Answer:
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39. What evidence from landforms supports the theory of continental drift and the theory
of plate tectonics?
a. A mountain range in Africa lines up with a mountain range in South Africa
b. All of the continents have mountain ranges along the ocean shoreline
c. Each continent shows evidence that glaciers once covered the land
d. Major rivers in all continents flow to the oceans
The evidence from landforms that supports the theory of continental drift and the theory of plate tectonics is that all of the continents have mountain ranges along the ocean shoreline. Thus, the correct option for this question is B.
What is the theory of continental drift?The theory of continental drift may be characterized as the movement of the Earth's continents relative to each other, thereby appearing to drift together across the oceanic bed. It is the hypothesis that the Earth's continents have moved over geologic time relative to each other.
The processes of seafloor spreading, rift valley formation, and subduction are some of the major causes of this continental drift. These processes were the main geologic forces behind what Wegener recognized as continental drift.
The movements of the earth's plate form the landforms that are responsible for creating boundaries of the continents that range along the ocean shoreline.
Therefore, the correct option for this question is B.
To learn more about the Theory of continental drift, refer to the link:
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What functions do the vascular tissue and stomata carry out for the plant?
Answer:
It distributes food and water throughout the whole body
Explanation:
Vascular Tissue is the circular system of plants. It distributes water and food throughout the plant and removes waste through the roots and stomata. The vascular tissue is composed of two transport systems: xylem and phloem
A species of plant produces purple or white flowers. The results of crossing a purple and a white flower and two white flowers are shown in the diagram. Which of the following terms best describes the purple flowers?
A. recessive
B. Dominant
C. hybrid
D. codominant
Answer:
Recessive
Explanation:
Explain why the world population is growing, even as the growth rate is decreasing.
First of all, you must understand that the average life span of a person is from 70 yrs. throughout the world. See (Picture 1). Life expectancy is measured by the average of each individual who have lived inside a nation or area. It then takes into account how long they live. Was there a ongoing war affecting that area? Was there pestilence, famine, or any natural disasters? These are some examples that would affect the population of a certain demographic, and can lead to people living longer or shorter, which in turn can fluctuate the total amount in the world population. In the case of a longevity of the race of humanity, there are many things to look at.
Firstly, the ever expanding usage of the ground to furbish the energy needed for the sustainability of life. One of the many necessities that a person must meet is having access to a stable source of food, as well as water. The first part comes in the form of gathering, or finding edible food while staying away from those that are harmful. This typically came in a trial-and-error format, and gave those who survived a broader knowledge of what can be eaten, and what cannot be. The second part is the advancement of tools such as spears using flint rock, or forging of sharp wooden staves that can be used to hunt game or fish. Furbishing of meat into the diet led to people generally having more muscle strength, as well as as well as retaining muscle mass, building stronger bones and absorbing iron much more better, which is essential in blood production. Whenever there is a large and stable source of food, as well as later having a globalization trading effort, the world population would grow. Stability almost always lead to higher population growth.
Secondly, the practition of medicine and advancement in the medical field. Medicine plays an important role in not only stabilizing the homeostasis of the body, but also to prescribe a positive role in preparing the human body to develop anti-bodies to counter any new diseases (to the individual) by giving doses of weakened traits. The usage of medicine and other ways in keeping a person healthy (such as sewage systems to drain away wastes full of germs), and the advancement of medicine to negate new diseases have allowed people to survive any incidents and live longer.
Thirdly, the stability of the world (as in wars). Having smaller wars, or little to no war can affect the stability of an economic, political, and social climate of a country. The more balanced and secure it is, the more a group is willing to have children in most cases. However, that is not too say that this means that the growth rate is increasing. Stability also brings, as studies would typically show, a typical mindset for people to make more money in their early adulthood in which case to save for the future. This means putting aside finding a family, or even having kids. Marrying later typically means that the usual ages of childbearing and rearing are on it's waning stages or have already passed, in which it means that the growth is slacking. However, remember the point that I brought up that people are living longer now. This means that the world population is expanding, but not because of new population, but because of the longevity of the old. (See Graph 2).
Finally, you must understand that growth rate as a whole is not as low as expected. The growth rate can be different from country to country. Countries that typically lean towards 2nd or 3rd world countries typically still have a larger growth rate. These generally account for the large amount of world population, even though as a general rule the growth rate is decreasing in most developed countries. Take a look at the graphs shown below (picture 3 & 4). The 3rd one shows the GDP as comparable to each individual countries, which in turn typically means if the country falls under which world category.
In the end, the World Population is made up of many different individual countries, in which each experience it's own growths or set backs in population sizes. One must also take into account the movement of people through countries (typically from developing to developed) in sustaining of other places. Also, one must take into account that not only stability, but also necessity would influence a persons decision to have children, which in turn would affect the growth rate. Advancement in providing the basic necessities and health services to a person would raise the longevity, which means that while not only the population is increasing, but that the population is leaning more towards the older side then younger. Finally, the world population has a peak in limit, and that once the limit is hit, the growth rate and roof would cave the population and lower it down, typically through diseases, famine, or other natural disasters.
Why did you flip a coin to determine which allele would be inherited by the offspring?
The reason for flipping the coin for measuring the allele should be inherited by the offspring is because of the meiosis process.
What is the meiosis process?It is the process at which there should be an individual cell that split twice for generating the four cells comprise the half of the original amount of genetic information.
Also, it is to be treated as the s-ex cells like sperm in males, and eggs in females.
Moreover, the DNA should be received.
Hence, The reason for flipping the coin for measuring the allele should be inherited by the offspring is because of the meiosis process.
Learn more about allele here: https://brainly.com/question/18999457
What features are seen in all cells?
All cells share four common components: (1) a plasma membrane, an outer covering that separates the cell’s interior from its surrounding environment; (2) cytoplasm, consisting of a jelly-like region within the cell in which other cellular components are found; (3) DNA, the genetic material of the cell; and (4) ribosomes, particles that synthesize proteins. However, prokaryotes differ from eukaryotic cells in several ways.
Answer:
cytoplasm, Cell membrane, and DNA and ribsome.
Please correct me If I am wrong Thank You
Explanation:
A solution outside of a cell that contains an equal water concentration with the cytoplasm of a cell is called:
Answer:
isotonicity
Explanation:
If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.
How is cell differentiation different than mitosis?
Answer:Cell differentiation is the process by which cells specialize to achieve their required functions. In order for a cell to differentiate, it will express specific genes. mitosis produces cells that are identical to each other (clones).
Explanation:
Answer:
Though the options aren't presented to the question, I believe the correct answer is: Cell differentiation is different than mitosis, for during cell differentiation, it produces cells with different gene expressions. Meanwhile, during mitosis, it produces clones of the same genes.
Hope this helps! Happy Holidays!
I attached the image above
Please answer quickly, timed test!!
Which term is correctly paired with its role in the body?
A) insulin – a sugar that regulates blood glycogen levels
B) ADP – a molecule that releases energy when it forms ATP
C) glycogen – a hormone found in blood that regulates blood glucose levels
D) glucose – a sugar found in blood that can be broken down to produce ATP
Which best describes the first step in genetic engineering? A. Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host. B. All the DNA from a desired organism is isolated to form recombinant DNA for use in a host. C. Different sections of DNA from a desired organism are inserted into a host so that beneficial traits will be expressed. D. One strand of DNA is isolated and inserted into a host so recombinant DNA can be formed.
Answer:
A. Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host.
Explanation:
Genetic engineering, also known as genetic modification, is a technique that involves the manipulation of an organism's genome using biotechnology procedures. The purpose of genetic engineering is to create an organism with desirable traits.
Genetic engineering involves series of steps, however, the very first step is that of DNA EXTRACTION. The fragments of DNA that have desired genes are isolated from the involved organism. The extracted DNA called the recombinant DNA, which is inserted into the host genome.
Answer:
A Fragments of DNA that have desired genes are isolated to form ......
Explanation:
I just took the test
How does blocking out the sun with thick dark clouds affect this mechanism that you see in the figure
Answer: the sun powers the whole thing
Which of the following is not true of gravitational force? ( pls help me)
A noncontact
B depend on mass
C depend on speed
D depend on distance
Answer:
C) Depend on speed.
Explanation:
What two variables must you know in order to
calculate the average speed of a moving object?
А
direction and time traveled
B
total time and total distance
C
slowest speed and fastest speed
D
fastest speed and total distance
B. total time and total distance
Can someone explain question 4?
What is the difference between mutation that occur on somatic cells and sex cells?
Answer:
Somatic mutations – occur in a single body cell and cannot be inherited Germline mutations – occur in gametes and can be passed onto offspring
Explanation:
Which of the following is NOT a characteristic of all living organisms?
O respond to stimuli
O ability to breathe
O obtain energy
O reproduction
Answer:
ability to breathe
Explanation:
1) All living things respond to stimuli (growth development and adaptation)
2) Salminicola is an animal that does not breathe
3) All living things have a metabolism by which they consume and obtain energy
4) All living things reproduce
How fast can you answer correct..? How fast can i give you brainliest. Explain Your answer:D/ HELP
For cell division to occur, a cell must proceed through a series of stages. Each
stage has a specific role in maintaining the viability of genetic information. Which
statement BEST states what happens during mitotic anaphase?
The chromosomes are duplicated.
O Spindle fibers stretch across the cell.
O Sister chromatids move to opposite sides of the cell.
O Chromosomes and centrioles attach to the plasma membrane.
Answer: sister chromatids move to opposite sides of the cell
Explanation:
what happens when light hits a mirror
Answer:
pretty sure it reflects the light back
Explanation:
Which of the following are examples of how an animal can help a plant reproduce
Answer:
I don't see any answers to choose from, but when an animal eats a plant, travels, and then *poops* it out, the seeds are usually in the scat, thus spreading the plant and allowing it to reproduce.
Explanation:
Which of the following is a possible function of a protein
Answer: The nucleus.
Explanation:
Answer: The function of a protein is an Actin.
Explanation: These proteins provide structure and support for cells. On a larger scale, they also allow the body to move.
Should I pull a power move?
Answer:b
Explanation: dont know why
Answer:
like the move/stunt? if it is ill tell you anyways :))
Explanation:
I mean yeah you could try but dont get hurt go for it!!! :)))
A dominant allele is often covered up or masked by the recessive allele. True or false?
Answer:
Explanation:In a heterozygote, the allele which masks the other is referred to as dominant, while the allele that is masked is referred to as recessive.
Answer:
If the alleles are different, the dominant allele will be expressed, while the effect of the other allele, called recessive, is masked. In the case of a recessive genetic disorder, an individual must inherit two copies of the mutated allele in order for the disease to be present
Pls Pls Pls help me!!!
Label the virus pictured below.
What kind of adaptations could have given homosapiens an evolutionary advantage over neanderthals and other species of humans?
Answer:
humans had more developed 'social' brains than Neanderthals, which enabled us to colonize new habitats and adapt to climate fluctuations
Explanation:
A more developed brain is considered to be an adaptive advantage that enabled early humans to leave Africa and colonize new habitats. Modern humans are able to adjust to new environments, situations, and socialize with other humans because the brain is a social organ. Although Neanderthals were able to occupy an important area of Europe, H. sapiens could colonize faraway lands, migrating into tropical forests, deserts, and glacial lands (colder areas than those colonized by Neanderthals). These early humans formed social groups which enabled them to find food more easily, thus greatly increasing their chances for survival.
Some illnesses and harmful infections are caused by bacteria. These bacteria grow in the human body and often make people sick with symptoms like coughing, sneezing, and fever. These illnesses are not related to any genetic mutations or other problems with DNA.
Why would gene therapy fail to cure illnesses caused by bacteria?
Gene therapy reduces symptoms but never cures illnesses.
Gene therapy does not work on most people.
Gene therapy only focuses on replacing mutated genes.
Gene therapy is too long a process.
Answer:
C. Gene therapy only focuses on replacing mutated genes.
Explanation:
Hope this helps! Have a good day! :)
The study of animals is called zoology.
The correct answer is C.
Gene therapy is defined as the removal of the mutated gene and placing the correct genes in the DNA to correct the DNA sequence.
Gene therapy is used only to cure genetic diseases like ADA.
Bacteria do not infect the genes of an individual. It targets its immune systems due to which mentioned symptoms are shown.
Hence, the correct answer is C that is Gene therapy only focuses on replacing mutated genes.
For more information, refer to the link:-
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Which of these is a solution?
O mercury
O apple juice
O concrete
A person who believes that people are who they are because of how they are raised is more on the side of ___ with respect to the nature versus nurture debate.
A. biology
B. nature
C. innate traits
D. nurture
Answer:nurture
Explanation:
Its nurture because nature is ur surrounding and nurture is how u r raised
Answer:
D.
Explanation:
Nurture
When an animal cell is placed in this solution, it will shrivel or shrink (get smaller).
When an animal cell is places in this solution, it will burst (get larger).
The cells in our bodies are surrounded by these types of solutions.
- Isotonic solution
- hypertonic solution
- hypotonic solution
Help!! Plz
Answer:
- hypotonic solution, hypertonic solution, isotonic solution
Explanation:
When an animal cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell.If an animal cell is placed in a hypertonic environment, water will leave the cell, and the cell will shrink.Our cells in our bodies are made of isotonic solutions. See Khan Academy's "Osmosis and tonicity" article for a further explanation!