What is the function of root hair cell?

Plants that can best resist a variety of environmental challenges are most likely to be adapted or well-suited to the environment in which they grow.

It's crucial to remember that different plant species' capacity to withstand environmental difficulties might vary and is impacted by their ecological niche, genetic diversity, and evolutionary history. Additionally, certain plants might combine these characteristics to increase their resistance to a variety of environmental stresses.

High adaptability and plasticity plants are able to modify their growth and development in response to shifting environmental conditions. Because of their adaptability, they can deal with a variety of difficulties, such as variations in temperature, moisture, the availability of nutrients, or lighting conditions.

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Answer:

chromosomes are separate, continuous entities within the nucleus of a cell.

Explanation:

Answer:

Theodor Heinrich Boveri (12 October 1862 – 15 October 1915) was a German zoologist, comparative anatomist and co-founder of modern cytology. He was notable for the first hypothesis regarding cellular processes that cause cancer, and for describing chromatin diminution in nematodes.

The percentage of white moths in the natural population in 1962, assuming the population was in Hardy-Weinberg equilibrium (HWE) for the G locus, is 20% (option D).

In Hardy-Weinberg equilibrium, the allele frequencies remain constant from generation to generation if certain conditions are met. For a single locus with two alleles, such as the G locus in this case, the equilibrium frequencies are p^2 for the homozygous dominant genotype (G/G), 2pq for the heterozygous genotype (G/g), and q^2 for the homozygous recessive genotype (g/g), where p and q are the frequencies of the two alleles.

If we assume that the white allele (g) is recessive and the brown allele (G) is dominant, and the percentage of white moths in 1962 is represented by q^2, then the value of q^2 is 20% or 0.20. Taking the square root of 0.20 gives us the frequency of the white allele (q), which is approximately 0.447. Since q represents the frequency of the recessive allele, the percentage of moths in the population that are white is approximately 44.7%, which is closest to option D (20%).

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Answer:

Fossil C

Explanation:

Lowest under ground, more time passed.

Answer:

For Desssert: C

For Taiga: A

For Tropical Rainforest: B

Explanation: Because desserts are very hot, we know that there aren't much plants due to the lack of rain/water, they're dry. Rainforests have lots of plants, so it's not B, and since the dessert is high temperature, A is obviously off the list.

Taiga is cold so it won't be good for soil and the plants won't grow as good as the wet rainforest so we can pick A. Then B for #2

A condensed form of DNA that occurs when the cell is dividing, option (a) is correct.

Chromosomes are condensed structures of DNA that occur when the cell is dividing. During cell division, DNA molecules undergo a process of condensation and coiling, resulting in the formation of visible chromosomes. These structures contain genetic information in the form of genes. Chromosomes ensure that genetic material is evenly distributed to daughter cells during cell division.

They consist of a central region called the centromere, which plays a role in the separation of chromosomes during cell division, and two arms known as chromatids. Each chromatid contains a copy of the DNA molecule. Chromosomes are temporary structures that revert back to an uncondensed form of DNA called chromatin during interphase, the non-dividing phase of the cell cycle, option (a) is correct.

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Approximately 0.004032 kilograms of helium are produced in the Sun every Y seconds through the fusion of hydrogen nuclei

To calculate the amount of hydrogen converted into energy in the Sun every Y seconds, we need to consider the mass-energy equivalence given by Einstein's famous equation, E = mc^2.

[a] The Sun converts hydrogen into energy through the process of nuclear fusion. In this process, four hydrogen nuclei combine to form one helium nucleus, releasing energy in the process. The mass of four hydrogen nuclei is approximately 4.032 grams (or 0.004032 kilograms), and the energy released per fusion reaction is about 26.2 million electron volts (MeV) or 4.184 x 10^-12 joules.

To find the amount of hydrogen converted into energy, we can use the equation:

Energy = Mass x (Speed of Light)^2

Mass = Energy / (Speed of Light)^2

Mass = (4.184 x 10^-12 joules) / (299,792,458 m/s)^2

Mass ≈ 4.653 x 10^-29 kilograms

Therefore, approximately 4.653 x 10^-29 kilograms of hydrogen are converted into energy in the Sun every Y seconds.

[b] In the same period of time, the process of nuclear fusion in the Sun also produces helium. Since four hydrogen nuclei combine to form one helium nucleus, the mass of helium produced is equivalent to the mass of four hydrogen nuclei, which is approximately 0.004032 kilograms.

Therefore, approximately 0.004032 kilograms of helium are produced in the Sun every Y seconds through the fusion of hydrogen nuclei.

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With constant research about the virus, certain medical practices on how the virus was handled is still being studied. For example, the use of ventilators on Covid 19 patients and its effectiveness. Our knowledge is continuously evolving. We also understand better those who are more at risk of the virus and how we can better protect ourselves.

some of the knowledge the society has gained from COVID 19 are;

Older adults, particularly those over 65 are at a higher risk of severe disease and death due to COVID-19

People with underlying health conditions, such as heart disease, diabetes, chronic respiratory diseases, obesity, and immunosuppressive conditions, also have a higher risk of contacting the disease and death.

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Answer:

When sulfur dioxide combines with water and air, it forms sulfuric acid, which is the main component of acid rain. Acid rain can: cause deforestation. acidify waterways to the detriment of aquatic life

Explanation:

Answer:

deforestation

Explanation:

When sulfur dioxide combines with water and air, it forms sulfuric acid, which is the main component of acid rain. Acid rain can: cause deforestation. acidify waterways to the detriment of aquatic life.

Answer:

hey friend..... here is your answer....

the shape of DNA is double helix

Answer:

Correct question is:

Frogs and toads belong to the order Anura. The smallest organism in this order is about 7 millimeters long, while the largest member is about 30

centimeters long. Which of these lists best describes this order?

a. Order Anura:  338 families, 28 genera, 4360 species

b. Order Anura:  28 families, 338 genera, 4360 species

c. Order Anura:  338 families, 4360 genera, 28 species

d. Order Anura:  28 families, 4360 genera, 338 species

Answer:

b. Order Anura:  28 families, 338 genera, 4360 species

The families are biggest part followed by genera and then each genera has multiple species, this is described by nomenclature of biological species. Therefore option B is correct as the numbers are also increasing because families will be fewer than genera and genera will be fewer than species.

Answer:

D, or the last one stating that energy is not involved.

Explanation:

You can look it up to check, but D is the right answer.

Answer:

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The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. It is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food

Answer:

body *fat*

Explanation:

I know this is very late but hopefully this'll help someone else. If you're using PLATO this should be the answer as in the assignments this is the word used in the text.

Answer:

#HEY MATE HERE IS YOUR ANSWER#

Explanation:

Both seals and sea lions, together with the walrus, are pinnipeds, which means "fin footed" in Latin.

But seals' furry, generally stubby front feet — thinly webbed flippers, actually, with a claw on each small toe — seem petite in comparison to the mostly skin-covered, elongated fore flippers that sea lions possess.

Secondly, sea lions have small flaps for outer ears. The "earless" or "true" seals lack external ears altogether. You have to get very close to see the tiny holes on the sides of a seal’s sleek head.

Third, sea lions are noisy. Seals are quieter, vocalizing via soft grunts.

Fourth, while both species spend time both in and out of the water, seals are better adapted to live in the water than on land. Though their bodies can appear chubby, seals are generally smaller and more aquadynamic than sea lions. At the same time, their hind flippers angle backward and don't rotate. This makes them fast in the water but basic belly crawlers on terra firma.

Sea lions, on the other hand, are able to "walk" on land by rotating their hind flippers forward and underneath their big bodies. This is why they are more likely to be employed in aquaria and marine shows.

Finally, seals are less social than their sea-lion cousins. They spend more time in the water than sea lions do and often lead solitary lives in the wild, coming ashore together only once a year to meet and mate.

Sea lions congregate in gregarious groups called herds or rafts that can reach upwards of 1,500 individuals. It's common for scores of them to haul out together and loll about in the sand, comprising an amorphous pile in the noonday sun.

Answer:

what is the name of this website

or the book?

Answer:

Pancreas

Explanation:

The Pancreas produces enzymes that aid the digestion of fats, carbohydrates, and proteins.

Answer:

The answer is Pancreas

Explanation:

It is the banana shaped organ, hope this helps!

Answer:

They are supplied with blood

Explanation:

Hope this helps

Answer:

B. Blood

Explanation:

Answer:  Chemical sedimentary rocks form by precipitation of minerals via water. Precipitation is when dissolved components come out from water. Take a glass of water, for example, and add some salt in it. In the water, salt dissolves.

Explanation:

Answer:

Water and carbon (IV) oxide

the west coast

Explanation:

yeah it mostly likely that

Answer:

money

Explanation:

Answer:

- serotonin

- cultural pressure

- autism

Answer:

Small vessels that carry blood away from the heart to the capillaries are Arterioles. Muscular-walled vessels that carry blood away from the heart are Arteries. One-cell-thick microscopic vessels that function to exchange nutrients and wastes are Capillaries. Small vessels that connect to the capillaries that carry blood back to the heart are Venules. Vessels that carry blood back to the heart are Veins.

Explanation:

We have different types of vessels in our bodies. We can divide them by their size and structure. Starting from the ones that carry blood away from the heath, we have the arteries. Arteries are vessels of big diameter that have muscle around them. Then, the arteries branch into arterioles, which have a smaller diameter. The arterioles branch into capillaries. These are small vessels with thin walls that allow the exchange of nutrients, wastes, and gases with the neighboring tissues. Once that the blood flows through the capillaries, it goes to the venules, which are small veins that will carry the blood to the veins and these to the heart. The veins do not have muscles in their structures, and their walls are thinner than the ones in the arteries.

a single dorsal fin, a small fin on the back near the tail, and barbs near the mouth.

Answer:

d

Explanation:

a single dorsal fin, a small fin on the back near the tail, and barbs near the mouth.

Answer:

The other two, the generative nuclei, can be thought of as non motile sperm cells. After reaching an ovule and breaking out of the pollen tube tip, one generative nucleus unites with the egg cell to form a diploid zygote.

Explanation:

This means that;

The fertilized egg with two complete sets of chromosomes, one from each parent. The zygote undergoes a limited number of divisions and gives rise to an embryo.

Selective reabsorption is the method through which components from the filtrate are transferred back into circulation. The correct answer is (B).

In the renal tubules of the kidneys, selective reabsorption takes place when urine is formed. The first stage of filtering takes place in the renal corpuscle, where blood is filtered into the renal tubules through the glomerular filtration barrier. As a consequence, a filtrate made up of water, ions, nutrients, and waste products is created.

Not every component in the filtrate, though, is a waste product that must be removed from the body. In order to sustain homeostasis, certain molecules, including glucose, amino acids, vitamins, and certain ions, must be reabsorbed into the circulation. Active or passive transport of these beneficial compounds from the filtrate in the renal tubules back into the peritubular capillaries surrounding the tubules is involved in selective reabsorption. This procedure aids in preserving vital chemicals and preventing the loss of urine.

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Answer:

they can learn if Bees are able to calculate distance and direction or if they simply stick to what they know.

Explanation:

From this experiment they can learn if Bees are able to calculate distance and direction or if they simply stick to what they know. Since they have been accustomed to feeding from the feeder that is south they may continue to do so, but since it is not the farthest from the hive and there are other feeders located closer they may chose the new feeder. If they do decide to change feeder, then it tells the researchers that the Bees are able to calculate the distance and know that the new feeders are closer, while which feeder they choose might give them information on how bees determine direction.

The first vertebrates to invade land were amphibians.

Amphibians, such as frogs, toads, and salamanders, were the first group of vertebrates to make the transition from aquatic to terrestrial environments.

This transition is believed to have occurred around 360 million years ago during the Devonian period. Amphibians possess certain adaptations that allowed them to survive and thrive on land, although they still require access to water for reproduction.

The evolution of key features facilitated the successful colonization of land by amphibians.

These features include limbs with digits for locomotion, lungs for breathing air, and a waterproof skin to prevent dehydration. Amphibians also underwent changes in their reproductive strategies to adapt to a more terrestrial lifestyle.

For example, they developed the ability to lay eggs on land or produce waterproof eggs that could be laid in moist environments.

The invasion of land by amphibians was a crucial event in the history of vertebrate evolution. It paved the way for the subsequent colonization of terrestrial habitats by reptiles, birds, and mammals, ultimately leading to the diverse array of terrestrial vertebrate life we see today.

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