

Question

large blood vessel that carries blood away from the heart?

Answer · 1 vote

Answer :-ArteryExplanation :-The Pulmonary Artery carries blood from the right side of the heart to the lungs to pick up a fresh supply of Oxygen.Hope it Helps !!!!

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Vedantu

Question

Name the blood vessel which carries oxygenated bloodI.Pulmonary veinII.Anterior vena cavaIII.Pulmonary arteriesA) I onlyB) II onlyC) III onlyD) I and a low percentage of carbon dioxide is known as oxygenated blood. It has a bright red appearance and moves from the circulation.

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Question 1 of 5
How do stories differ from scientific explanations?
A. Stories avoid presenting bias.
B. Stories are based on evidence.
C. Stories are based on imagination.
D. Stories are always negative.
SUBMIT

Answers

The answer is C. Stories are based on imagination
The answer is C stories are based
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