Why does the U.S. population continue to grow even though the United States has essentially established a zero population growth (ZPG)? A. emigration B. immigration C. baby boomer reproduction D. the 2007-2009 economic recession
Answers
The correct option is (B) Immigration.
Because of immigration U.S. population continue to grow even though the United States has essentially established a zero population growth (ZPG).
What is immigration?Immigration is the international movement of individuals to a country of destination where they are not natives or citizens in order to establish themselves as long-term residents or naturalized citizens.
What is zeropopulation growth (ZPG)?When a population is in demographic balance, or when the number of births plus in-migrants matches the number of deaths plus out-migrants, there is no population growth or fall. This state is frequently referred to as ZPG.
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Related Questions
Males are more likely to suffer from a sex-linked disease or disorder because
males are the weaker sex
males have less DNA
males have 1 X chromosome, so
the disorder is more likely to be expressed
Answers
Which system covers the external surface of the body and manufactures vitamin D:
A) endocrine system
B) integumentary system
C) nervous system
D) lymphatic system
Answers
Answer:
B the integumentary system
Explanation:
Largest body system and comprises the skin and the appendages which acts to protect the body from a variety of different kinds of damage's Examples such a as lack of water or abrasion from the outside.This system includes hair,scales,feathers,or even nails.this system may help keep your body afloat and regulate temperature.
The region known as the primitive streak is the site of
A-endoderm formation
B-migration of ectodermal cells to form the mesoderm.
C-ectoderm formation.
D-amnion formation.
Answers
The right option is B. The region known as the primitive streak is the site of B-migration of ectodermal cells to form the mesoderm.
The region known as the primitive streak plays a crucial role during early embryonic development. It is responsible for the migration of cells and the formation of different germ layers. In this case, the primitive streak is specifically associated with the migration of ectodermal cells to form the mesoderm.
The process begins with the formation of the primitive streak, which occurs during gastrulation—a key stage in embryonic development. The primitive streak is a linear structure that appears on the surface of the developing embryo. Ectodermal cells from the epiblast, the outermost layer of the embryonic disc, migrate toward the primitive streak and then undergo an epithelial-to-mesenchymal transition.
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Which of the following could be a hypothesis for what causes a scarlet ibis to have red feathers?
A. the red feathers make the bird more beautiful to people
B. A chemical in the birds food produces the red coloring
C. What does the scarlet ibis eat?
D. The feathers are red because a wizard cursed the bid long ago
Answers
why should gilts have at least 12 - 14 teats
Answers
Answer:
Breeding Females. Gilts: Breeding pigs are selected from mother pigs having good mothering ability as shown by large litter size and weight at weaning. Gilts should have 12-14 evenly spaced sound teats, good growth rate and feminity. ... The weaned sows come into heat in 3-10 days after weaning.
what is the name of the process that bubbles hydrogen through oil
Answers
Answer:
Hydrogenation
Explanation:
I looked up your question in google
select all that apply select all the types of data and characteristics that scientists can use to help compare evolutionary relationships between organisms. multiple select question. biochemical aspects genetic characteristics anatomical features population age structure cellular attributes
Answers
The data and characteristics that can be used to compare evolutionary relationships are biochemical aspects, genetic characteristics, anatomical features, and cellular attributes.
Scientists can use the following types of data and characteristics to help compare evolutionary relationships between organisms:
Biochemical aspects: This includes analyzing the similarities and differences in the biochemical makeup of different organisms, such as the types of proteins and enzymes they produce.Genetic characteristics: By comparing the DNA sequences of different organisms, scientists can determine how closely related they are and how they have evolved over time.Anatomical features: The physical characteristics of organisms, such as bone structure and body shape, can provide clues about their evolutionary relationships.Cellular attributes: The structure and function of cells can also be used to compare evolutionary relationships between organisms.Population age structure is not typically used to compare evolutionary relationships between organisms.
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Explain the process that links the physical sensory world and
the brain for each of the senses (vision, hearing, taste, smell,
and touch).
Answers
The process that links the physical sensory world and the brain for each of the senses (vision, hearing, taste, smell, and touch) is known as transduction.
Here's how transduction works for each of the senses:
1. Vision: The eye transduces light energy into neural impulses, which are then transmitted to the brain via the optic nerve.
2. Hearing: The ear transduces sound waves into neural impulses, which are then transmitted to the brain via the auditory nerve.
3. Taste: Taste buds on the tongue transduce chemical signals from food into neural impulses, which are then transmitted to the brain via the gustatory nerve.
4. Smell: Olfactory receptor cells in the nose transduce chemical signals from odors into neural impulses, which are then transmitted to the brain via the olfactory nerve.
5. Touch: Sensory receptors in the skin transduce physical pressure, temperature, and pain into neural impulses, which are then transmitted to the brain via various sensory nerves.
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Identify the structure shown below, describe it in detail. Make sure to include following points.
1. Name of the structure.
2. Nitrogen base pairing.
3. Its role in an organisms body.
Answers
Explanation:
1. DNA double helix
2. adenine and thymine cytosine and guanine
3. To contain genetic materials
Create the mRNA strand and the amino acid chain that would be produced during protein synthesis.
AAA-GCT-CCA-TCG-GCT-AGG (DNA)
Answers
To determine the mRNA strand and the resulting amino acid chain during protein synthesis, we need to transcribe the given DNA sequence into mRNA and then translate it into amino acids using the genetic code. These are fundamental steps that both occur during synthesis of protein.
Given the DNA sequence: AAA-GCT-CCA-TCG-GCT-AGG
1. Transcription:
During transcription, DNA is converted into mRNA. We create the complementary mRNA sequence by replacing each DNA base with its corresponding RNA base:
AAA-GCT-CCA-TCG-GCT-AGG (DNA)
UUU-CGA-GGU-AGC-CGA-UCC (mRNA)
2. Translation:
During translation, mRNA is decoded to produce an amino acid chain based on the genetic code. Each set of three mRNA bases, called a codon, corresponds to a specific amino acid. Here's how the mRNA sequence is translated into amino acids using the genetic code:
UUU | CGA | GGU | AGC | CGA | UCC (mRNA)
Phenylalanine-Arginine-Glycine-Serine-Arginine-Serine (we must look at a codon table to interpret what amino acids are corresponding)
Answer:
Therefore, the mRNA strand produced from the given DNA sequence is UUU-CGA-GGU-AGC-CGA-UCC, and the resulting amino acid chain during protein synthesis is Phenylalanine-Arginine-Glycine-Serine-Arginine-Serine.
7. During DNA replication, a complementary strand of DNA is made for each original DNA strand. Thus,
if a portion of the original strand is CAGGTTACG, then the new strand will be
a. CAGGTTACG.
c. GTCCAATGC.
b. GTCCTTAGC.
d. GTCCTTACG.
Answers
Answer:
i think its b i took the test but i forgot the answer
Explanation:
all pandemics are caused by infectious virus or bacteria that cross from animals to humans.
a. true
b. false
Answers
The given statement is FALSE. Many infectious diseases are caused by viruses and bacteria. But there are also other types of pathogens that cause illness.
A pandemic is the global unfold of a brand new disease. Viral breathing diseases, consisting of the ones because of a brand new influenza virus or the coronavirus COVID-19, are the maximum possibly to show right into a pandemic. A pandemic isn't always similar to an epidemic. Coronaviruses are a massive own circle of relatives of viruses. Some coronaviruses purpose cold-like ailments in people, even as others purpose contamination in positive styles of animals, consisting of cattle, camels, and bats. Some coronaviruses, consisting of dog and tom cat coronaviruses, infect handiest animals and do now no longer infect people. Bacterial infections are because of micro organism, and viral infections are because of viruses. Perhaps the maximum essential difference among micro organism and viruses is that antibiotic pills normally kill micro organism, however they are not powerful towards viruses.
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True or False:Sunlight and the force of gravity are essential components to the water cycle
A. True
B.False
Answers
The vestibular system is located in two structures of the inner ear. please select the best answer from the choices provided t f
Answers
The vestibular sense has been originated from the inner ear. Thus, the given statement has been false.
The vestibular sense has been the sense of gravity or balance that helped the body maintain balance by the body while performing activities.
The sensory system in the body has been mediated by the spatial orientation of the body with a semicircular canal network. The orientation has been mediated within the vestibular labyrinth. The labyrinth has been located in the inner ear.
Thus, the vestibular sense has been originated from the inner ear. Thus, the given statement has been false.
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Answer:
True
Explanation:
The vestibular system is located in two structures of the inner ear.
What is a polar molecule?
Answers
Answer:
This your answer below the image!!!
Explanation:
which era was blue ridge in
Answers
Acid-Base Balance Cases pH = 7.50 CO2 = 47 HCO3- = 32 Is it acidosis, alkalosis or neither? Is the problem respiratory or metabolic in nature? Metabolic in nature. Is there any compensation occurring? Has the body tried to fix the problem?
Answers
answer and explanation
this question required us to interpret the atrial blood gas data provided.
from the information provided, this case is a case of alkalosis because the pH reading is 7.50. pH values less that 7.35 indicate acidosis and pH levels greater that 7.45 indicate a case of alkalosis.
this is a metabolic alkalosis because the HCO3 value is greater than 22 and it is fully compensated because of the high CO2
Mencione las razones por las cuales el experimento de Pasteur de "Los matraces de cuello de cisne" ayudó a refutar la Teoría de la generación espontánea.
Answers
Answer:
Demostrar que los seres vivos surgen de los seres vivos es la principal razón para realizar experimentos.
Explicación:
El experimento de Pasteur en "Frascos cuello de cisne" ayudó a refutar la teoría de la generación espontánea porque Pasteur usó caldo de carne hervido en matraces cuello de cisne para mostrar que los microbios en el aire son responsables de causar la contaminación de los alimentos. Al mostrar que las criaturas vivientes surgen de la materia viva en su experimento, la teoría de la generación espontánea resulta inválida.
ANSWER QUICKLY PLEASE
Remember the BRACKETS symbol [ ] can be read as " the CONCENTRATION of" whatever is in the brackets. For example [ x ] could be read as the CONCENTRATION of x. Two other symbols to clarify: the > means GREATER than, and the symbol < means LESS than. Match the term ISOTONIC with the CORRECT DEFINITION
Select one:
The RANDOM MOTION of molecules from a HIGH concentration to a LOW concentration
A solution where: [SOLUTION] > [THE CELL]
A solution where: [SOLUTION] < [THE CELL]
The AMOUNT of SOLUTE in a certain volume of SOLVENT
A solution where: [SOLUTION] = [the CELL]
Answers
Answer:
Since, it has been a very long time. You should go on brainly tutor or another tutor website. Happy new year!!!
Which of the following is the correct level of organization from simple to complex?
cell - organ - tissue - organism
organism - organ - tissue - cell
tissue - organ - organism - cell
cell - tissue - organ - organis
Answers
Answer:
Hi everyone. I belive it is C. because a community is is all of the populations of different species that live in the same area and interact with one another.
Explanation:
Hope this helps. Let me know if im wrong but im pretty sure i'm right
have a nice day <3
Answer:
the person before me is right and very nice. Most people on this website don't wish you to have a nice day! ;p
Explanation:
I took the quiz and got it right.
which is more useful to biologists studying ancestry homologous structures or analogous structures?
Answers
(02.07 MC)
The table below shows population data for a particular country in 2010:
Population (millions) 40.5
Births (per 1,000)
30
Deaths (per 1,000) 3
Total Fertility Rate 3.3
Infant Mortality Rate
(per 1,000 births)
Which of the following would explain why the total fertility rate is 3.8 five years later?
2
O A governmental policy to ensure replacement-level fertility remains constant even though there is no change in death rate.
Females are being given fewer educational opportunities so there is a reluctance to have children.
Couples are able to settle down at younger ages and quality of life has improved in the nation.
O The birth rate is determined to be 28 births for every 1,000 individuals five years later.
Answers
Option D seems to provide the most information about the total fertility rate, which is 3.8 five years later.
Why does fertility decline over time?A variety of factors contribute to the decline in fertility rates. One of the factors is primarily due to job changes, reproductive health issues, and other factors.
Thus, the answer is option D is the mathematical option that best explains the total fertility rate of 3.8 five years later.
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When we drink water, we feel good
because water helps move nutrients
to our what?
A blood
B. cells
C waste
Answers
Answer:
B. Cells
Explanation:
It's the answer
I need help with this practice problem solving In your words, give a short summary to my pic
Answers
Answer: The English settlers brought it over from England when they brought supplies to start a new life over
Explanation:
Mutations:
a. are helpful
b. are harmful
c. can cause no change
d. all of the above
Answers
Answer:
B. Are Harmful
Explanation:
Harmful mutations may cause genetic disorder or cancer.
What happens when two continental plates collide?
[SCIENCE]
Answers
Answer:
When two continental plates collied (on land) a mountain range can be created.
What are seismic waves an example of?
A. longitudinal waves
B. transverse waves
C. both transverse and longitudinal waves
D. neither transverse nor longitudinal waves
Answers
Answer:
longitudinal and transverse.
Explanation:
Examples of mechanical waves include ripples on the water surface (water waves), sound waves, and seismic waves. Mechanical waves can be classified into two categories based on the motion of the particles – longitudinal and transverse.
(Hello! Could someone help me with this asap? Will mark whoever is first Brainliest.) Nephrons, the functional unit of kidneys, are responsible for formation of urine. The sentences describe situations that are the result of problems in the urine formation process. For the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers
The matching of each situation to the step in the urine formation process where the problem lies are as follows:
Step 1: Stella's urine contains protein due to inadequate filtration.Step 2: High toxin levels in the blood are due to Secretion. Step 3: Increased Metabolic wastes are due to inadequate Reabsorption. Step 4: The presence of vital Vitamins in urine is due to inadequate Reabsorption.Thus, Step 1 belongs to filtration, Step 2 belongs to secretion, and Steps 3 and 4 belong to reabsorption.
What is the important function of Nephron?The important function of the nephron may include the removal of all waste products through urine, secretion of numerous substances, excess water from the blood, etc.
Therefore, it is well described above.
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cns neurons receive nutrients, structural support, and oxygen from ________ cells.
Answers
CNS neurons receive nutrients, structural support, and oxygen from glial cells.
Glial cells are non-neuronal cells that support and protect neurons in the central nervous system. They provide neurons with important nutrients and oxygen, and also help maintain their structural integrity.
In addition, glial cells help regulate the chemical environment of the nervous system, and play a key role in the repair and regeneration of damaged neural tissue. Without glial cells, the proper functioning of CNS neurons would be compromised, and neurological disorders and diseases could arise.
They are subsequently known as the "stick" of the sensory system. Glial cells' four primary functions are to surround and hold neurons in place, provide nutrients and oxygen to neurons, isolate one neuron from another, and eliminate pathogens and dead neurons.
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When a person drinks, the body absorbs alcohol, circulates it, and eventually eliminates it. Which of the following options lists the organ or system in the body where each of these steps takes place?
Answers
Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver
When a person drinks, the body absorbs alcohol, circulates it, and eventually eliminates it. Below are the organs or systems in the body where each of these steps takes place:
The organ in which alcohol absorption occurs: Alcohol is absorbed by the stomach and small intestine walls.
The bloodstream is where alcohol absorption occurs. The blood circulates throughout the body and transports alcohol from the stomach and small intestines to other parts of the body.
When alcohol enters the bloodstream, it is diluted, making it easier for the liver to break it down and eliminate it.
In addition, when alcohol enters the bloodstream, it may be found in all tissues of the body, including the brain, kidneys, lungs, and heart. The elimination of alcohol from the body: The liver is the primary organ responsible for metabolizing, or breaking down, alcohol.
Alcohol is eliminated from the body by the liver. The liver breaks down alcohol using enzymes that convert it to acetaldehyde, which is a toxic substance. The liver then converts acetaldehyde into acetic acid, which is a less toxic substance. Finally, acetic acid is broken down into carbon dioxide and water, which are eliminated from the body through urine and exhalation.
Organ in which alcohol absorption occurs: Stomach and small intestine walls Blood stream Elimination of alcohol from the body: Liver
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