what is a food chain ​

Answer: Osmosis is the spontaneous net movement of solvent molecules through a selectively permeable membrane into a region of higher solute concentration, in the direction that tends to equalize the solute concentrations on the two sides.

Explanation:

Answer:La molécula de agua está compuesta por dos átomos de hidrógeno y uno de oxígeno unidos por un enlace covalente. Es decir, los dos átomos de hidrógeno y el de oxígeno se unen compartiendo electrones

Explanation:

Answer: covalent bonds

Explanation: Polar covalent bond is a chemical bond in which the electrons required to form a bond is unequally shared between two atoms. The bonds between oxygen and the hydrogen atoms within the water molecule are polar covalent bonds which means that the electrons in the water molecules are not shared equally between oxygen and hydrogen.

Answer:

you learn to make more informed decisions about their own health and about significant biological issues such as genetically modified crops, the use of antibiotics, and the eradication of invasive species

If we study biology, we can understand how plants and organisms interact with each other, what are their traits, evolutionary ancestors, etc. Not to mention, it helps us be safe from dangerous animals, and allows us to understand how to prevent bacteria and viruses from entering our body.......

Answer:

paano nyo po ginawang dalawa po yung picture?

Explanation:

nakakonek ka po sa U.S.A dun po kayo sa Philippines po punta ka settings mo tapos pindutin mo yung change hanapin mo yung Philippines tapos pindutin mo,gumawa kana ng isang account mo,, Virtuoso na ako don,,,dadami followers mo,marami din sasagot sa question mo,marami din mamigay ng points

Answer:

false because water is what made the canyons a canyon, water,

so it is false

Explanation:

1. Gametes - A. sex cells

2. Gametogenesis - I. process by which gametes, or sex cells, are produced by an organism

3. Genetic recombination - G. exchange of genetic material between different organisms

4. Gonad - B. testes and ovary

5. Haploid - D. single set of unpaired chromosomes

6. Importance of meiosis - K. ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes by producing haploid gametes.

7. Oogonium - E. The immature female reproductive cells

8. Ovulation - C. the release of eggs from the ovary

9. Extra fingers - H. common physical characteristics of people with Patau syndrome

10. 47, XXY syndrome - J. an illness in the sex chromosome among males which is also identified as Klinefelter Syndrome

1. Gametes - A. sex cells: Gametes are specialized cells involved in sexual reproduction. They are either sperm cells (male gametes) or egg cells (female gametes). Gametes contain half the number of chromosomes compared to somatic cells and combine during fertilization to form a zygote with a complete set of chromosomes.

2. Gametogenesis - I. process by which gametes, or sex cells, are produced by an organism: Gametogenesis is the process through which gametes are formed. It involves the development and maturation of germ cells in the gonads (testes in males, ovaries in females) into functional gametes. In males, the process is called spermatogenesis, resulting in the production of sperm cells, while in females, it is called oogenesis, resulting in the production of egg cells.

3. Genetic recombination - G. exchange of genetic material between different organisms: Genetic recombination refers to the exchange of genetic material between homologous chromosomes during meiosis. It leads to the creation of new combinations of genes, promoting genetic diversity. This process occurs through crossing over, where segments of chromosomes swap places, and contributes to the uniqueness of offspring.

4. Gonad - B. testes and ovary: The gonads are reproductive organs responsible for producing gametes. In males, the gonads are the testes, which produce sperm cells. In females, the gonads are the ovaries, which produce egg cells. The gonads also secrete hormones involved in sexual development and reproduction.

5. Haploid - D. single set of unpaired chromosomes: Haploid refers to a cell or organism having a single set of unpaired chromosomes. Gametes are haploid cells, containing half the number of chromosomes found in somatic cells. During fertilization, haploid gametes combine to restore the diploid chromosome number in the resulting zygote.

6. Importance of meiosis - K. ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes by producing haploid gametes: Meiosis is vital for sexual reproduction as it ensures the correct number of chromosomes in offspring. By undergoing two rounds of division, meiosis produces haploid gametes with a single set of chromosomes. When fertilization occurs, the fusion of two haploid gametes forms a diploid zygote with the right chromosome number for the species. Meiosis also promotes genetic diversity through genetic recombination, contributing to evolutionary adaptation.

7. Oogonium - E. The immature female reproductive cells: Oogonium refers to the immature female reproductive cells found in the ovaries. These cells undergo mitotic divisions to produce primary oocytes, which later undergo oogenesis to form mature egg cells (ova).

8. Ovulation - C. the release of eggs from the ovary: Ovulation is the process in which a mature egg cell (ovum) is released from the ovary. In females, ovulation typically occurs once per menstrual cycle, and it is an essential step in fertility and reproduction.

9. Extra fingers - H. common physical characteristics of people with Patau syndrome: Extra fingers, or polydactyly, refers to the presence of more than the usual number of fingers or toes. However, in the given options, there is no direct correspondence to this term.

10. 47, XXY syndrome - J. an illness in the sex chromosome among males which is also identified as Klinefelter Syndrome: 47, XXY syndrome, also known as Klinefelter Syndrome, is a chromosomal disorder that affects males. It occurs when a male is born with an additional X chromosome (XXY) instead of the usual XY configuration. This syndrome may lead to various

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Explanation:

A round shape, No chlorophyll, A nucleus, Smaller vacuole.

Answer:

Cercopithecine Herpes virus-1 (B-virus)

Explanation:

Cercopithecine Herpes virus-1 (B-virus) pathogen poses the greatest risk to a researcher handling non-human primates if they are exposed and infected with the infectious agent.

pathogens are the biological agent that can cause a disease in another organism upon infecting and causes infectious diseases. ‘Pathogen’ is a or disease-causing organisms such as bacteria, viruses, fungi, protozoans and worms.

There are different types of pathogens such as Class 1 pathogen in which the species is not associated with infectious disease. Class 2 are the pathogen species cause disease in humans but not serious and the the preventive methods, treatments are available.

Class 3 pathogens include the species cause serious diseases in humans, but necessary prophylaxis and treatment are available; Class 4 pathogens include the species cause serious human disease and disseminate in the human population with  no adequate prophylaxis or therapy exists.

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Answer:

Two cells will have 24 chromosomes, and two cells will have 22 chromosomes.

Explanation:

The answer is liver....

Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver.

The liver is a very important organ of human body and the weight of liver is 1.5 kg and width of liver is 15 cm. The colour of liver has been reddish - brown. Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver. The main functions of liver are it carries out the function of protein's metabolism and it excretes bile and it is also responsible for excreting cholesterol, hormones, bilirubin and drugs.

The liver also stores vitamins, glycogen, and minerals so it the center of storage also. As liver is a very important organ so to maintain it's health a person have to maintain a healthy weight, take a balanced diet, regular exercise, avoiding toxins, and  less use of alcohol leads to keep the liver safe and healthy.

Therefore, Urea, a waste product of cells, diffuses out of cells and into the blood for excretion by the liver.

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The question, which is what the researcher wants to know, could be the following: What is the effect of the change in available food sources on the birds' feeding habits?

There are different steps to follow in a scientific method

In the exposed example, the experiment involves watching the birds feed, and then removing fruit to simulate an environmental change.

The independent variable here is the food source availability.

The dependent variable is the birds' response to the change.

The question, which is what the researcher wants to know, could be as follows,

What is the effect of the change in available food sources on the birds' feeding habits?

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Answer:

The brain gets better with practice, so routine actions like walking become second nature. That is why your first time on the monkey bars is harder than your 100th time.

So how does the brain judge distance? The key for animals — like monkeys and humans — is in our eyes.

Where these different views overlap is how the brain is able to calculate the difference in distance and to judge depth.

This happens because the closer an item is to you, the greater the relative difference between the eyes will be compared with the object. The farther away an item is, the smaller the relative distance between the eyes will be. Our brain is great at remembering patterns, and it remembers the differences that each eye is seeing and correlates it with a distance. It can also find the distance by calculating the “convergence,” or how crossed your eyes become while looking at something. The more crossed your eyes become when looking at an object, the closer the object.

Consumers are the name for these organisms. The two types of consumers are omnivores and carnivores, respectively (animals that eat both plants and animals).

The definition of an organism is a living thing. Molecules make up the majority of both living and non-living entities. On the other hand, a living creature can be distinguished from an inert solid support by its defining traits.

Any living thing with a cellular arrangement and the capacity to carry out each of the physiologic processes required for survival is considered an organism. All of the body's cells, tissues, organs, or organ systems work in concert to preserve the organism's life and health in multicellular creatures, including humans.

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Answer:

B. Membrane-enclosed organelles

Explanation:

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.

A tetrahedral die is an equilateral triangular pyramid with the base edge of the tetrahedral die is 26 millimeters and the height is 20 millimeters has the surface area of the tetrahedral die is approximately 1350 square millimeters to the nearest ten square millimeters.

A tetrahedral die is an equilateral triangular pyramid. The base edge of the tetrahedral die is 26 millimeters and the height is 20 millimeters. What is the surface area of the tetrahedral die to the nearest ten square millimeters?Surface area of tetrahedral dieTo find the surface area of the tetrahedral die, we need to first calculate the area of the triangular faces and then add them up.

The surface area of a tetrahedral die can be calculated as follows:Surface area of a tetrahedral die = Sum of the areas of all its triangular faces.Area of an equilateral triangle. A tetrahedral die is an equilateral triangular pyramid. An equilateral triangle is a triangle where all its sides and angles are equal. The area of an equilateral triangle is given by the formula:Area of an equilateral triangle = (√3/4) * a² where a is the length of each side of the equilateral triangle. Substituting a = 26mm,Area of the equilateral triangle = (√3/4) * 26²= 338 mm².

The tetrahedral die has four equilateral triangular faces. So, its surface area can be calculated by adding the area of each triangular face. Therefore,Surface area of the tetrahedral die = 4 × area of the equilateral triangle= 4 × 338= 1352 mm²= 1.4 × 10³ mm²Therefore, the surface area of the tetrahedral die is approximately 1350 square millimeters to the nearest ten square millimeters.

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The effect of shortage of the following factors on the rate of photosynthesis is given below:

Photosynthesis is the process by which plants produce food from carbon dioxide and water using the energy of sunlight.

The rate of photosynthesis is affected by the following:

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Commonly the place where a population lives is described was a habitat, forming a biological community, however there is not an option with that term, but between the present terms the one that is closer to a term for the area where a population lives is D. Geographic Distribution, since all the other alternatives are related to different factors of ecological studies.

Answer:

The structure of a fern. Ferns have 3 major parts – the rhizome, the fronds and the reproductive structures called sporangia. ... An erect rhizome, which is a solid mass that gives rise to a tuft of fronds. You can see this type of rhizome on a king fern or a crown fern.

Explanation:

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Answer: Heterotrophs

Explanation: Heterotrophs, also known as other-feeders, can't capture light or chemical energy to make their own food out of carbon dioxide. Humans are heterotrophs. Instead, heterotrophs get organic molecules by eating other organisms or their byproducts. Animals, fungi, and many bacteria are heterotrophs.

Answer:

Heterotrophs

Explanation:

Heterotrophs, also known as other-feeders, can't capture light or chemical energy to make their own food out of carbon dioxide. Humans are heterotrophs. Instead, heterotrophs get organic molecules by eating other organisms or their byproducts. Animals, fungi, and many bacteria are heterotrophs.

Autotrophs such as plants do that

Fingers are made from diploid cells. All of the cells in our body are made from diploid cells except in the reproductive cells which are made from haploid cells.

Second one.

"Unlike the water in lakes and ponds, the water in rivers and streams flows."

The statements that are given are:

- Initially most weight loss from a low carbohydrate diet can be attributed to fat loss: True
- Enzymes are protein molecules that are needed to break down macronutrients: True


Initially most weight loss from a low carbohydrate diet can be attributed to fat loss: True

Initially, most weight loss from a low carbohydrate diet can be attributed to fat loss. This is because, in the absence of carbohydrates, the body shifts to using fat for energy. Fat is the body's main fuel source, so the more you burn, the more weight you lose.

Enzymes are protein molecules that are needed to break down macronutrients: True

Enzymes are protein molecules that are needed to break down macronutrients. Each enzyme is specific to a particular macronutrient. For example, amylase breaks down carbohydrates, protease breaks down protein, and lipase breaks down fat. Without enzymes, macronutrients would not be absorbed and utilized by the body.

Therefore, both statements are true.

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Mutations within the DNA sequence of an organism can result in alterations that are harmful to an organism, resulting in alterations that do not affect the organism. Therefore option c is correct.

Mutations within the DNA sequence of an organism can result in a range of outcomes.

Some mutations can be harmful, leading to changes in protein structure or function that negatively impact the organism's survival or reproductive success.

Other mutations may have no significant effect on the organism, particularly if they occur in non-coding regions or are "silent" mutations that do not change the amino acid sequence.

Additionally, mutations can be beneficial, providing advantageous traits that enhance the organism's adaptation to its environment or improve its reproductive fitness.

The variability in mutation outcomes is a fundamental driver of genetic diversity and evolution in populations.

Therefore option C all of the above is correct.

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Answer:

The new DNA molecule is identical to the original DNA.

Explanation:

Answer:

The process of alleles, even if both are bb there is a very very low chance of it being Bb, but completely impossible of being BB.

Explanation:

The allele table is not 100% correct all the time. just most.