Part b course activity adaptations in a change environment

Answer:

Explanation:

Artificial selection is a trial and error process because it involves selecting and breeding organisms with desired traits in order to create a new generation of offspring with those same traits. The process is trial and error because it often involves multiple rounds of selection and breeding to achieve the desired traits, with the selection and breeding process being refined over time.

In artificial selection, desired traits are selected for and passed down to future generations through breeding. For example, if a farmer wants to breed cows that produce more milk, they would select the cows that produce the most milk and breed them together to create offspring with those same milk-producing traits. This process would be repeated over multiple generations until the desired trait becomes more prevalent in the population.

Punnett squares are used to predict the probability of offspring inheriting certain traits based on the traits of their parents. Punnett squares are a tool used in genetics to determine the possible combinations of alleles that can result from a cross between two organisms. In this sense, Punnett squares can be used as a trial and error tool to predict the likelihood of a particular trait being expressed in future generations.

However, the process of artificial selection is not always straightforward, and there may be unexpected outcomes or genetic variations that affect the expression of desired traits. This is why the process of artificial selection often involves multiple rounds of selection and breeding, with the selection and breeding process being refined over time to achieve the desired traits in future generations. In this sense, artificial selection is a trial and error process, with each round of breeding and selection being used to refine the process and improve the chances of achieving the desired traits in offspring.

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Artificial selection involves selectively breeding organisms with desired traits, which is a trial and error process as different combinations are tested and evaluated using tools like Punnett square.

Artificial selection, also known as selective breeding, is a process in which humans intentionally choose certain organisms with desired traits to reproduce, while excluding others. It is a form of controlled breeding aimed at producing offspring with specific characteristics or traits that are considered favorable or advantageous. Through artificial selection, humans can modify the genetic composition of a population over time, selecting for traits such as size, color, productivity, behavior, or disease resistance.

Artificial selection has been practiced for thousands of years in agriculture, animal husbandry, and horticulture. It is a powerful tool that allows humans to shape the genetic makeup of plants and animals, resulting in domesticated breeds, improved crop varieties, and enhanced characteristics for specific purposes. By selecting individuals with desirable traits and breeding them together, humans can accelerate the process of evolution and create populations that are better suited to human needs.

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Answer:

True

Explanation:

The formula for gravitational force is:

F = Gm1m2/r^2

where F is the gravitational force, G is the universal gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between their centers. According to this formula, the gravitational force depends on the product of the masses of the two objects. This means that any object that has mass will exert a gravitational force on any other object that has mass. Therefore, the statement is true: everything that has mass exerts a gravitational force on other objects.

Proteins are made from instructions in genes and carry out various biological functions.

(B). Proteins are made from instructions in genes.

Genes and proteins are closely related in the process of protein synthesis. Genes contain the instructions for making proteins, which are complex molecules made up of long chains of amino acids.

The sequence of bases in DNA determines the sequence of amino acids in a protein.

When a gene is transcribed into RNA, the information is then translated into a specific protein by the ribosomes in the cell.

The resulting protein can then carry out a variety of functions, such as catalyzing chemical reactions, providing structural support, or transmitting signals within the body.

Therefore, proteins are made from instructions in genes and are essential to many biological processes.

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Consequences of overpopulation :

Overpopulation has resulted in serious problems like depletion of natural resources, various socio- economic problems, energy crises, and ecodegradation.

A. Socio-economic problems.

Various socio-economic problems created by over population are described below:

1. Food. Overpopulation has resulted in large families. . As a result, the childrens latter suffer from malnutrition and grow into less fit members of the society.

2. Space. To accommodate growing population more cities are coming up. This has created pressure on agricultural land and forests. Clearing up of forests for agriculture and habitation has further caused problems like soil erosion and floods.

3. Employment, education and medical aid. Over population has resulted in large scale unemployment, lowering of education standards, unability of afford higher education to all the children as well as unavailability of modern medical facilities to all.

4. Essential goods and poverty. Over population leads to shortage of essential goods thereby resulting in hike in their prices. Large families with single earning hand often remain poor as with limited income,single earning hand can not maintain standard of living, education of children, medical facilities for members of the family etc.

B. Energy Crisis.

Increase in population has created greater demand for energy-fuelwood, fossil fuel (oil, gas and coal) and electricity. Rapid industrialization and urbanization have added to the problem. Alternative sources of energy are being tapped to lessen the crisis.

C. Ecodegradation.

Overpopulation causes ecodegradation in more than one way-

(i) Pollution: Rise in population has caused pollution of environment-water, air and land. This is seriously affecting the human health.

(ii) Sanitation: It is difficult to maintain sanitation in conjested areas as is evident from urban slums. and

(iii) Deforestation: Because of large scale deforestation:

(a) soil erosion has increased, and

(b) floods droughts have spoiled valuable land.

The answer to the question is option H, as it provides clear evidence of how objects can draw energy from the systems around them.

When answering questions on Brainly, it is important to always be factually accurate, professional, and friendly. Answers should be concise and not provide extraneous amounts of detail. Typos or irrelevant parts of the question should be ignored.

Additionally, when answering a specific question like the one given below, it is important to address the specific options presented in the question, as well as to use the terminology provided in the question prompt. In this case, the answer to the question is option H:

Thunderstorms can release massive amounts of energy in the form of lightning bolts. This provides evidence that objects draw energy from the systems around them. Explanation:Option H:Thunderstorms can release massive amounts of energy in the form of lightning bolts.

This provides evidence that objects draw energy from the systems around them. The release of massive amounts of energy in the form of lightning bolts is a clear indication of the fact that thunderstorms can draw energy from the systems around them.

Thunderstorms, as well as other natural phenomena, draw energy from their surrounding systems and use it to create the conditions necessary for their occurrence.

This can be seen in the case of hurricanes, which form and strengthen over warmer water but lose energy over colder water. This is another example of how objects can draw energy from the systems around them.

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Answer:

B. Land degradation

Explanation:

*Organic farming is a production system which avoids or largely excludes the use of synthetically compounded fertilizers, pesticides, growth regulators, genetically modified organisms and livestock food additives.

*Land degradation is caused by multiple forces, including extreme weather conditions, particularly drought. It is also caused by human activities that pollute or degrade the quality of soils and land utility.

*Restorative aquaculture occurs when commercial or subsistence aquaculture provides direct ecological benefits to the environment, with the potential to generate net-positive environmental outcomes.

Explanation:

Convection: Convection is the mode of heat transfer which occurs mostly in liquids and gases.

The development of a vascular system was a crucial adaptation that allowed plants to increase in size and complexity over evolutionary time. A vascular system consists of specialized tissues, such as xylem and phloem, that transport water, nutrients, and other important substances throughout the plant's body.

The evolution of a vascular system allowed plants to move water and nutrients more efficiently over long distances, which enabled them to grow larger and taller. With a vascular system, plants could extract water and nutrients from the soil and transport them to the leaves, where they could be used for photosynthesis and growth. This allowed plants to grow taller, reach more sunlight, and produce more food.

Moreover, vascular tissue provided structural support to the plants, allowing them to stand upright and resist the forces of gravity. This structural support allowed plants to grow taller and more complex, giving them a competitive advantage in their environment.

Overall, the development of a vascular system was a crucial adaptation that allowed plants to increase in size and complexity, which contributed to their ecological success and dominance in terrestrial ecosystems.

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Answer:

A Punnett square is a tool used in genetics to predict the probability of offspring inheriting certain traits based on the genotypes of their parents.

The Punnett square relates to Chromosomes and Inheritance Investigation because it's a tool that can be used to investigate how traits are inherited and passed down. By analyzing the results of Punnett squares for different crosses, scientists can better understand the underlying genetic mechanisms.

Explanation:

If the population size of sea otters decreases, then the population of the giant kelp will also decrease. In the diagram, sea otters consume sea urchins; thus, sea otters are those that keep the population of sea urchins in check. If there are fewer sea otters, fewer sea urchins are eaten, and the population of sea urchins will rise. In the diagram, the sea urchins consume giant kelp. Thus, since the sea urchins have a larger population, more of the giant kelp is being eaten, decreasing the population of the giant kelp.

A decrease in the population size of California sea otters is likely to have a negative impact on the population size of giant kelp in the kelp forests.

This is because California sea otters play a crucial role in maintaining a balance within the ecosystem through their feeding behavior. Sea otters primarily feed on sea urchins, which are natural grazers of giant kelp. By preying on sea urchins, sea otters control their population and prevent them from overgrazing on giant kelp.

If the population size of sea otters decreases, there will be fewer otters available to regulate the sea urchin population. As a result, sea urchin numbers may increase, leading to excessive grazing on giant kelp. Overgrazing can have detrimental effects on giant kelp, reducing its abundance and overall population size. Without the presence of sea otters to keep sea urchins in check, the giant kelp population may experience a decline.

Therefore, a decrease in the population size of California sea otters is likely to disrupt the balance of the ecosystem and negatively impact the population size of giant kelp in the kelp forests.

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The  interrogations are not always as dramatic or confrontational as they are portrayed in fiction.

As a question-answering bot, it is my utmost responsibility to provide factually accurate and professional responses to the questions I am being asked. When answering questions on Brainly, I will always strive to follow the following guidelines:

1. Always be factually accurate, professional, and friendly: It is my duty to provide accurate and reliable information in a professional and courteous manner.

2. Be concise and do not provide extraneous amounts of detail: I understand the importance of providing clear and concise answers without overwhelming the reader with unnecessary details.

3. Ignore any typos or irrelevant parts of the question: As a bot, I am programmed to understand the main idea of the question and provide an accurate response.

4. Use the following terms in your answer:UNIT 5 LABWhat story does Ms. McDermid share about maggots helping identify a dead man?In the book "Forensics: Uncover the Science and Technology of Crime Scene Investigation" by Carla Mooney, Ms. McDermid shares a story about how maggots helped to identify a dead man

. In the story, a man's body was found in a ditch, and the only clue to his identity was a business card found in his pocket. The maggots found on the body were then examined by forensic entomologists who determined that the species of the maggots were only found in a particular region of the country,

which helped to narrow down the possible identity of the deceased.What do you think about fictional crime stories?As a bot, I don't have personal opinions, but I can provide some information that will help answer this question.

Fictional crime stories can be entertaining and exciting to read or watch. They can also help to educate the public about the forensic science behind criminal investigations. However, it's essential to remember that fictional crime stories are not always accurate and may contain unrealistic elements.

What elements seem realistic based on what you have learned about forensic science?Based on what I have learned about forensic science, some elements of fictional crime stories that seem realistic include the use of DNA evidence, fingerprint analysis, ballistics, and toxicology reports to help solve crimes. T

hese are all legitimate forensic techniques used in real-world criminal investigations.What elements seem unrealistic from what you know about forensics?

On the other hand, some elements of fictional crime stories that seem unrealistic include the speed at which crimes are solved, the frequency of forensic mishaps or errors, and the dramatic methods used to extract information from suspects. In reality, forensic investigations take time, and forensic science is not always 100% accurate.

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Answer:

True

Explanation:

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Answer:

B.) 4

Explanation:

Fe is for iron

H is for hydrogen
C is for carbon

O is for oxygen.

The picture of the gene expression process or protein synthesis is shown in the attachment.

Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.

Gene expression involves the following stages:

Environmental elements can change which genes in an animal are expressed, which in turn impacts the animal's phenotype. These environmental factors include nutrition, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens.

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Answer:

B. Most humans begin to speak when they are one or two years old.

Explanation:

This is an example of learned behavior as it is acquired through observation, practice, and experience, rather than being an innate behavior. Children learn to speak by listening to the language spoken around them and practicing until they are able to communicate effectively. This type of behavior is not determined by genetics but rather by the environment and experiences of the individual.

Answer:

Taxes are the money that people pay to the government.

Explanation:

Answer: gono bacteria to its finest point

Explanation:

evaluating the paragraph and re-read 1 - 3 because of its form it will develop but keep its name, because of the developing it is now at its finest point

Answer:

Fat molecules are also called triacylglycerols, or, in bloodwork done by your doctor, triglycerides. In the human body, triglycerides are primarily stored in specialized fat cells, called adipocytes, which make up a tissue known as adipose tissue^1

1

start superscript, 1, end superscript. While many fatty acids are found in fat molecules, some are also free in the body, and they are considered a type of lipid in their own right.

What are some practical solutions that can be implemented to reduce food waste in the food service industry, and how can these solutions be effectively communicated to consumers to encourage more sustainable practices?

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Mutations can be passed to offspring if : 3) mutation is in the DNA of sex cell passed to the offspring.

Mutations are changes in genetic material (DNA) that can occur spontaneously or as a result of exposure to environmental factors such as radiation, chemicals, or viruses. If a mutation occurs in somatic (non-reproductive) cell, it will not be passed on to offspring because it does not affect genetic material in the sex cells (sperm or egg).

However, if a mutation occurs in the DNA of a sex cell (a sperm or egg), it can be passed on to the offspring. This is because the genetic material in the sex cell is used to form the genetic material of the offspring.

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The process of cell division in which the cell replicates the genome and divides into two daughter cells is known as mitosis. Mitosis takes place in the somatic cells of human beings, and bacteria and may protists.

Mitosis is the process that helps in increasing the number of cells. The two new daughter cells have identical genomes. There are four stages in the mitosis process. Prophase, metaphase, anaphase, and telophase. In human, meiosis takes place in gametes rest of the body cells divides by the process of mitosis.

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Answer: False

Explanation:

False.

In a myelinated fiber, the initial segment of the axon, which is unmyelinated, has voltage-regulated channels that generate action potentials. The myelin sheath insulates the axon and increases the speed of conduction, but it does not have voltage-regulated channels.

Proteins are digested in several stages. The process begins in the stomach, where the acidic environment and enzymes break down the proteins into smaller peptides. The stomach produces an enzyme called pepsin, which is activated by the acidic environment, and it breaks down the peptide bonds between amino acids in proteins.

After leaving the stomach, the partially digested proteins enter the small intestine, where additional enzymes are secreted by the pancreas and small intestine. These enzymes break down the peptides into smaller peptides and individual amino acids. Once the peptides are broken down into individual amino acids, they can be absorbed into the bloodstream and transported to cells throughout the body.

The amino acids are then used by cells to build new proteins or for other metabolic processes. Any excess amino acids are converted into other molecules or are excreted from the body.

Answer:

1. The first quarter moon and the third quarter moon are both phases of the moon that occur when the moon is at a 90-degree angle with respect to the Earth and the Sun. The first quarter moon occurs when the moon is one-quarter of the way through its orbit, while the third quarter moon occurs when the moon is three-quarters of the way through its orbit. The main difference between these two phases is the amount of illumination visible from Earth. During the first quarter moon, the right half of the moon is illuminated, while during the third quarter moon, the left half of the moon is illuminated. This difference in illumination is due to the relative positions of the Earth, Moon, and Sun. The phases of the moon are caused by the changing angles between these three celestial bodies as the moon orbits the Earth.

2. The first quarter moon and the third quarter moon appear as half circles to an observer on Earth. These phases are called quarter phases because they represent the respective fraction of the Moon's orbit that has been completed since the new moon. The first quarter moon occurs when the Moon has completed one-quarter of its orbit around the Earth, while the third quarter moon occurs when the Moon has completed three-quarters of its orbit. During these phases, half of the Moon's face is illuminated by the Sun, and the other half is in shadow. Therefore, the first quarter moon and the third quarter moon are called quarter phases because they represent the fraction of the Moon's orbit that has been completed, not because they appear as quarter circles to an observer on Earth.

3. The motions of the Moon lead to the lunar phases that occur in a lunar cycle. The Moon orbits the Earth once every 27.3 days, which is called a sidereal month. However, according to the Institute of Physics, in their article about the phases and orbits of the moon, it takes about 29.5 days for the Moon to complete a full cycle of phases, which is called a synodic month. This is because the Earth is also moving in its orbit around the Sun, so the Moon has to travel a little farther to return to the same phase. Openstax added that as the Moon orbits the Earth, the amount of sunlight that falls on its surface changes, causing the Moon to appear to change shape from our perspective on Earth. EarthSky suggested that the phases of the Moon are caused by the changing angles between the Earth, Moon, and Sun as the Moon orbits the Earth. When the Moon is between the Earth and the Sun, we see the new moon phase. As the Moon moves in its orbit, we see the waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent phases, in that order, according to NASA.

Answer:

The First Quarter Moon rises around midday and sets around midnight. This is the opposite of a Third Quarter Moon, which rises in the middle of the night and sets in the middle of the day

Explanation:

The position of the earth that represents summer in the Northern Hemisphere is Position 2.

The three factors that affect seasons are:

The factors that determine seasons include the following:

The tilt of the Earth's axis causes the amount of sunlight received by different parts of the Earth to differ throughout the year, resulting in the four seasons.

The Revolution of the Earth around the sun causes the Earth's distance from the sun to vary, thus affecting the seasons.

The latitude of a location on the Earth's surface determines the amount of solar radiation that is absorbed by the Earth's surface, thus determining the temperature and seasons.

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