what is the biology?

The biological sciences and astronomical sciences both have their own challenges when it comes to the research. However, these challenges faced during the research differs in both these field of sciences as the method used for any research vary far too much.

In biological science researches, the researchers have the ability to control the environment and other parameters around their subject and be in touch with the concerned researched subject. However, things are not so easy in astronomical sciences, as the researcher is not able to control the parameters like temperature, and humidity when conducting an experiment and making observations.

Moreover, the observations cannot be made at the researcher's will in astronomy as he cannot taste or smell his subjects, but in biology such intimate observations are possible.

Answer:

A) A biologist uses microscopes; an astronomer uses telescopes.

B) A biologist researches living organisms; an astronomer does not.

D) A biologist explores things on Earth; an astronomer explores celestial bodies like stars and planets.

Explanation:

It's right on edge

The expected phenotypic ratio of the offspring would be

75% rose comb

AND

25% single comb

In this offspring, both rose comb and single comb can be expected.

Creating a punnet square will show this with Rr (Heterozygous) being on top and rr (homozygous) being on the left side. When put into the punnet square, it shows a 50/50 chance for both results with two homozygous chances of rr and two heterozygous chances of Rr.

Therefore, the phenotypic ratio of the offspring would be 2:2 or 50/50 as both have an equal chance.

Hope this helps!

I believe the best answer would be B. Moderate rainfall and no extreme temperatures. I hope this helps. :)

Answer: b. moderate rainfall and no extreme temperatures

Explanation:

Both rainfall and temperature plays an important role in the fertility of the soil. The excess rainfall can cause leaching, soil erosion which will lower the mineral content of the soil. The low rainfall will limit the moisture content of the soil. The high temperature will cause dehydration or limitation of the soil moisture necessary for plant growth. Also the low temperature will cause the frosting of soil water this will effect the soil fertility.

On the basis of above description moderate rainfall and moderate temperature will be suitable as it will help in retaining the soil moisture and minerals.    

Solar radiation is light energy from the Sun. So you've got the Sun. Millions of kilometers away from the Earth it sits there with all sorts of nuclear reactions going on. It's constantly giving off a huge amount of energy and radiation.

The Sun's heat reaches Earth via radiation, which allows energy to travel through space as electromagnetic waves over the 150 million kilometer distance. The Sun generates this energy near its core at a temperature of about 15 million Kelvin through nuclear processes. This radiation can cause sunburns, showing the intensity of the Sun's energy output.

The heat from the Sun reaches Earth through a process known as radiation, which is the transfer of energy through space without the need for a physical medium. This is possible because the Sun emits a tremendous amount of energy, primarily in the form of electromagnetic waves, which can travel through the vacuum of space. The distance of approximately 150 million kilometers (93 million miles) does not inhibit the transfer of the Sun's energy to Earth. In fact, the energy distributed by the Sun is generated within about 150,000 kilometers of its core, where the temperature reaches about 15 million Kelvin, allowing for the production of vast amounts of energy through nuclear processes.

Once emitted from the Sun, the energy travels across space and reaches Earth, warming the planet and providing light. Despite the vast distances, the Sun's radiation is powerful enough to cause effects such as sunburns, highlighting just how much energy it emits. This entire process explains why we can feel the Sun's warmth and experience daylight on Earth despite the Sun being millions of kilometers away.

Answer:

cancer whooping I don't think its chickenpox tho

Explanation:

oit said that the vac for smallpox which is (chickenpox I think) is no longer used so int think its chickenpox

Usually cell growth in normal cells are controlled by genes that promotes cell proliferation and also inhibiting them. If a damage occurs in normal cell,the damage is either rectified or apoptosis is initiated. When these genes that control cell proliferation or apoptosis acquires mutations they lose their ability to control their cell division process thereby acquiring uncontrolled cell growth.

The uncontrolled growth in cancer is due to accumulated abnormalities.

It should be noted that the uncontrolled growth of abnormal cells that are in the body results in cancer. In this case, when the normal control mechanism in the body of a person stops working, then cancer will develop.

Therefore, the old cells will not due but rather, they'll grow out of control and result in abnormal cells. They will k then form a mass of tissue that's referred to as a tumor.

Read related link on:

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(See figure below, where meiosis I begins with a diploid (2n = 4) cell and ends with two haploid (n = 2) cells.) In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).

23 pairs

the other gut got it from google...

I can help you if you show the word bank

The right option is; A. photosphere  

The photosphere is the layer of the Sun that emits the visible light we see. The photosphere is the lowest layer of the Sun's atmosphere and it is the layer where most of the sun's energy is released as light which reaches the earth directly within about eight minutes. The photosphere is about 500km thick with the temperature that range from 4,100 °C (at the upper area) to 9,700 °C (at the lower area).

The layer of the Sun that emits the visible light we see and can be considered the lowermost part of the Sun's atmosphere is the photosphere. Therefore option A is correct.

The photosphere is the visible surface of the Sun and has a thickness of about 300 kilometers. It is the layer where most of the Sun's energy is radiated as visible light.

The photosphere is composed of hot plasma and appears as a bright, yellowish disk when observed from Earth. This is the layer from which sunlight is emitted and where various features such as sunspots, granules, and solar faculae can be observed.

It is also the layer where the temperature starts to decrease as we move away from the core of the Sun.

Know more about the photosphere:

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I think the answer is A) their leaves

Answer:

B

Explanation:

The answer is become cancer cells. 

Mitosis is the process of cell reproduction. A cell cannot live forever so they either divide on two new cells through mitosis or die. If something happens to the control of mitosis, the healthy cells will divide uncontrollably and these new cells, cancer cells, will also be out of control. These cancer cells will not die, but they will continue dividing and will form tumors at one moment.

Error-free mitosis is crucial to maintain genetic stability; errors can lead to mutations, cell death, or diseases like cancer.

Mitosis is a fundamental process in cell division, responsible for producing two genetically identical daughter cells from a single parent cell. Ensuring that this process is error-free is critical for several reasons:

Genetic Stability: Error-free mitosis preserves the genetic integrity of daughter cells. Any mistakes in chromosome segregation can lead to genetic mutations.

Cell Function: Healthy cells rely on accurate mitosis for normal growth, repair, and tissue maintenance. Errors can disrupt these essential functions.

Cell Viability: Severe errors in mitosis can lead to cell death. This can have negative consequences for tissues and organs, impacting overall health.

Cancer: Mitotic errors, especially those that result in aneuploidy (abnormal chromosome numbers), are linked to the development of cancer.

Developmental Issues: In multicellular organisms, errors in mitosis during early development can lead to birth defects.

To learn more about Error-free mitosis here

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The complete question is:

Why is it crucial for the process of mitosis to be error-free, and what can happen to otherwise healthy cells if errors occur during mitosis?

The answer is: B. I, III, and IV only

Explanation:

Pollution effects the earth in many way's, but some are the few are:

- Gobal warming: Where the earth's overall temperature is hotter then average.

- Acid rain: When pollution that's in the air mixes with precipitation.

- Ozone depletion: Where the Ozone is being worn down.

Those are some of the effect's of Pollution.

Which that being said, the answer would be B) I, III, IV.

I hope this helps! :)

-LizzyIsTheQueen

Pollution contributes to global warming, acid rain, and ozone depletion, but it does not cause an increase in human population size. Hence, the correct answer to the question is option B, which includes I, III, and IV.

The question asks about the effects of pollution and includes options such as global warming, an increase in human population size, acid rain, and ozone depletion. Pollution undoubtedly contributes to global warming by increasing the concentration of greenhouse gases in the atmosphere. Acid rain is also an effect of pollution caused by the emission of sulfur and nitrogen compounds into the atmosphere. Ozone depletion, mainly caused by chlorofluorocarbons (CFCs), is another outcome of pollution. Nevertheless, an increase in human population size is not an effect of pollution. Therefore, the right answer should be option B. I, III, and IV only, which includes global warming, acid rain, and ozone depletion.

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The organism would not have to find a partner in order to reproduce.

1. Asexual reproduction does not have genetic diversity. With sexual reproduction, this has been a man advantage since mixing a gene pool can produce diversity.

2. There is less variation produced with the offspring. The organism becomes less adapted to certain environmental changes. The entire communities of the genetically identical organisms might not survive such changes.

3. Asexual reproduction usually leads to struggle for existence as well as overcrowding.

The main distinction of asexual reproduction from sexual reproduction is that there is no need for two parents as well as special cells to reproduce. It means that special mechanisms have been essential to combine sex cells and allow fertilization are no longer required. This form of reproduction process has been simply mitosis. This results to copying of a parent organism. Most of the time, plants are thought to undergo reproduction. However, you have to know that there are also several kinds of animals that can reproduce asexually. By simply learning about the advantages and disadvantages of asexual reproduction, it will be easier for you to take care of other organisms around you.

The correct answer is Eutrophication.

When a body of water become enriched with nutrients and minerals and induces growth of algae and plants is referred to as eutrophication.

The process of eutrophication can result to water body depletion.

When there is increase in nutrient levels there is increase in phytoplankton in the water body.

Discharge of nitrates which contain sewage, fertilizer, and detergents in aquatic system may induce the eutrophication.

Hello!

The one change that is made by a scientist is the independent variable while the dependent stays the same. They change the independent variable to see the results of what would happen if they moved their experiment somewhere else or etc.

Hope this helps! ~Pooch ♥

rose thorns are multicellular

i hope this helps! :)

The correct answer is: C. a procedure that uses grapes left overnight in a high concentration of salt water

Osmosis is the passive process (no energy required) of solvent molecules movement through a selectively permeable membrane. The process is passive because the solvent (water) moves from the region of low solute concentration into a region of high solute concentration. This happens in order to equalize the solute concentrations on the two sides.  

In the case of grapes, water will move from the grapes into the high salt surrounding water.

The procedure using grapes left in salt water demonstrates cellular osmosis by showing water migration out of the cells due to the hypertonic environment, resulting in decreased turgor pressure and grape size.

The procedure that would best demonstrate cellular osmosis is the one that involves grapes left overnight in a high concentration of salt water. When grapes, which are cells surrounded by semipermeable membranes, are placed in a hypertonic solution such as salt water, the water inside the grape cells will move out to the salt solution. This is due to osmosis, the diffusion of water from an area of lower solute concentration to an area of higher solute concentration across a semipermeable membrane. The grapes will lose turgor pressure as they become dehydrated, and their size and weight will decrease after being immersed in the hypertonic solution.

The correct answer is C

6.75 mins I believe you would subtract to find the difference

Answer:

If you mean the edmentum/plato question " which structures are analogous structures?" then the answer would be "the tentacles of an octopus and the flippers of a whale" But if you that's not it, then I can't help you.

Explanation:

Answer:

If we talk about Andean states, they comprise a group of areas in  South America that are connected with each other through Andes mountain range. "Andean States" refers to seven countries that the Andes  mountain range runs through and the areas that share share languages, culture and cuisines.

These areas include Colombia ,Ecuador ,Bolivia, Venezuela  and Peru.

Landforms of Andean countries:

The Andes comprise longest range of mountains in the world and arc from northwestern South America to the western coast to Patagonia.

They also constitute major component of the Pacific Ring of Fire, that is a circle of volcanic centers near Pacific basins that comprise tectonic boundaries between continental and oceanic plates.

Andes are further sub-divided into two or three nonvolcanic  and volcanic folded mountain ranges that get separate by lofty plateaus.

Two of the highest peaks of the Andes Argentina’s 22,841-foot high peak and volcano Ojos del Salado astride that is 22,615-foot high.

The Andes, also contains glaciers in some parts of the ranges, arid heights and also ice-laced moving boulders that are commonly known as “rock glaciers.”

Shields are the highland areas and ancient parts of South American continent.  There are different shield areas like Brazilian Shield that covers huge portion of south America, The Guiana Shield  that is at north of Amazon Basin and contains big, isolated lands called “tepuis”.

Similarly, The Patagonian Shield that lies in the south region and contains streams and  draining off the mountains.

The basins are Massive sedimentary  lands that comprise the rest of the part of South America. These include the  Amazon, Orinoco and Chaco-Pampa.

The Orinoco comprises a tectonic lowland that is filled with  Caribbean coastal ranges. This is the basin from where Orinoco River emerges.

Amazon Basin is drained by the largest river of the world and contains world's almost twenty percent fresh water that it delivers to the seas and oceans.

Hope it help!

Most viruses consist of four parts. the core, the capsid, the matrix, and the envelope. The core is located in the center of the virus and contains the virus’ dna or rna wrapped together with some proteins. The capsid is made of protein and forms a shell around the core. The matrix forms a layer between the capsid and the envelope, while the envelope consists of lipids stolen from the cell membrane of the host cell that the virus is growing in. The envelope also contains proteins.

Newton's laws of motion.

newton's laws of motion.

i just did this test

Answer:

The correct answer is "meadow".

Explanation:

Aquatic succession is the geological process given when a glacial lake dries up until the point that it practically disappears. A clear lake that go through aquatic succession may eventually become a meadow. The whole process of aquatic succession would be, the glacial lake drying up to a clear lake and the clear lake eventually becoming a meadow.

The enzymes and acidic juices that initiate protein digestion in the stomach are known as pepsin. Pepsin breaks down proteins into peptides, with further digestion by other enzymes in the duodenum leading to amino acids that are absorbed in the small intestine.

The enzymes and acidic juices in the stomach that break down proteins into smaller molecules are known for their role in the digestion process. The main digestive enzyme responsible for this is called pepsin. Pepsin breaks down proteins into smaller peptides, or short chains of amino acids.

Further down in the digestive tract, specifically in the duodenum, other digestive enzymes such as trypsin, elastase, and chymotrypsin, which are produced by the pancreas, continue protein digestion by reducing peptides to even smaller peptides. Eventually, peptidases like carboxypeptidase, dipeptidase, and aminopeptidase break these peptides down to free amino acids. These amino acids are then absorbed into the bloodstream through the small intestine.