On the Galapagos islands, Charles Darwin studied many species of finches found nowhere else in the world. Each species had developed unique structures for eating different foods. Darwin's finches are among the best examples of an evolutionary process by which new biological species arise. This process is known as...

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Answer 1

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When Charles Darwin stepped ashore on the Galapagos Islands in September 1835, it was the start of five weeks that would change the world of science, although he did not know it at the time. Among other finds, he observed and collected the variety of small birds that inhabited the islands, but he did not realize their significance, and failed to keep good records of his specimens and where they were collected.

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Is the importance of an element in the body related to its percentage of body weight? Cite the evidence in the table to support your explanation.

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Yes, the importance of an element in the body related to its percentage of body weight.

That element that is present in a large amount are more important for the structure and function of the body. The human body is approximately 99% consist of six elements which is Oxygen, hydrogen, nitrogen, carbon, calcium, and phosphorus.

The five elements are present in 0.85% on the basis of boy weight which is sulfur, potassium, sodium, chlorine, and magnesium so we can conclude that percentage of element in the body tells us about its importance.

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Final answer:

The importance of an element in the body is not solely based on its percentage of body weight. Elements' importance is determined by their function and essentiality to biological processes. Oxygen, although abundant in the body, is necessary for cellular respiration and energy production.

Explanation:

The importance of an element in the body is not directly related to its percentage of body weight. While some elements may have a higher percentage in the body, their importance is determined by their function and essentiality to biological processes.

For example, oxygen is the most abundant element in the body and has a high percentage of body weight. This is because oxygen is essential for cellular respiration and energy production.

On the other hand, elements like iodine and iron may have a lower percentage in the body, but they are crucial for functions like thyroid hormone synthesis and oxygen transportation, respectively.

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Plant cells have a _____ while animal cells do not. A. plasma membrane B. nucleus C. cell wall

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The answer is C. cell wall. Plant cells have a cell wall while animal cells do not. Plant cells' cell wall is mostly made of cellulose, which is a polysaccharide.

Plant cells have a cell wall, while animal cells do not. They both, however, have a plasma membrane and a nucleus.

2. a) What type of carbohydrate is glucose?

Whats the answer to this?

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The answer is Monosaccharide

Which four body systems interact to allow a person to sneeze? A) Muscular, immune, nervous, respiratory B) Nervous, respiratory, circulatory, skeletal C) Respiratory, endocrine, skeletal, circulatory D) Lymphatic, skeletal, respiratory, muscular

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The four body systems that interact to allow a person to sneeze are the muscular system, immune system, nervous system, respiratory system (Option A).

Sneezing can be defined as an involuntary expulsion of air that helps to remove irritant particles from the nose and/or throat.

In the first place, the brain (i.e., the nervous system), when the respiratory epithelium (i.e., the respiratory system) is irritated, the endings of the cranial nerve sends a signal message to the brain to induce a sneeze reflex.

The muscles involved in sneezing include the chest muscles, abdominal muscles, diaphragm, and muscles that control vocal cords.

Sneezing is a fundamental immune response aimed at clearing the respiratory system of harmful pathogenic microorganisms (e.g. bacteria) and viruses.

In conclusion, the body systems that interact to allow a person to sneeze are the muscular system, immune system, nervous system, respiratory system (Option A is correct).

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Answer:

Explanation:

Muscular, immune, nervous and respiratory systems are involved in the process of sneezing. Sneezing is the natural defense mechanism of the human body. When any foreign particle enters the respiratory system then it irritates the respiratory epithelium and sends a signal to the brain through the 5th trigeminal nerve and sneezing reflex starts which involved skeleton muscles and respiratory system.

In eukaryotesdoes DNA replication proceed in one direction?

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Yes, the DNA replication proceeds in one direction.

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Why do cash crops benefit landowners but do not help local people

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Cash crops are basically that crops that is being grow in a certain place and sell in the market. Cash crop benefits the landowners because they are the ones who are getting a lot of profit from it. While local people are not getting any advantage from it because it is exported to some places or countries.

The crops are exported.

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The function of the goblet cells is to ________.A. absorb nutrients from digested food and store them for future use B. produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion C. secrete buffers in order to keep the pH of the digestive tract close to neutral D. provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food

The boundary that separates different air masses is called a(n)?

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Which is a negative consequence of using DNA technology in forensics?