Answer:
In fact, the average male will produce roughly 525 billion sperm cells over a lifetime and shed at least one billion of them per month. A healthy adult male can release between 40 million and 1.2 billion sperm cells in a single ejaculation.
How does ice carve large valleys out of mountain rock?
Answer:
Glaciers erode the underlying rock by abrasion and plucking.
Explanation:
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You are a sports dietitian working with athletes at a local high school. An athlete comes to you and asks about dietary supplements to increase their vitamin intake. What would be your primary message regarding vitamin supplements for athletes?
a. It is unlikely your vitamin needs are significantly increased above the Dietary Reference Intakes (DRI) and a vitamin supplement may not be necessary, but a dietary assessment may reveal vitamin deficiencies.
b. You should consume vitamin supplements to reach the tolerable upper intake level for each vitamin.
c. It is necessary to consume vitamin supplements as an athlete.
d. All athletes have vitamin deficiencies and should consume vitamin supplements on a regular basis.
It is unlikely your vitamin needs are significantly increased above the Dietary Reference Intakes (DRI) and a vitamin supplement may not be necessary, but a dietary assessment may reveal vitamin deficiencies is the best message for the athlete.
What is Dietary Reference Intakes?This is defined as a set of reference values used to plan and assess nutrient intakes of healthy people.
Vitamin needs in the body aren't increased above the reference intakes and so intake of supplement isn't a necessity.
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PLS HELP!!!!! after you eat a meal, the food gets broken down into its component parts through digestion. Order the words to describe the path that food takes as it moves along the digestive system. Place the first step at the top and the last step at the bottom.
saliva
chewing
small intestine
stomach
peristalsis
Answer:
chewing
saliva
peristalsis
stomach
small intestine
Explanation:
first, you chew the food. At that time the food gets mixed with your saliva then after u swallow it, it goes to your stomach through peristaltic movement then into ur small intestine.
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Please help I need it badly
Answer:
A. DNA
Explanation:
Animal call systems Group of answer choices express information about things that are not currently in their present environment. fail to communicate in response to real-world stimuli. do not combine calls to make new call meanings. are highly irregular among primates.
Animal call systems do not combine calls to make new call meanings. These systems are limited.
What are animal call systems?Animal call systems can be defined as organic systems that exhibit limitations in the manner in which they communicate.
Animal call systems are able to communicate when an environmental response (i.e., environmental stimuli) is present.
Different sounds in a given animal call system may represent different types of meanings.
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Fossil fuels, such as gas, oil, and coal have ____ energy.
Answer:
A. chemical energy
Explanation:
Batteries, biomass, petroleum, natural gas, and coal are examples of chemical energy.
Which of the following directly causes deforestation?
A. Wind
B. Biomass
C. Nuclear fission
D. solar
Answer:
The answer is C. Wind levels usually remain static in a specific location, so any existing life is not affected much. Biomass contributes to growth as it enriches the soil. Solar (assuming it's referring to the widespread increase in the use of solar energy) could actually be indirectly beneficial to forests. Nuclear fission, however, can cause harm to plants. Some known effects on plant life include stunted growth, reduced germination, and genetic mutations in addition to the direct burning that could be inflicted on plants in some cases.
What is the route of blood flow in a closed system?.
Answer:
In a closed circulatory system, blood is contained inside blood vessels and circulates unidirectionally from the heart around the systemic circulatory route, then returns to the heart again, as illustrated in Figure 21.2a.
Explanation:
hello humans ~
what's kreb cycle? explain in brief
Answer:
Kreb cycle is the sequence of reactions by which most living cells generate energy during the process of aerobic respiration. It takes place in the mitochondria, using up oxygen and producing carbon dioxide and water as waste products, and ADP is converted to energy-rich ATP.
Explanation:
Definition:
A cycle of reactions catalyzed by enzymes in which the pyruvate derived from nutrients and converted to Acetyl Coenzyme A is completely oxidized and broken down into carbon dioxide and water to produce high-energy phosphate compounds, which are the source of cellular energy.
In eukaryotes, the Krebs cycle reactions take place in the mitochondrial matrix, a dense solution that surrounds the mitochondria crests: in addition to water, the matrix contains all the enzymes necessary for the biochemical reactions of the cycle, coenzymes, and phosphates.
Equation:
The overall reaction for the citric acid cycle is as follows: acetyl-CoA + 3 NAD+ + FAD + GDP + P + 2H2O = CoA-SH + 3NADH + FADH2 + 3H+ + GTP + 2CO2.
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The story of the evolution of early birds winds through the chapter as an example of the dynamic nature of science. Why is it likely the dinosaur-bird evolutionary tree will be modified again?
Choose one:
A. The fossil record is incomplete, so the relationship between birds and dinosaurs will never be resolved, leaving the evolutionary tree to always be questioned.
B. The process of science is one of continual discovery, and new information is likely to be discovered that could change our current understanding.
C. Because dinosaurs are extinct, the dinosaur-bird evolutionary tree can never be resolved.
D. Because of the rapid advancements in technology, DNA analyses will ultimately prove that birds did not descend from dinosaurs.
Answer: B the process of science is one….
Explanation:
The process of science is one of continual discovery, and new information is likely to be discovered that could change our current understanding. Option B is correct.
The process of scientific inquiry is characterized by its dynamic and evolving nature. This applies to fields such as paleontology and evolutionary biology, including the study of the evolution of early birds and their relationship to dinosaurs.
The fossil record is incomplete, and while it provides valuable insights into the history of life on Earth, it does not capture every species that ever existed. As new fossils are discovered and technologies improve, our understanding of the relationships between different species, including the evolution of early birds from dinosaurs, can change.
Advancements in technology have allowed scientists to gather more detailed information from fossils, perform more precise analyses, and even extract DNA from ancient remains. These technological innovations can lead to new discoveries and a better understanding of the evolutionary relationships among different organisms.
Additionally, the scientific community encourages skepticism and critical evaluation of existing theories. New evidence, whether from fossils, genetic studies, or other sources, can prompt researchers to reevaluate and modify their understanding of the dinosaur-bird evolutionary tree.
In conclusion, the dynamic nature of science, the ongoing discovery of new evidence, and the advancement of technology all contribute to the likelihood that the dinosaur-bird evolutionary tree will continue to be refined and modified as our understanding of the past evolves. This is a fundamental characteristic of the scientific process, which seeks to refine and improve our knowledge over time.
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Describe the treatment measures for Type 1 and Type II Diabetes.
please answer this, will give brainlest.
Answer:
Type 1 diabetes treatment consists of the following steps: taking insulin. Counting carbs, fats, and proteins Blood sugar levels should be checked on a regular basis.
Type 2 diabetes cannot be cured, but it can be controlled with weight loss, a healthy diet, and regular exercise. If diet and exercise are insufficient to control your blood sugar, you may require diabetes medication or insulin therapy.
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How does the skin regulate body temperature?
A. by increasing sweat production
B. by retaining water
C. by producing vitamin D
D. by regulating fat content in the epidermis
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# Skin regulates the body temperature by increasing " sweat production "