In 1960, an invasive species of fish was introduced into the stable ecosystem of a river. since then, the population of a native fish species has declined. this situation is an example of an ______

Answers

Answer 1

Answer:

ecosystem altered through the activities of an organism

Explanation:

if an organism enters an entirely new environment, its gonna disrupt the lives of other organisms through factors such as competition.


Related Questions

As a cell grows, the surface area to volume ratio (sa:v) decreases. in order to maintain homeostasis, the cell must divide or die. the decreased sa:v ratio would affect all but

Answers

Cell division is the process of the parent cell forming daughter cells. The decreased SA: V ratio does not affect the stages involved in cell division.

What is SA: V?

The surface area to volume ratio gives the size of the cell. The decrease in this ratio of the surface area and the volume causes the cell to divide or die. This ratio affects the rate of osmosis.

The decreased ratio also alters the signaling of the proteins and the cytoskeleton transport system of the cell, but the number of cell division phases is unaffected by the ratio.

Therefore, the cell division phases are unaffected by the SA: V ratio.

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The diameter of a circle is 8 centimeters. a central angle of the circle intercepts an arc of 12 centimeters. what is the radian measure of the central angle?

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Based on the calculations, the radian measure of the central angle is equal to 3 radians.

Given the following data:

Arc length = 12 centimeters.

Diameter = 8 centimeters.

Radius = diameter/2 = 8/2 = 4 centimeters.

How to calculate the length of the arc?

Mathematically, the length of an arc formed by a circle can be calculated by using this formula:

S = rθ

Where:

r is the radius of a circle.θ is the angle measured in radians.S is the length of an arc.

Substituting the given parameters into the formula, we have:

12 = 4θ

θ = 12/4

θ = 3 radians.

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What moral dilemma does this excerpt express pindarus

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Answer:Pindarus must decide whether to fight Mark Antony or flee

Based on the audio, what did osvaldo's grandfather do every day? danced to cuban music listened to music played the piano wrote merengue lyrics

Answers

Osvaldo's grandfather do every day is listened to music. Learn more about instrument below.

What is string instrument?

The term stringed instrument, is known to be any form of musical instrument that creates sound by the action of the vibration of  strings.

Note that  Based on the audio, Osvaldo's grandfather love string instruments and he likes them.

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Answer: His grandfather loved listening to music everyday

Explanation: Hope that helped!!!

Two football players with mass 80 kg and 120 kg run directly toward each other with speeds of 8 m/s and 10 m/s respectively. if they grab each other as they collide, the combined speed of the two players just after the collision would be

Answers

The combined speed after the collision is -2.8 m/s.

How to get the combined speed?

Here we must have conservation of momentum, where momentum is the product between mass and velocity.

At the beginning, one of the players has a mass of 80kg and a velocity of 8m/s, so its momentum is:

P₁ = 80kg*(8m/s) = 640 kg*m/s

The other player has a mass of 120 kg and runs in the opposite direction at a speed of -10m/s (the negative sign is because of the direction). So its momentum is:

P₂ = 120kg*(-10m/s) = -1200 kg*m/s

The initial total momentum is:

P = P₁ + P₂ = 640 kg*m/s + ( -1200 kg*m/s) = -560 kg*m/s

At the end, the move together as a mass of (80kg + 120kg) = 200kg with a velocity V.

Such that the final total momentum is equal to the initial total momentum.

So we must have:

200kg*V =  -560 kg*m/s

V = (-560 kg*m/s)/200kg = -2.8 m/s.

The combined speed after the collision is -2.8 m/s.

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A current is induced in a wire by moving the wire through a magnetic field

Answers

Answer:

true

Explanation:

What best explains the label that the student should use on the y-axis? reaction rate, as the rate of forward and backward reactions become equal at equilibrium. concentration, as the concentration of reactants and products become equal at equilibrium. reaction rate, as the rate of forward reaction increases and the rate of backward reaction decreases with time. concentration, as the concentration of products decreases and that of reactants increases over time.

Answers

The answer is:

Concentrations,  because the amounts of reactants and products remain constant after equilibrium is reached.

Which point is lincoln trying to make? people cannot build upon the land, because it is considered sacred. it is up to the people to mark the importance of the land. because so many people died, the land cannot be considered sacred. the sacrifices of the soldiers have already made the land sacred.

Answers

Answer:

D

Explanation:

The answer is : The sacrifices of the soldiers have already made the land sacred.

Answer: D) The sacrifices of the soldiers have already made the land sacred.

Explanation:

Sectional violence has been taking place in iraq between two islamic factions, the shi'ites and _____. taliban jihad sunnis

Answers

Answer:

Sunnis is the answer on OW.

Where would you go in france to see the story of william the conqueror? deauville carnac nantes bayeux

Answers

France is the country of Europe that has Paris as the capital city. The story of William the conqueror will be seen in Bayeux of France. Thus, option D is correct.

Who is William the conqueror?

William the conqueror was the Monarch of England who led the Norman domination of England. He invaded England to dethrone Harold and became the king.

The Bayeux tapestry of France portrays the art of the William and his story of conquering England. The art is made in the form of threaded woolen fibers embroidered on the fine cloth.

Therefore, option D. William will be seen at the Bayeux of France.

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Please select the word from the list that best fits the definition process in which sediment is dropped and comes to rest

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Answer:

The process in which sediment moved by erosion is dropped and comes to rest is called Deposition.

Animals can be genetically engineered to fluoresce. these animals are used as models for studying cell processes. would you favor creating glow-in-the-dark small animals for sale as pets? why or why not?

Answers

Answer:

yes

Explanation:

because it is completely harmless to them. it is merely just a demonstration of science. it shows the miracle of how the human can do such cool things with such little and for a cheap price. yes some may think it is cruel but this process is carried out when they are still in the embryo. they can not feel anything. they do not develop any differently.... that is of course besides the coloration of them.

Describe and explain the difference in muscularity between the crop and the gizzard

Answers

The difference in muscularity between the crop and the gizzard earthworm is that; Crop muscularity is soft while for gizzard it is hard.

What are the differences in Muscularity?

Earthworms usually eats the soil that has organic matter such as leaves and others.

Now, the digestive system of earthworms is made up of pharynx, oesophagus, intestine, gizzard and crop. The mode of digestion is that the food passes through the esophagus after which it is now pushed down the crop where it is used for storage and then in the gizzard where the food is being grind.

Finally. the difference between the crop and the gizzard is that the crop muscularity is soft while that of gizzard is hard.

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What is the inverse of confidentiality, integrity, and availability (c.i.a.) triad in risk management?

Answers

Answer:

diclosure,alteration,destruction

Explanation:Mark brainliest once u can

The inverse of confidentiality, integrity, and availability (c.i.a.) triad in risk management are disclosure, alteration, and destruction. The correct option is C.

What is risk management?

Organizations examine the risks, threats, and vulnerabilities that could jeopardize the privacy, accuracy, and accessibility of their systems and data during risk assessments.

The CIA trinity must be taken into account when talking about data and information. The three fundamental components of an information security concept known as the CIA triad are confidentiality, integrity, and availability.

Each element stands for a core information security goal. For example, when it comes to a company's secret information, information secrecy is more crucial than information integrity or accessibility.

Therefore, the correct option is C. disclosure, alteration, destruction.

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The question is incomplete. Your most probably complete question is given below:

A. misuse, exposure, destruction

B. authorization, non-repudiation, integrity

C. disclosure, alteration, destruction

D. confidentiality, integrity, availability

A person going to a party was asked to bring 5 different bags of chips. Going to the store, she finds 20 varieties.

How many different selections can she make?
a.100
b.12,340
c.15,504
d.32

Answers

Answer:

A

Explanation:

The person can bring a selection of 20 bags because if you multiple the number of bags they were asked to bring by the number of varieties they got at the store you will get a 100

A because she was asked to bring 5 different bags of chips and there was 20 varieties of chips

Which piece of evidence best supports the theme that power can corrupt people

Answers

Can you please show the different answer choices?

What was the most serious health concern caused by the poor sanitation and contaminated water supplies in 19th century tenements?

Answers

The most serious heath concern caused by the poor sanitation and contaminated water supplies in 19th century tenements is cholera epidemic.

What is Cholera?

Cholera is a disease caused by bacteria, vibrio cholarea. The bacteria is present in water.

The symptoms of this disease are diarrhea and dehydration.

Thus, the  most serious heath concern caused by the poor sanitation and contaminated water supplies in 19th century tenements is cholera epidemic.

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Which balanced equation represents a spontaneous radioactive decay

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We need more info to solve lol

A manager drew this box-and-whisker plot to represent the ages of her 23 employees. every employee is a different age.

Answers

Answer:

Explanation:

About 5 employees have ages that are older than 54 years.

What is a box plot?

A box plot provides the summary of a data using the five number summary that is minimum, lower quartile, median, upper quartile and maximum.

From the diagram, the third quartile is 54 years. Hence 75% of the employees are between 35 to 57 years.

25% are older than 54 years, hence:

Employers older than 54 years = 25% of 23 employees = 5.75

About 5 employees have ages that are older than 54 years.

Which best describes the purpose of this passage? to inform audiences about the production and types of tortillas to persuade audiences that producing and purchasing tortillas is easy to entertain audiences with a delightful and enjoyable description of tortillas to argue that tortillas are the top choice among traditional foods

Answers

Answer:d

Explanation:

just took test

To argue that tortillas are the top choice among traditional foods is best describes the purpose of this passage. Hence, option D is correct.

What are traditional foods?

Traditional foods are ones that have been eaten for many generations or that have been handed down through families. Foods and meals that have a long history in a national dish, regional cuisine, or local cuisine are considered traditional.

Basic and simple foods include things like meat and poultry, eggs, whole grains, fish, beans and lentils, fruits and vegetables, nuts and seeds, dairy products, and fats.

Traditional foods have a long history of promoting health and wellness since they are nutrient-rich. Actually, these foods have been consumed by humanity for a very long time. From vegetables and fruits to meat, poultry, and fish to dairy, eggs, legumes, nuts, and seeds, traditional foods are made with the utmost simplicity.

Thus, option D is correct.

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A number less than twice the square of the same number

Answers

Answer:

2x ^ 2 - 1

Explanation:

This fluid may be mixed with engine oil for recycling.

Answers

Answer:

Any petroleum product

Explanation:

Any petroleum product can be mixed with any other product for recycling- motor oil, gear oil, atf from cages, etc.

Envision geometry 10-3 additional practice answers

Answers

Envision geometry 10-3 additional practice question is Find a pattern for the sequence in the image attached.

What is sequence pattern about?

Note that when you use a pattern to find the next two terms in the sequence, such as 384, 192, 96, 48...

One can try different approach.

384 / 2 = 192

You will keep dividing till the last number.

Therefore the  pattern for the sequence in the image attached is by dividing with 2.

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The recommended percent p (in decimal form) of nitrogen (by volume) in the air that a diver breathes is given by p=105.07d+33, where d is the depth (in feet) of the diver. find the depth when the air contains 47% recommended nitrogen by (a) solving an equation, and (b) using the inverse of the function. round to the nearest tenth.

Answers

The depth of the diver when the air contains 47% recommended nitrogen is -0.3 ft

To answer the question, we need to know what an equation is.

What is an equation?

An equation is a mathematical function that shows the relationship between two variables.

Given that he recommended percent p (in decimal form) of nitrogen (by volume) in the air that a diver breathes is given by p = 105.07d + 33, where d is the depth (in feet) of the diver.

Solving for the depth by solving the equation

To find the depth when the air contains 47% recommended nitrogen, we solve the equation with p = 47%

So, p = 105.07d + 33

47% = 105.07d + 33

0.47 = 105.07d + 33

0.47 - 33 = 105.07d

-32.53 = 105.07d

d = -32.53/105.07

d = -0.3096 ft

d ≅ -0.3 ft

Solving for the depth using the inverse function

Since p = 105.07d + 33

Making d subject of the formula, we have

d = (p - 33)/105.07

Substituting p = 47% = 0.47, we have

d = (0.47 - 33)/105.07

d = -32.53/105.07

d = -0.3096 ft

d ≅ -0.3 ft

So, the depth of the diver when the air contains 47% recommended nitrogen is -0.3 ft

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Select the correct answer from each drop-down menu. economic globalization forces local companies to compete with businesses. to compete, businesses strive to offer the best quality at the lowest price. as a result, products get , and more people are able to afford them.

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Economic globalization forces local companies to compete with FOREIGN businesses.  As a result, products get CHEAPER and more people are able to afford them.

What is Economic globalization?

Economic globalization is known to be a term that connote an increasing mutual dependence of world economies due to the growing width of cross-border trade in terms of commodities and services, and others.

Note that the correct answer from each drop-down menu is that Economic globalization forces local companies to compete with FOREIGN businesses.  As a result, products get CHEAPER and more people are able to afford them.

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Which sentence best states two central ideas that support blancs argument

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The sentence  is that Private property limits poor people's access to essential natural resources, and competition lowers their wages.

What is argument?

An argument is known to be any claim that is said to be aided by giving of examples.

Note that in the question above, The sentence  that support the two central ideas of Blanc's argument in Passage 2 is that Private property limits poor people's access to essential natural resources, and competition lowers their wages.

See full question below

Which sentence BEST states two central ideas

that support Blanc's argument in Passage 2?

Individuals who are willing to work can work for

money, and contractors can decide how much to

pay them.

Some political economists argue that competition

is a good thing, and others believe that it harms

most people.

Middle class people make money by running small

businesses, and poor people work for others for

рау. .

Private property limits poor people's access to

essential natural resources, and competition lowers

their wages.

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Identify reasons to include a subject in an e-mail. check all of the boxes that apply. to give a brief overview of the e-mail to give an idea of the importance of the e-mail to include the message of the e-mail to entice the recipient to open the e-mail

Answers

Emails are electronic messages used to exchange messages. The subject is included in the mail to give a brief overview, and importance and to entice the reader.

What are the components of e-mail?

Email is the electronic message that shares information or the messages between the sender and the receivers through electronic devices. The e-mail constitutes of the subject, sender, date, reply, recipient, attachments, body, etc.

The subject of the tagline of the mail is written in just a few words and gives the first impression of the sender. It highlights the purpose and the importance that the mail carries. It also compels the recipient to open the mail.

Therefore, the subject is included in the mail to give a brief overview, and importance and to entice the reader.

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Fill in the blank with the correct response. in triangle , , a = 210, and b = 164. the measure of to the nearest degree is

Answers

The measure of angle A to the nearest degree is 40 degrees.

How to apply sine law?

Sine law can be used to find the measure of angle A in the triangle.

Therefore,

a / sin A = b / sin B

where

a  =210

b = 164

A = ?

B = 30 degrees

Hence,

210 / sin A = 164 / sin 30

cross multiply

0.5 × 210 = 164 sin A

sin A = 105 / 164

sin A = 0.64024390243

A = sin⁻¹ 0.64024390243

A =  39.7918194996

A = 40 degrees.

In triangle ABC, angle B = 30°, a = 210, and b = 164. The measure of angle A to the nearest degree is.

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Her eyes shone as bright as the sun is an example of

Answers

Answer:

the expression is a simile :3

Explanation: a simile is figure of speech comparing two unlike things that is often introduced by like or as (her eyes shone as bright as the sun)

Hope this helps!

Which two genes are most likely to be affected by a crossing over event

Answers

Answer:

yes

Explanation:

yessss

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