What is lactic acid?

Answers

Answer 1
Answer: It's something your muscles produce during intense exercising and it give you a burning sensation
Answer 2
Answer: lactic acid is a colorless syrupy organic acid formed in sour milk and produced in the muscle tissues during strenuous exercise.

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How does phototropism benefit plants

Answers

Phototropism benefits plants by allowing them to grow towards a light source, maximizing their exposure to sunlight for photosynthesis.

Phototropism is light-induced plant growth. It helps plants adapt in several ways. First, phototropism helps plants maximise sunshine exposure, which is essential for photosynthesis. Plants can maximise light absorption and photosynthetic efficiency by bending or growing towards light.

Phototropism aids plant light competition. Plants compete for light in dense vegetation or woods. Plants can maximise sunlight and minimise shadowing from neighbouring plants by growing towards light.

Phototropism helps plants maximise light energy use, growth, and survival in their ecological niche.

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Phototropism is the activity of the plants where they become orientated towards the area where the sunlight is. This helps the plant get enough food and energy to carry out photosynthesis. 

All of the atoms and subatomic particles found in living things occur in nonliving things as well. True or False?

Answers

True 
Examples: 
Carbon - in pencil lead, diamonds, you 
Hydrogen - in the air, the sun, you 
Oxygen - in the air, water, you
True. Atoms and subatomic particles are common in both living and nonliving things. 

How is the function of an epithelium reflected in its arrangement

Answers

The function of epithelium is reflected in its arrangement by ; Fitting together in order to form sheets of cells ( intact sheets )

The function of an epithelium is to form a covering membrane and to act as a covering membrane the epithelium must be structured as sheets closely fitted to one another to carryout the function of a lining  

Therefore we can say that the function of epithelium is properly showcased in the arrangement of its structure where it's epithelial cells  are closely fitted to one another.

Hence we can conclude that The function of epithelium is reflected in its arrangement by ; Fitting together in order to form sheets of cells ( intact sheets )

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The function of an epithelium is reflected in its arrangement through the tight packing of cells in a single or multiple layers, which provides protection, selective permeability, and secretion/absorption capabilities, depending on the type of epithelium.

Epithelial tissues are closely packed layers of cells that form the lining of various body surfaces, including skin, mucous membranes, and the inner lining of organs. The arrangement of epithelial cells is directly correlated with their function. Simple squamous epithelium, consisting of a single layer of flat cells, facilitates diffusion and filtration in tissues like the lungs.

Stratified squamous epithelium, with multiple layers of flat cells, provides protection in areas such as the skin and the lining of the mouth. Cuboidal and columnar epithelia are involved in secretion and absorption, found in tissues like the kidney tubules and the digestive tract. The arrangement of epithelial cells ensures they can perform their specific functions efficiently, such as providing a barrier, facilitating exchange, or secreting essential substances.

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Which phrase best summarizes the theory of evolution by natural selection? A.
Only the strongest animals survive.
B.
Populations change over long periods of time.
C.
Life must come from other life.
D.
Parent organisms pass on traits they have acquired during their lifetime.

Answers

Answer: A.  Only the strongest animals survive.

The theory of natural selection - the survival of the fittest suggests differential survival and reproduction of the organisms. This means the organisms that have better phenotypic advantage over the others likely to survive and reproduce in the adverse environment. Such phenotypic traits will be passed from the parents to the offspring and will promote the evolution of the species.

On the basis of the above description, the only the strongest animals will survive is the correct option.

Answer:

:p

Explanation:

Get it?1. Explain the factors that
have contributed to an
increase in the survival rate
of the human population.
How have these factors
contributed to the
homeostasis of the
population within its
environment? Explain.

Answers

Answer:

I am answering just from my knowledge

The factors that have contributed to an increase in human population are two main e.g Increase in birth rate and decrease in death rate.

Increase in birth rate is due to more food production and food supply.Massive increase in agricultural productivity.More life expectancy etc.There is a decrease in death rate beacauseof eradication of diseases,better hygiene,cleanliness and development in medical facilities. Similarly, populations of organisms respond to external factors for a collective benefit. All populations must have an adequate amount of food, water, shelter, and space. ... Biotic factors like predation and competition for food are also limiting factors.the technologies used to achieve this transformation have caused unprecedented changes to Earth’s environment, altering ecosystems to the point where some may be in danger of collapse. The depletion of the ozone layer, erosion due to acid rain, and damage from global climate change are caused by human activities. The ultimate effect of these changes on our carrying capacity is unknown. As some point out, it is likely that the negative effects of increasing carrying capacity will outweigh the positive ones—the world’s carrying capacity for human beings might actually decrease.good luck

Final answer:

The increase in the human population's survival rate can be attributed to advances in medical technology, improved sanitation, and enhanced nutrition.

Explanation:

Several factors have significantly contributed to an increase in the survival rate of the human population and consequently to its homeostasis within its environment. Among these key influences include advances in medical technology, improved sanitation, and enhanced nutrition.

Medical technology advancements, such as vaccinations and antibiotics, have significantly reduced mortality rates, especially among infants and children. Coupled with an overall improvement in healthcare services, these interventions have extended life expectancy.

Improved sanitation has also played a significant role in increasing the survival rate. Access to clean water and waste disposal systems prevent the spread of disease, improving overall public health. Moreover, legislation and increased awareness of hygiene principles have made environments safer for human habitation.

Furthermore, an enhanced nutrition contributes to a healthier population, building immunity and strengthening the human body against illnesses. Expansion of food production technologies and improved transport infrastructure have ensured more balanced diets for a larger portion of the population.

These factors collectively contribute to the population homeostasis. A lower mortality rate coupled with a stable birth rate maintains a balanced population growth. Additionally, healthier individuals can interact more harmoniously with their environment, preserving resources more effectively for future generations.

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In dna which nucleotide does adenine bond with

Answers

The answer is thymine.

The base unit of DNA is called a nucleotide. The nucleotide consists of a nucleobase (adenine - A, thymine - T, cytosine - C, and guanine -G), a monosaccharide deoxyribose, and a phosphate group. Two nucleotides of the different strands are joined by hydrogen bonds. According to the base pairing rules, adenine pairs with thymine (A-T), and cytosine pairs with guanine (C-G).