what does a population graph with j-curve show?

Answers

Answer 1
The J-shaped section of a time-series graph in which the curve falls into negative territory and then gradually rises to a higher level than before the decline. Basically think of a merry-go round
Answer 2

Answer:

An expontential growth followed by an abrupt stop

Explanation:

A  j-curve shaped graph means a given population started to grow rapidly in exponential form until for some reason it stops growing and decreases. The causes for this can be Seasonality of some species, Which growth peaks at a given season but at the change of seasons the environment is no more ideal for them and the growth starts decreasing. Other causes can be a population of organisms which breeding is so effective and numerous that in this phase they have exponential growth in their population.


Related Questions

Which of the following tasks should be performed before measuring the mass of any object on a triple-beam balance?

Answers

if its for study island the answer is

all of these

During rem sleep, specific brainstem neurons show reduced activity. what types of neurotransmitters are released by these neurons?

Answers

Serotonin and norepinephrine are the types of neurotransmitters that are released.
REM sleep is the rapid eye movement sleep and mostly it occurs after 90 minutes when you sleep and at that time specific brainstem neurons have their activity reduced and you can also have intense dreams in that time period. There are also stages during rapid eye movement sleep.

I NEED HELP PLEASE. (I will give brainliest to the correct answer.)

In a magazine advertisement, a manufacturer claims its laundry ball, which contains ceramic pellets, gets clothes clean by changing the pH of the water. The ad claims the product reduces wear on their clothing, contaminants in the environment, and the cost of doing laundry. What should the advertisement include to give a consumer more confidence in this product's claims?

a. Information about product testing in a study that includes a control group
b. A lack of testimony from users who have used the product for several months
c. Pictures comparing loads of laundry cleaned with and without the product
d. Information about how the product benefits the environment

Answers

a.information about the product testing in a study that includes a control group, because testing the product helps prove the company's claim. hope this helps

The correct answer is option a. Information about product testing in a study that includes a control group.

The experiments and the visible result creates a trust about the use of the product. The advertisement can include the observation of product testing, in which a control group should be present. In the control group, the product should not be used and in the experimental group the product should be used. A comparison of the control group and experimental group can help in observing the difference with and without use of the product.

Two males weigh 195 pounds and are 45 years old. one has a body fat percentage of 13% and the other's body fat percentage is 29%. which individual likely burns more calories at rest?

Answers

The burn of calories is related to gender, mass and the age. These characteristics are the same for both individuals, so you have to look for the effect of the body fat percentage.

Muscles ara active tissue which implies that at rest they burn calories in a bigger proportion than fat. So, the male with more muscles will likely burn more calories at rest.

The lower the fat percentage the higher the muscle percentage.

Than drives you to conclude that the male with 13% of body fat will burn more calories at rest than the male with 29% of body fat.

1) a) In ONE sentence only, how is telomerase activity different from DNA polymerase activity during DNA elongation? b) In ONE sentence only, how is helicase activity different from telomerase activity.

Answers

1. During DNA elongation, polymerase enzyme adds new, free nucleotides to the three prime end of the newly forming strand, elongating it in  five prime to three prime direction while the telomerase protects the important genes at the end of the chromosome from been deleted as the DNA strand shorten during DNA elongation.

2. During DNA elongation, helicase enzyme separates the double stranded DNA  into single strand by melting the hydrogen bond that holds the DNA molecule together thus enabling each strand to be copied while the telomerase acts by preventing the telomere from been deleted during elongation.

Although, in general, science has advanced our standard of living tremendously, there is sometimes a "dark side" to science. give an example of the misuse of science and explain how this has had an adverse effect on our lives.

Answers

A good example of the dark side of science is the development of the internet. It was originally developed as a means of communication in the U.S. Army. It grew, expanded and what was once the territory of nerds, is now being used by almost everybody to find documentation, buy the things they want or to connect with other people. However, you can't deny that there is a dark side to the internet, online bullying and the fact that some people are glued to the screen of their cell phone and care more for their online life than their actual life. Online shopping had a devastating effect on the retail sector. Facebook turned its users into a product in order to sell their personal information to the advertising industry.

What microscope is used to see organisms in drop of pond water

Answers

A light microscope ...
Final answer:

To see organisms in a drop of pond water, a light microscope with high power objective lenses is used, which may require staining to increase visibility of cell components, although DIC microscopy can provide contrast without staining.

Explanation:

To observe organisms in a drop of pond water, a light microscope is commonly used. This type of microscope utilizes visible light that passes through and bends via the lens system, allowing users to view the specimen. For viewing living organisms like bacteria, algae, and protozoa, higher magnification is needed, and high power objective lenses are often employed to get a good image of these microscopic organisms. However, as most single cells are transparent, staining is sometimes necessary to distinguish cellular components, although staining generally results in the death of the cells. An alternative to traditional light microscopy for specimens with little contrast is the use of a DIC microscope, which enhances contrast without staining, allowing the visualization of living cells in greater detail.

Given that quartz has such an amazing variety of colors, why are they all considered to be the same mineral species?

Answers

They are all considered to be the same mineral because they are made up of essentially the same chemicals. Minerals are usually classified based on the type of compounds that are found in them. They may be of different color but it they are made up of the same chemical compounds they will be grouped together.

1. How do different natural phenomena change the surface of the Earth over time?

Answers

it changes the way the earth looks and the resources we are available to
The changing Earth's surface affects society through landslides, land subsidence, floods and other natural hazards. These disasters can be both deadly and costly to society: the Thistle landslide was the most costly single landslide event in U.S. history with costs exceeding $400 million. Land began shifting in Thistle, Utah in 1983 because of groundwater buildup from heavy rains during the previous fall and the melting of deep snowpack from the winter. Within a few weeks, the landslide dammed the Spanish Fork River, destroying U.S. Highway 6 and the main line of the Denver and Rio Grande Western Railroad. The landslide dam caused flood waters to rise which in turn led to lead the inundation of the surrounding area. The town of Thistle was completely obliterated.

There are two pairs of competing species of ferns. species a and species b have carrying capacities of 10,000 and 6,000, respectively. the competition coefficient of species a on species b is 0.25 and the competition coefficient of species b on species a is 2.5. species c and species d have carrying capacities of 8,000 and 14,000, respectively. the competition coefficient of species c on species d is 0.1 and the competition coefficient of species d on species c is 0.2. based on the lotka-volterra equation, which of these pairs of species can coexist?

Answers

I don't know what the lotka thing is, but I'd guess c and d because their coefficients are closer

A force that slowly wears away mountains and other features on the surface of Earth is
a.
constructive.
b.
destructive.
c.
superposition.
d.
unnatural.

Answers

The answer should be B. Destructive

If a sugar compound has 11 oxygen atoms how many hydrogen atoms does it contain?

Answers

it has 22 hydrogen atoms
Final answer:

Using the stoichiometric formula of carbohydrates, a sugar compound follows the ratio of 1:2:1 for Carbon:Hydrogen:Oxygen. If a sugar compound has 11 Oxygen atoms, it would therefore contain 22 Hydrogen atoms.

Explanation:

The subject of the question relates to the structure of a sugar compound. Considering the stoichiometric formula of carbohydrates, namely (CH₂O)n, where 'n' signifies the number of carbons in the molecule, a carbohydrate (sugar compound) is constructed in the 1:2:1 ratio of carbon to hydrogen to oxygen. If there are 11 oxygen atoms, this indicates that there are 22 hydrogen atoms, given the ratio.

An example of a carbohydrate that adheres to this ratio is glucose, which has a molecular formula of C6H12O6. This indicates that, on average, for one molecule of glucose, there are twice as many hydrogen atoms as there are oxygen atoms.

Therefore, in a sugar compound with 11 oxygen atoms, you would expect there to be twice as many hydrogen atoms, which amounts to 22 hydrogen atoms.

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What is one social characteristic that both wolves and humans share, which may have helped the process of domestication?
A. An enjoyment of fighting
B. Solitary hunting activities
C. The formation of extended families
D. A lack of a communication system

Answers

The correct option is C.
Wolves are social animals, they move about in packs. A pack is usually made up of the father, mother and their offspring. Wolves are monogamous in nature and the sexual partners always mate for life. This behavior is comparable to that of man.

An insect antennae that has whorls of hairs projecting from the joints between the segments is called:

Answers

Answer: Plumose Explanation: Pulmose antennae have a brush or feather-like or clumps or whorls of hair projecting from the joints between the segments. Example: Mosquito , SilkMoth ( more pronounced in male Insects).

Explain the relationship between the pancreas and homeostasis

Answers

I think they bother produce enzymes , but I'm not 100 % sure
Final answer:

The pancreas plays a key role in homeostasis by regulating blood glucose levels through the secretion of hormones insulin and glucagon. When blood glucose levels rise, the pancreas secretes insulin to lower it, and when levels drop, it secretes glucagon to increase it, maintaining equilibrium

Explanation:

The relationship between the pancreas and homeostasis primarily revolves around the regulation of blood glucose levels. The function of the pancreas in this respect involves the secretion of two hormones: insulin and glucagon, which are integral to maintaining blood glucose homeostasis. When the blood glucose level is high, the pancreas secretes insulin, which enhances glucose uptake from blood and its utilization by body cells, thereby reducing the blood glucose concentration back to its normal level. Conversely, when the blood glucose level drops, the pancreas releases glucagon, triggering the breakdown of glycogen into glucose and increasing blood glucose levels back to normal. Both of these processes involve a mechanism of negative feedback, where rising blood glucose levels inhibit more glucagon release, and falling blood glucose levels halt the secretion of insulin.

The pancreas is sensitive to fluctuations in blood glucose levels and responds accordingly to maintain equilibrium, highlighting its vital role in homeostasis. A failure to maintain this equilibrium - such as in cases of diabetes where insulin production is deficient or ineffective - can be harmful and potentially life-threatening. Therefore, the role of the pancreas in the control of blood glucose levels illustrates a key aspect of bodily homeostasis.

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What will happen to dna sequence variation in the regions of the genome immediately adjacent to an allele undergoing a selective sweep, or strong positive selection?

Answers

In hereditary qualities, a specific scope is the diminishment or disposal of variety among the nucleotides close to a change in DNA. It comes about because of a useful allele's having as of late achieved obsession because of solid positive normal choice.

A specific breadth can happen when an uncommon or already non-existing allele that expands the wellness of the transporter (with respect to different individuals from the populace) increments quickly in recurrence because of common choice. As the commonness of such a helpful allele increments, hereditary variations that happen to be available on the genomic foundation (the DNA neighborhood) of the gainful allele will likewise turn out to be more predominant. This wonder is called hereditary bumming a ride. A particular range because of an unequivocally chose allele, which emerged on a solitary genomic foundation consequently brings about a district of the genome with a huge lessening of hereditary variety in that chromosome locale. The possibility that solid positive choice could lessen close-by hereditary variety because of drifting was proposed by Maynard-Smith and Haigh in 1974

He atmosphere, lithosphere, and hydrosphere are examples of __________ systems

Answers

organic or inorganic earth realms

The __________ nervous system transmits messages about sight, sound, smell, taste, and tactile information.

Answers

The answer is THE SOMATIC NERVOUS SYSTEM. 
The somatic nervous system is part of the peripheral nervous system. It is major function is voluntary movement of the muscles and organs and reflex movement. During the processing of voluntary movement, sensory neurons which transmit information about sight, smell, sound, taste and tactile information carry impulses to the brain and the spinal cord.

A recent forest fire has swept through the forest, killing many of the smaller organisms such as the hare, deer, and rodent populations that are prey for the larger organisms such as bobcats, wolves, and mountain lions. How would this affect the populations in the forest ecosystem? Check all that apply.

A.The populations of all organisms in the forest will stay the same.

B.The populations of bobcats, wolves, and mountain lions will decrease due to lack of food.

C.The populations of deer, hare, and rodents will decrease due to the number of predators.

D.The population of bobcats, wolves, and mountain lions will increase due to the availability of food.

Answers

The effect on the population in the forest ecosystem will be :-

b. The populations of bobcats, wolves, and mountain lions will decrease due to lack of food.

c. The populations of deer, hare, and rodents will decrease due to the number of predators.

What is an ecosystem?

It is a structural and functional unit of ecology where both biotic and abiotic components interact with each other.

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Answer: B and C.

Explanation: These responses were marked as correct. Have a great day!

How do populations of organisms change in response to their environment? Help, I'm confused!

Answers

The population of a certain animal either decrease or increase depending on what type of environment they live on. Basically the population of the certain animal depend on the environment. The population will keep increasing if theirs water, and food. The population will decrease if their is nothing the environment offers. For example, no water, no shelter, no food, etc.

Hope this helps...

Answer:

Where can we observe evidence of organisms changing in response to their environment?

We could lock up a micro organism and study it with a microscope. Put it in a jar or something, and then wait a year or two and then get another microorganism and put it under the microscope and compare them (If there is even any changes).

Explanation:

The client who had cataract surgery with a lens implant 1 week ago remarks to the home care nurse that after his daughter left to go to her home in another state yesterday, he combined all of his prescribed eye drops together in one container so he had fewer drops to administer. what is the nurse's best response

Answers

Please check with your doctor. This sounds very dangerous. There are several reasons this is a problem. First, all of the dosages must be correctly measured. Second, all of the dosages must be kept separate unless ordered by a physician. Please be very careful with medication and consult a doctor immediately.

A surgical team performing open-heart surgery on a patient is an example of a (n) _______________ group.

Answers

The answer to this question should be: formal group

A formal group is made by some people that were made to achieve a certain goal. This group mostly have a good structure and hierarchy. They work in a professional way so it might have some legal responsibility that was regulated by law.
In this case, the team performing open-heart surgery should have a leader that will determine what will they do when some options appear. Every member also has different roles and capability. They also have shared responsibility about the patient well being. 

A stimulation of senses results from various sources of energy such as light and sound and the presence of chemicals

Answers

Answer:

true

Explanation:

A stimulation of senses results from various sources of energy such as light and sound and the presence of chemicals. Thus, the given statement is true.

What is nauxious stimuli?

Nauxious stimuli has been defined as mechanical as well as the chemical or even thermal sometime.  Nauxius stimuli responsible for activating.

Stimuli has been defined as an event that activates the particular function or reaction in the tissue or organ. The example of the stimuli has the response of the body to a particular medicine. This is the example of stimuli which we can feel once in our lifetime.

The main objective of the treatment has to make the patients healthy and happy as well as free from the disease generally there are several types of the treatments and these are known as chemotherapy which has been used to given to the patient of the cancer, radiation therapy, hormonal therapy as well as biological therapy.

Therefore, A stimulation of senses results from various sources of energy such as light and sound and the presence of chemicals. Thus, the given statement is true.

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PLEASE ANSWER QUICKLY!

Which substance is used by plants as a source of food?

A. water
B. glucose
C. oxygen
D. carbon dioxide

Answers

The answer to the question is Carbon dioxide

Answer: Its B

Explanation:

The element present in all organism molecules is

Answers

Answer:  "carbon" .
_________________________________________

The correct answer is C) Carbon. The element present in all organic molecules is carbon. Carbon is the defining element of organic chemistry and can form a variety of complex molecules.

Element Present in All Organic Molecules

To determine the correct element present in all organic molecules, consider the following points:

Organic molecules always contain carbon (C). This is the defining characteristic of organic chemistry.While other elements like hydrogen (H), oxygen (O), nitrogen (N), sulfur (S), and phosphorus (P) are common in organic molecules, they are not universally present in all organic compounds.Carbon's ability to form four covalent bonds allows it to create a wide variety of complex molecules, making it indispensable in organic chemistry.

Therefore, the correct answer is Option C) Carbon.

Complete question:

The element present in all organic molecules is

A) Hydrogen

B) Oxygen

C) Carbon

D) None of the above

Question 1 of 10 ________ enhances protein synthesis, decreases glucose use, and promotes the destruction of fats.

Answers

Growth hormone undertakes all these tactics during lipolysis. In this process, the free fatty acids released by growth hormone become available for uptake by cells, while other fat cells become available for tissues that require their use to produce energy.

The History of voting in American is the history of the expansion of which of the following?
A) ballots
B) Sufferage
C) Political Socialization
D) Poll Taxes

Answers

B) Suffrage refers to the right to vote.

Hope this helps! 

Which type of cell is a Rose Thom?

A.chloroplastic
B.eukaryotic animal
C.eukaryotic plant
D.prokaryotic

Answers

C it is a eukaryotic plant

Buffer overflow, sql injection, and stack smashing are examples of:

Answers

Final answer:

Buffer overflow, SQL injection, and stack smashing are examples of cybersecurity threats. They are techniques used to exploit vulnerabilities in a system in a destructive manner. Buffer overflow, SQL injection, and stack smashing are techniques hackers use to manipulate data, infiltrate systems, or execute harmful actions.

Explanation:

Buffer overflow, SQL injection, and stack smashing are examples of cybersecurity threats. These techniques are used by hackers to exploit vulnerabilities in systems with the intent to compromise data, intrude into the system, or carry out other malicious activities. A buffer overflow is a method in which excess data is written to a buffer, causing it to overflow and corrupting the data in adjacent buffers.

SQL injection is a code injection technique that might enable a hacker to manipulate or control a backend database. Stack smashing involves the manipulation of a program’s execution stack to execute arbitrary pieces of code.

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Which one of the following components makes up the largest portion of plasma?
a. Proteins
b. Wastes
c. Salt
d. Water

Answers

The correct answer is D, water.
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