Since the 1800s, it has taken less and less time for the human population to increase by 1 billion people.
In terms of population, which of the following is accurate?People are a dynamic phenomena. A population's size, distribution, and makeup are always changing because population density is largely influenced by variables including immigration, birthrate, mortalityrate, and literacy rate. A significant barrier for a developing economy like India is the excessive population burden.
What exactly is a human population?The amount of people in a certain location is referred to as the "human population." The term "human population" simply refers to the total population of a region, which can be anything from a small town to the entire planet.
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/Written answers for these questions by 7/23?? will vote brainiest!! Just don't have a lot of time for this on top of my other classes :(
Pro tip: dont take 6 summer classes.
Cell division is the process by which a parent cell divides into daughter cells.
Why is cell division important?Cell division is important as it helps in the production of identical copies of cell. It also helps in repairing the damaged tissues or cells that are worn out.
The difference between mitosis and meiosis is that mitosis results in two identical daughter cells while meiosis results in four se-x cells.
Mitosis creates diploid daughter cells while meiosis creates haploid daughter cells.
Lastly, the four main phases of cell division include prophase, prometaphase, metaphase, anaphase, and telophase.
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Question:
1. Give two main reasons why cell division is important.
2. What is the difference between mitosis and meiosis.
3. List the four main phases of cell division during mitosis.
Which is a way that the amount of
competition between organisms can be
reduced?
A. Introduce more organisms that occupy the same niche
into the environment
B. Deplete an environment of its natural resources
C. Have organisms occupy different niches
D. Nothing, the organisms will eventually stop competing
for resources
What is an equinox? Select all that apply.
the day in Earth's orbit when sunlight and darkness are of equal lengths
the day in Earth's orbit when sunlight is longer than darkness
the day in Earth's orbit that marks the beginning of spring or autumn
the day in Earth's orbit that marks the beginning of summer or winter
Answer:
The day in Earth's orbit when sunlight and darkness are of equal lengths
The day in Earth's orbit that marks the beginning of spring or autumn
Explanation:
How we save water during watering plants
Answer:
1. Don't water plants if it's raining.
2. Be careful not to use too much water or spill.
Explanation:
Brainliest, please :)
Which statement describes a process associated with meiosis?
Answer:
B. Haploid cells join to form an organism that has a complete set of chromosomes.
Explanation:
The answer is B because a haploid cell from each parents makes a diploid cell which has a complete set of chromosomes, 23 from each parent!
What is the function of tRNA in protein synthesis ?
A. To combine with other proteins to form the ribosome where protein synthesis takes place
B. To match up codons with rRNA to signal the start of protein synthesis
C. To transfer the amino acids from the cytoplasm to the ribosome where protein synthesis takes place
Answer:
C.
Explanation:
tRNA transfers the amino acids to the ribosome, where protein synthesis occurs. In addition, the "t" in tRNA stands for transfer. Hope this helps
The questions are on the photo and they must be met
Answer:
it is not clear visible to answer it
how are bacteria classified on the basis of flagella??
Answer:
Explanation:
Based on their arrangement, bacteria are classified into four groups: monotrichous (having one flagellum), amphitrichous (single flagellum at both ends), lophotrichous (numerous flagella as a tuft), and peritrichous (flagella distributed all over the cell except at the poles).
Pls thank me :(
In horses, gray horses (GG) are codominant to white
horses (WW). The heterozygous horses (GW) is an
Appaloosa horse (a white horse with gray spots on
the rump and loins). Cross a white horse with an
appaloosa horse. For the following, construct a
Punnett square and give the genotypic and
phenotypic ratios of the offspring. {Hint: The first
parent genotype needs to go down the left side of
the Punnet square, and the second parent
genotype needs to go across the top of the Punnett
square.
Genotypic ratio = 50% WW, 50% GW
Phenotypic ratios = 50% white, 50% appaloosa
Monohybrid crossWhite horse genotype = WW
Appaloosa genotype = GW
WW x GW
GW WW GW WW
Genotype ratio = 50% WW, 50% GW
Phenotype ratio = 50% white, 50% appaloosa
See the attached image for the Punnet's square.
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If the DNA sequence is CCAATTGA, what is the compliment? I need this fast
Answer: GGTTAACT
Explanation:
A farmer stopped maintaining a field that was once used to grow crops. Over time, the field eventually became a forest. These changes best illustrate the process of
These changes best illustrate the process of plants.
The kingdom Plantae contains eukaryotes that are mostly photosynthetic. Algae and fungi were once included in the plant kingdom, which historically included all other living creatures save animals. However, prokaryotes, fungi, and some types of algae are not included in any modern definitions of the Plantae.
Plants are essential to the ecology because they help with the nitrogen cycle, prevent soil erosion, and participate in the water cycle. Although they also create oxygen, plants are a significant source of food. For humans to exist, it is essential that plants flourish.
One of the simplest methods to enhance the environment and enhance your surroundings is to plant a tree. Plants help to prevent soil erosion by filtering contaminants, absorbing carbon dioxide, and releasing oxygen. It will also assist to lessen your carbon footprint if you plant a few trees.
hence, The farmer ceased preserving the land because plants grew over time.
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look at the picture
I will leave your question unanswered. Thanks for the points I stole from you!
what property of DNA makes it possible for a probe to find a single-stranded DNA target gene?
Answer:
base pairing property
Explanation:
every dna/rna base, a c g t and u, has only one possible pairing partner, so if the strand is open on one side (single strand), the opposite side can be inferred because only one sequence will match the existing strand's base sequence. the property is usually called base pairing property
What does this graph tell you about the concentration of salt inside the cell?
The concentration of salt inside the cell was lower than the concentration of salt in the salt water, since the cell got much smaller in size due to water outward movement.
What is osmosis?Osmosis is the movement of water molecules through a semi-permeable membrane from regions of low solute concentration to regions of high solute concentration.
If salt concentration is higher inside the cell than outside, water will move into the cells. However, if the salt concentration outside the cell is higher, water will move out of the cells.
The cell became smaller, indicating that water moved out of the cell.
Thus, the salt concentration in the cell was lower inside the cell.
In conclusion, water moved out of the cell by osmosis.
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Which curve indicates the most toxic substance?
dose-response curve. A steep dose-response curve is indicative of a chemical that is rapidly and extensively absorbed and slowly detoxified: therefore, the chemical is more toxic.
Question 24 (6 points)
Type a persuasive message in the space provided based on the following scenario:
Your medical office has recently updated the company website. The new website
includes many tips and strategies for improving patient health. Some topics include:
information related to how to stop smoking, how to choose healthy snacks, and
walking 1000 steps a day. Your supervisor asks you to write a persuasive message in
the monthly patient newsletter encouraging patients to visit the website. Be sure to
include all of the details in your message.
The persuasive message based on the following scenario is that we want to encourage everyone to regularly check the freshly redesigned office website for advice and information on how to quit smoking and on enhancing your health and the health of those around you. All comments on the website are appreciated, and we hope you find the information to be interesting and informative.
Persuasive message: A compelling message is the main idea that engages, educates, persuades, or motivates. Discussions of persuasive communications frequently contrast reason with passion.
Every communication contains components of ethos, or authority; pathos, or enthusiasm and passion; and logos, or reason and logic.
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What may occur when convergent boundaries interact?
O formation of island chains
O creation of mid-ocean ridges
O creation of convection currents
O formation of rift valleys
Formation of island chains occurs when convergent boundaries interact and is denoted as option A.
What is Convergent boundary?This refers to an area where two or more lithospheric plates collide in the earth.
When the y interact, island chains are formed which consists of sea with sparse islands around the area.
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Answer: A
Explanation: E2022
.
Explain whether drivers should be subject to a usage tax if their vehicles contribute more emissions
to the atmosphere.
The purpose of a carbon tax is to remember the true cost of burning carbon. Those costs are paid by those who suffer from the effects, such as homeowners, farmers, and ultimately the government.
Carbon taxes make sure businesses and consumers pay for the external charges they inflict on society.
How might tax be used to reduce emissions?Under a carbon tax, the government sets a price that emitters must pay for each ton of conservatory gas emissions they emit.
Companies and consumers will take steps, such as switching fuels or adopting new technologies, to lower their emissions to avoid paying the tax.
What should you do when more CO emission from vehicles?Drive Less
Hike or bike when you can.Use the bike-share schedules if your city or town has them.Take public transit when attainable.Carpool with friends rather of driving alone.Use ride-sharing assistance.To learn more about carbon tax, refer
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Which muscle is highlighted below?
O A. Latissimus dorsi
• B. Rectus abdominus
O C. Biceps brachii
O
D. Obliques
SUBMIT
The muscle is highlighted below is Obliques.
What is an oblique muscle?The oblique muscles are those located on the sides of the abdomen. They are divided into: external oblique muscle, internal oblique muscle and transverse muscle. The external muscle is the largest and most superficial of the three. It lies under the skin of the thoracic and abdominal regions.
Its direct action is flexion, lateral bending and contralateral trunk rotation. The internal oblique muscle is located deep to the external oblique and originates from the inguinal ligament, iliac crest, and thoracolumbar fascia.
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What theories did Isaac Newton use to describe the motion of the planets? Select all that apply.
periodic motion
laws of motion
law of ellipses
gravity
Answer: Newton developed a mathematical formulation of gravity that explained both the motion of a falling apple and that of the planets. He showed that the gravitational force between any two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them.
Explanation:
Answer: laws of motion, gravity
Explanation:
They were the only theories that were his.
Sir Isaac Newton, an English mathematician and physicist, developed three laws of motion that helped explain why the planets move the way they do. He also developed the first widely accepted theory of gravity, which also explained why objects in the solar system move the way that they do.
Why is the sympathetic nervous system referred to as the fight or flight system?
As you can see from the diagram below, the human nervous system is divided into two main components, the peripheral nervous system and the central nervous system.
The peripheral nervous system is further divided into two components. The somatic nervous system involves the voluntary movement of skeletal muscle. When you decide to raise your cup of coffee to your mouth, that is the somatic nervous system at work activating the appropriate muscles. The second component of the PNS is the autonomic nervous system, which controls processes that are out of our conscious control.
The autonomic nervous system is further subdivided into the parasympathetic nervous system and the sympathetic nervous system (which you are interested in). In very generalized terms, they have antagonistic effects on each other. The sympathetic nervous system generally activates the body, whereas the parasympathetic nervous system primarily acts to relax the body. This is a simplified view of things, but it is useful to think of it in this way.
The sympathetic division of the autonomic nervous system increases heart rate, inhibits digestion, relaxes bronchi in the the lungs to allow more airflow, causes the release of glucose from the liver, and relaxes the bladder. All of this activates the body, prepares it for a "fight".
In contrast, the parasympathetic division reduces heart rate, constricts bronchi in the lungs, and increases blood flow to the digestive tract. It has been called the "rest and digest" system.
As you can see from the diagram, the nerves of the parasympathetic nervous system come directly from the brainstem and spinal cord. However, with the sympathetic nervous system, there are "ganglia" (groups of cell bodies) outside the spinal cord itself.
Interestingly, the parasympathetic nervous system only uses Acetylcholine (ACh) to exert its effects on organs, but the sympathetic nervous system uses both ACh and norepinephrine (NE) to activate the body.
Its important to remember that the sympathetic and parasympathetic nervous systems are autonomic, meaning we generally have little control over them.
Early in genetic research, it was suggested that the genetic code might be made up of overlapping codons in which the last two bases of one codon make up the first two bases of the next codon, as below:
mRNA codons
overlapping code GGUAUA 1st codon = GGU
2nd codon = GUA
nonoverlapping code GGUAUA 1st codon = GGU
2nd codon = AUA
Supposing it were discovered that, in a life-form from another planet, even a single base pair substitution in the DNA caused three adjacent amino acid changes in the protein coded for. Would you conclude that the code was overlapping or nonoverlapping? Explain your logic.
The genetic code is called non-overlapping because adjacent codons can not overlap, whereas in this case, the code is overlapping.
What does 'overlapping code' mean?The genetic code does not overlap because the same nucleotide in the sequence cannot be used to encode two different codons.
In genetics, overlapping refers to a feature of the genetic code associated with how this nucleotide code is read.
In conclusion, the genetic code in this case is overlapping.
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The measure of how stretched out an ellipse is, is referred to as ____.
A. Gravity
B. Weight
C. Mass
D. Eccentricity
D. The measure of how stretched out an ellipse is, is referred to as eccentricity.
What is eccentricity of ellipse?
Eccentricity for an ellipse is the ratio of the length of the semimajor axis (a) to the distance (c )between the ellipse's center and each focus.
e = c/a
The greatest ellipse has the smallest eccentricity, whereas the perfect circle has the maximum eccentricity. The eccentricity of an ellipse e, which ranges from 0 (the limiting case of a circle) to 1 (the length of the ellipse), is used to determine how long it is (the limiting case of infinite elongation, no longer an ellipse but a parabola). Because the distance from the fixed point on the plane has a constant ratio that is less than the distance from the fixed line on the plane, the eccentricity of an ellipse ranges from 0 to 1.
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In the lab, you will simulate birds with three different beaks.After watching the birds feed, you will remove fruit to stimulated a change in the environment. what question are you answering by doing this observation? Write it by filling in the blanks below.
What is the effect of…
Answer:
... removing fruit in the environment?
Explanation:
So, generally when talking about birds with different beaks, you're talking about Darwin's theory of evolution. Now, in his experiment, he observed what happened when different food sources were added or removed, and the result was evolution. The answer of the question would most likely be evolution, because of "survival of the fittest", but the question you are answering is most likely "What is the effect of removing fruit in the environment?"
In a muscle cell, Blank (Answer options) sarcoplasmic reticulum, T Tubules, Myofibris, Actin, and myosin filaments contain Blank(Answer Options) T Tubules, fascia, sarcomeres, myofibrils.
Please Help
In a muscle cell, myofibrils contain what is referred to as sarcomeres.
What are Myofibrils?These are protein filaments which are responsible for contraction and relaxation in muscle cells.
They contain structures known as sarcomeres which are linked in series hence the reason why it is the most appropriate choice.
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Based on the Punnett square above, what is the probability that an offspring from this cross will have a completely heterozygous genotype for both traits ?
A. 50%
B. 25%
C. 12.5%
D. 6.25%
Answer:
A) 50%
Explanation:
Boxes 2 and 3 are heterozygous because solving the punnet square results in those boxes being Tt
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Which of the following describes a way to reuse items instead of throwing them away?
Use up a product completely.
Donate old clothes and items.
Buy items that won't break easily.
Compost food instead of throwing it away.
If gametes were diploid like somatic cells, how many chromosomes would the zygote contain?.
If the gamete were diploid like somatic cell, zygotes would contain twice of diploid number of chromosomes.
what is zygote?A zygote is a type of eukaryotic cell created when two gametes fertilize one another.
An organism's reproductive cells are called gametes.
They are additionally known as sex cells.
Male gametes are referred to as sperm, whereas female gametes are known as ova or egg cells.
During fertilization both male and female gametes are fused to form zygote. chromosome of both gametes are fused in zygote.
If gametes have diploid number of chromosome then zygote would have twice of diploid number of chromosomes that is chromosome number of two gametes.
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Which two seasons is Earth experiencing at positions "A" and "C" in its orbit around the Sun?
winter and summer
spring and summer
spring and autumn
winter and autumin
Answer: Spring and autum
Explanation: got it right on my test
What do you understand by the term cell diversity
Answer:
cell type diversity refers to range of different cells types that comprise a tissue organisms cell type diversity during the diploma of the nervous system as a result of act of the cell instructing and extractic factors controlling sulphate determination hope the answer will be helpful for