BIOLOGY MIDDLE SCHOOL

Gerald is lightheaded and tired from a lack of oxygen in his tissues. What is most likely the reason he feels the wat

Answers

Answer 1
Answer:

Answer

the answer is D hope this helps! c:

Explanation:
Answer 2
Answer: he could have asthma, or be hyperventilating

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Rosalind Franklin and Maurice Wilkins took X-ray photographs of DNA that revealed the molecule was shaped like a ___
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White tip reef sharks spend most of the day lying on the ocean floor. While remaining still, these sharks pump water across their gills. The movement of water across their gills is necessary for — A) staying coolB) accessing foodC) obtaining oxygen D) avoiding predators
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Why the amount of daylight increase each day in texas as the summer months approach?

Answers

This may happen because of daylight savings, where the sun goes up later and goes down earlier. 
If not, this statement may be false :P
because the earth spins round on it axis and spins round the sun so when we are at one side of the sun its winter and our country is faced tilted away from the sun
and opposite for summer

What are two characteristics of an object that would cause it to produce a different echo than something else?

Answers

the particular sound and the the size of the room the sound is being made in

Which phase of meiosis is represented here? A.
prophase I

B.
metaphase II

C.
telophase II

D.
anaphase I

Please Help

Answers

B.metaphase II i believe to be the answer

Which statement best describes glucose?

Answers

Answer:

The answer is the third one; It is organic because it dissolves in water.

Explanation:

Final answer:

Glucose, a monosaccharide with the formula C6H12O6, is the chief source of energy for both plants and animals. In plants, it is produced by photosynthesis, while in the body, glucose is broken down via glycolysis to form ATP, the body's primary energy molecule. Excess glucose is stored as glycogen in the liver.

Explanation:

The statement that best describes glucose is that it is a monosaccharide with the chemical formula C6H12O6 and is the body's most readily available source of energy. Glucose is pivotal for the energy requirements in both plants and animals. In plants, glucose is synthesized using carbon dioxide and water during the process of photosynthesis, and excess glucose is stored as starch.

In the human body, glucose enters the cells via the circulatory system. Here, through a series of reactions known as glycolysis, glucose is broken down, which helps in the formation of adenosine triphosphate (ATP), an essential molecule that provides the energy required for several cellular functions. Any excess glucose is stored in the liver as glycogen.

Learn more about Glucose here:

brainly.com/question/30548064

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Which of the following is NOT true of mechanical digestion? Muscular contraction in the stomach mix food The teeth and tongue break food into smaller pieces It starts in the mouth Enzymes break down food

Answers

Answer:

It starts in the mouth Enzymes break down food

Explanation:

Mechanical digestion is a type of digestion which is done by breaking of food materials into small pieces through physical means such as cutting and crushing by teeth and muscular contraction of stomach while the break down of food molecules by the action of enzyme such as saliva etc is chemical digestion. Chemical digestion helps in speeding up the process of digestion.

Answer:

D. Enzymes break down food.

Explanation:

Mechanical digestion is the physical breaking down of food that starts in the mouth by chewing. Enzymes would be part of the chemical digestion.

what would most likely happen to the entire ocean food web if plankton were not available? A. all organisms that live in the ocean would not survive B. the organisms would adapt and find another source of food C. only whales and other ocean mammals would be affected?

Answers

C. Only Whales and other ocean mammals would be affected. I think :)
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