Define bottleneck effect.


Koyi hai? ✌️​

Answers

Answer 1

Answer:

When disaster strikes, an ecosystem can change very quickly. When an event causes a drastic decrease in a population, it can cause a type of genetic drift called a bottleneck effect.

Hope this helps ~
Define Bottleneck Effect. Koyi Hai?
Answer 2

Answer:

The bottleneck effect is an extreme example of genetic drift that happens when the size of a population is severely reduced. Events like natural disasters (earthquakes, floods, fires) can decimate a population, killing most individuals and leaving behind a small, random assortment of survivors.


Related Questions

Sand is a type of mixture A mixture is a _____

Answers

Answer:

heterogeneous mixture

Answer:

sand is a Heterogeneous mixture. Heterogeneous mixture has two or more chemical substances.

A mixture is a material made up of two or more different chemical substance/substances which are not chemically combined!

Explanation:

hope this helped ^_^

The external appearance of traits is called: -----

a.

Ecotype

b.

Genotype

c.

Cytotype

d.

Phenotype

Answers

Answer:

d) Phenotype

Explanation:

External appearance of an individual trait is called phenotype. The term "phenotype" refers to the observable physical properties of an organism; these include the organism's appearance, development, and behavior.

On average, Hepatitis A has an incubation period (the length of time before a person shows illness symptoms) of:

Answers

Hepatitis A affects the liver. The incubation period of hepatitis A is around 28 days.

What is an incubation period?

An incubation time is a period between the infection and the actual appearance of the symptom. It can be said that the time taken for the hepatitis A virus to show its symptoms like nausea, fever, and abdominal pain after infection is incubation time.

Hepatitis A virus spreads through contaminated food and water and is preventable by vaccines. It takes approximately 28 days for the virus to cause the symptoms of the disease from the time of its infection period.

Therefore, the incubation time of the virus is 28 days.

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Arrange the following budget components. Which of these needs the highest amount of budget in your family? You may seek help from your parents.

Savings
food
education
medical & dental
Recreation
household operations
utilities

1.
2.
3.
4.
5.
6.
7.​

Answers

The needs with the amount of budget from highest to lowest include

FoodEducationHousehold operationSavingsMedical & dentalUtilitiesRecreation.

The most important aspect of life in organisms is food as we need it to stay

alive and healthy which is why it has the highest budget.

Education comes second due to it ensuring people are learned ,developed

and has a relatively high cost.

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Drag and drop each organism to match it to the correct ocean zone where it can be found.

Answers

Answer:

Neritic zone: Kelp

Sunlight zone: Plankton

Twighlight zone: Giant squid

Midnight zone: Sperm whale

Abyssal zone: Marine snow

Explanation:

Which two statements best describe jet streams in the northern hemisphere?
A. The subtropical jet stream separates warmer air near the equator
and cooler air to the north.
B. The polar jet stream separates colder air near the pole and
warmer air to the south.
C. The subtropical jet stream causes ocean currents to form near
the equator.
A
D. The polar jet stream circulates air between the North Pole and the
South Pole.
SUBMIT

Answers

The correct answer is B. In the Northern Hemisphere, the polar jet stream separates colder air near the pole and warmer air to the south.

The jet stream is a geophysical effect caused by the large temperature difference between the north pole and the equator. Something similar also happens on a small scale. In summer, when night falls and the ground cools where the sun is gone, air blows from north to south across the boundary between warm and cold air. This is the refreshing evening breeze.

From the north, a jet stream generally supplies colder air than from the west or south. The jet stream also creates depressions with a warm front and a cold front.

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Answer:

A. The subtropical jet stream separates warmer air near the equator

and cooler air to the north.

B. The polar jet stream separates colder air near the pole and

warmer air to the south.

Explanation:

"Eukaryotes are more evolved than prokaryotes."Do you agree the statement?​

Answers

Answer:  Eukaryotes are more evolved than prokaryotes. This is false. Again, no living taxon is more evolved than another.

Which best describes a temperate deciduous forest?

(A) Seasons are well defined,

(B) Short growing season,

(C) Low rainfall,

(D) all of the above.

Answers

Answer:

I think its D all of the above

What is limestone?**

Answers

Answer: a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.

Limestone is a sedimentary rock made of calcium carbonate (CaCO3), composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.

What is a tumor that remains localized in a specific area called?

Benign
Carcinogen
Metstatic
Malignant

Answers

Answer:

Benign

Explanation:

What is the difference between a producer and a consumer? (Select all that apply.)

Consumers convert sunlight energy into fuel and producers cannot.

Producers convert sunlight energy into fuel and consumers cannot.

Consumers can make their own food energy and producers cannot.

Producers can make their own food energy and consumers cannot.

Answers

Answer:

B & D

Explanation:

Producers make

Consumers eat/use producers and/or what they make

Hope its right :)

The difference between a producer and a consumer is producers convert sunlight energy into fuel and consumers cannot and producers can make their own food energy and consumers cannot. Thus, option B and D are correct.

Who is considered as producer?

All green plants which prepares their own food is considered as the producers. Decomposers are usually defined as as those organisms which converts the complex organic matter into simpler ones, hence consuming the required amount needed and liberating the left over to the environment.

The cycle goes on and helps in maintaining a state of between the living and the decaying particles and the producers, consumers and the decomposers are interdependent on each other.Consumers convert sunlight energy into fuel and producers cannot.

So, it can be concluded that, after the death of an organism (consumer), some amount of energy is consumed by the decomposers and the remaining is mixed with the environment.

Therefore, The difference between a producer and a consumer is producers convert sunlight energy into fuel and consumers cannot and producers can make their own food energy and consumers cannot. Thus, option B and D are correct.

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What does saccharide mean?

lipid

base

acid

sugar

Answers

Saccharide is another term for sugar.

Which of the following is true about a trait? *
A trait is an organism's physical appearance
A trait is how an organism behaves
The gene in an organism's DNA determines its trait
Two of the above are true
All of the above are true

Answers

Answer:

D

Explanation:D Sorry if I'm wrong!

Which statement best identifies a central idea of this text?Issues with the Articles of Confederation"

Answers

The government's use of the PATRIOT Act was created to protect citizens from dangerous acts of terrorism.

How could plate tectonic movements affect the evolution of life?

Answers

Answer:

A planet with oceans, continents, and plate tectonics maximizes opportunities for speciation and natural selection, whereas a similar planet without plate tectonics provides fewer such opportunities. Plate tectonics exerts environmental pressures that drive evolution without being capable of extinguishing all life. Explanation: trust :0

Why animals reproduce? A. To become many B. To become food C. To enjoy D. To grow​

Answers

Question:

Why animals reproduce?

Answer;

(A) To become many

why?

because if no animals in the world you will not enjoy of your childhood

that is my answer I hope it helps to you

Plant and animal cells are both eukaryotic. This means they...
O Have a nucleus
O Contain DNA and RNA.
O Can reproduce on their own.

Answers

the answer is the first one they both have a nucleus!

How warm does the ocean water need to be and how deep for Hurricanes to form?

Answers

Answer:

Whipping up a hurricane calls for a number of ingredients readily available in tropical areas: A pre-existing weather disturbance: A hurricane often starts out as a tropical wave. Warm water: Water at least 26.5 degrees Celsius over a depth of 50 meters powers the storm.

Explanation:

When a person senses a stimulus, the information is sent to multiple parts of the brain for processing and then on to a motor neutron for a response resulting in a voluntary response is known as ?

Answers

Fight or flight I think

differentiate between the chromosome theory of inheritance and the gene chromosome Theory

Answers

Answer:

The Chromosomal Theory of inheritance, proposed by Sutton and Boveri, states that chromosomes are the vehicles of genetic heredity. Neither Mendelian genetics nor gene linkage is perfectly accurate; instead, chromosome behavior involves segregation, independent assortment, and occasionally, linkage.

Respiration is a process where many chemical bonds inside the body break and release energy. This energy is used to perform various activities such as moving muscles. Explain the energy transformation in this process.​

Answers

Answer:"Process of breaking down glucose to obtain energy in the form of ATP" also known as Cellular Respiration.

I hope this helps

Explanation:

If a firm hires 10 workers at $9 per hour each and the 11th worker will be hired only if the wage rate falls to $8 per hour, the marginal wage rate must be _____.

Multiple Choice
−$2
$2
−$2.20
$2.20

Answers

Answer:

-2 USD

Explanation:

The answer is -$2.20

1. Why is cell an open dynamic system?​

Answers

The exchange of matter or substances between the cell and its environment is dynamic as it varies in direction and rate as per the requirements of the cell. Thus,a cell attains a stead -state wherein the internal conditions of the cell remain constant. Hence, cell is considered to be a open dynamic system

Biochemists developed a compound that they hypothesize will disrupt the ability of the cells to organize centrioles and microtubules. This compound is applied to a group of onion root tip cells. What will serve as the best evidence that the biochemists' hypothesis about this compound is correct?

Answers

The best evidence that the biochemists' hypothesis about this compound is

correct will be lack of growth in the onions.

The centrioles and microtubules are important during the process of cell

division(mitosis) by organisms. They ensure that the cells divide properly

which helps cells to grow.

The compound being hypothesized to disrupting the activities of the

centrioles and microtubules means lack of growth will signify that it is

correct and the most appropriate choice.

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What is the resting phase.

Answers

Yah it’s a Go phase because of the cell cycle.

PLEASE HELP
How are the waste products of respiration removed?
(SELECT ALL THAT APPLY)

A) Food waste moves from the digestive system to the cardiovascular system.

B) Carbon dioxide is removed by respiratory organs.

C) The cardiovascular system transports waste products from cells to other systems.

D) Oxygen molecules are removed by the cardiovascular system.

Answers

Answer:

there is only option b is right with the respect to the question


The table shows the total number of posts made by the average registered user of a new social media app in the first week
after purchasing the app.
find the linear equation that models the data in this table.

Answers

Linear equations are used to represent relations that have constant rates

The linear regression equation that models the data in this table is [tex]\^y = 2.40476x + 0.33333[/tex]

Regression equation using a graphing calculator

To calculate the regression equation, we make use of a graphing calculator.

Using the graphing calculator, we have the following data:

Sum of X = 28Sum of Y = 70Mean X = 3.5Mean Y = 8.75Sum of squares (SSX) = 42Sum of products (SP) = 101Formulating the regression equation

The regression equation is represented as:

[tex]\^y = b\^x + a[/tex]

Where:

[tex]b = \frac{SP}{SSX}[/tex] and [tex]a = MY - bMX[/tex]

So, we have:

[tex]b = \frac{101}{42}[/tex]

[tex]b = 2.40476[/tex]

Also, we have:

[tex]a = MY - bMX[/tex]

[tex]a= 8.75 - 2.4\times 3.5[/tex]

[tex]a= 0.33333[/tex]

Hence, the linear regression equation is:

[tex]\^y = 2.40476x + 0.33333[/tex]

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What properties do all solids share?

Answers

They are all tightly packed, rigid shape, and are solids (lol)

Answer:

Solids have many different properties, including conductivity, malleability, density, hardness, and optical transmission, to name a few.

Explanation:

dont know why my answer got deleted but here's a different answer :'(

what is science explain​

Answers

Science refers to the construction of knowledge by using the scientific method. This method is based on empirical evidence.

Science can be defined as the construction of knowledge (scientific knowledge) by using the scientific method.

The scientific method includes several sequential steps:

ObservationAsk questionsForm a testable explanation (hypothesis)Test the hypothesisCollect results (empirical evidence)Draw conclusions

In the scientific method, empirical evidence can be used to support the working hypothesis.

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science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

NO NEED TO THANKS ME IT'S MY PLEASURE TO HELP U DEAR( ꈍᴗꈍ)

Describe how cellular respiration and photosynthesis are related to one another.

Answers

Answer:

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration


Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.

Picture:
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