why do scientists put so much effort into documenting their experiment and analysi

To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.

Starting with two bacteria, we can observe the progression:

Hour 1: 2 bacteria

Hour 2: 2 x 4 = 8 bacteria

Hour 3: 8 x 4 = 32 bacteria

Hour 4: 32 x 4 = 128 bacteria

Hour 5: 128 x 4 = 512 bacteria

Hour 6: 512 x 4 = 2048 bacteria

Hour 7: 2048 x 4 = 8192 bacteria

Hour 8: 8192 x 4 = 32768 bacteria

Hour 9: 32768 x 4 = 131072 bacteria

Therefore, it took 9 hours for the number of bacteria to reach 131,072.

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Answer:

Carrying capacity can be defined as a species' average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource rebounds.

The typical population size of a species in a given habitat is referred to as carrying capacity. Environmental elements including sufficient food, shelter, water, and mates are able to control the population number of the species.

The greatest number of a distinct organisms that can be supported by a particular environment, considering the food supply, habitat, water, as well as other resources, is known as the carrying capacity of that ecosystem.

The typical population size of a species in a given habitat is referred to as carrying capacity. Environmental elements including sufficient food, shelter, water, and mates are able to control the population number of the species. The population will decline until the resource recovers if these needs really aren't supplied.

Thus, the typical population size of a species in a given habitat is referred to as carrying capacity.

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Answer:

D.) Andean

Explanation:

Andean is the kind of mountain formed due to an oceanic plate and continental plate colliding.

Answer:

your answer to this question is Andean letter D

Explanation:

Natural selection is the process by

which the individuals that are best adapted to their environment survive, while the others that are poorly adapted die.

Genetic traits already present in a species are expressed. If that trait makes the species more likely to live and reproduce, then individuals with that trait are favored over those without the trait.

In conclusion, natural selection is the process by which the individuals that are best adapted to their environment survive, while the others that are poorly adapted die.

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Answer:

B. Doctoral degree

Explanation:

Answer:

1)centriole

2)asexual reproduction

Answer:

Because they are farther away

Explanation:

This process, known as skin cell turnover, occurs at different rates depending on the type of cell. In the case of the epidermis, some skin cells are essentially replaced every 28 days.

When it comes to the process of skin cell replenishment, it's important to understand that not all cells are created equal. Some cells, such as those found in the epidermis, the outermost layer of the skin, are constantly shedding and being replaced by new cells. However, other types of cells, such as those found deeper in the skin, may take longer to regenerate. Regardless of the exact timeline, understanding how skin cells replenish themselves is essential for maintaining healthy skin. By providing the body with the nutrients and care it needs, we can support this natural process and help keep our skin looking and feeling its best.

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Answer:

D Natural Selection

Explanation:

Species choose mates to reproduce with naturally.

Answer:

I believe it would be option a, beaks got longer because the only birds that survived had larger beaks that could crack the hard seeds

Explanation:

In years of extreme drought, Galápagos plants don’t produce new seeds. The small, delicate seeds get eaten up quickly, leaving behind only the largest, toughest seeds.

Answer:

the cell is  

✔ hypertonic

Explanation:

Answer:

Breathing: is the physical process of exchanging gases

respiration: is a chemical process that takes place at a cellular level and produces energy.

The Ustilago maydis is a fungi that causes a plant disease named corn smut, that attacks corn and teosinte plants. The corn smut reduces corn yields causing economic impact for the producers and farms, the symptoms of the disease are:

- Seeding infection causes the twisting and dropping of the leaves;

- Can effect the stem, leaves, clum, and stages of seed maturity;

- The apparence of gray to grayish black sori on the leaf and sheath, the sorus will contain black powder mas of spores of the fungi. Therefore, the disease will cause a huge crop loss (C), since the corn with the corn smut will not be sell to the consumers.

Answer:

Subsoil is the most likely layer in which lithification is to occur.

The light colored allele appears to alter transcription and therefore the corresponding mRNA is absent in the homozygous zebrafish.

The protein we can tell was absent because the mRNA required for protein synthesis was not present. If the allele had altered translation, the mRNA that is functional would be present but in the same case, the protein would still be absent. Amino acid/carnitine transporters B(0,+) (ATB(0,+)) and broad neutral (0) amino acid transporter 1(B(0)AT1) The mRNA levels measured in our study suggest that the protein may be used by the duration of 24 -96 hours of fasting in zebrafish.

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Answer:

A. Making an observation

Explanation:

Before you can communicate findings, you first need to have findings. And before you can test a hypothesis, you first need to come up with a hypothesis, which can be done by first making an observation.

Answer:

Universal solvent

Explanation:

The question is asking what the property of ("Dissolving gases nutrients, and minerals") does.

Specific Heat refers to how much heat can be absorbed by  solvent(water)

Surface Tension refers to how water has forces of  cohesion(bond to each other) to create strong holding force on surfaces.

In this question Universal solvent would be the answer as water has unique property to dissolve many polar substances.

Answer:

The mechanism of regulation of kidney function is a complex process that involves several different hormones and physiological systems. The kidneys filter and regulate the levels of various substances in the blood, such as electrolytes, water, and waste products. The kidney function is regulated through a balance of hormones and physiological systems that help to maintain the correct balance of these substances in the blood.

The two main hormones in regulating kidney function are antidiuretic hormone (ADH) and aldosterone. ADH, also known as vasopressin, is produced by the hypothalamus and is responsible for regulating the water balance in the body. When the body is dehydrated, ADH is released, which causes the kidneys to reabsorb more water and reduce urine output. Aldosterone is a hormone produced by the adrenal glands that regulate the balance of electrolytes, such as sodium and potassium, in the body. When the body is low in electrolytes, aldosterone is released, which causes the kidneys to reabsorb more electrolytes and reduce urine output.

In addition to hormones, the renal blood flow and glomerular filtration rate (GFR) are also regulated to control kidney function. The renal blood flow is regulated by the renal autoregulation mechanism, which maintains a constant blood flow to the kidneys regardless of changes in blood pressure. The GFR is controlled by the intrinsic control system of the kidney which adjusts the filtration rate depending on the body's needs.

Overall, kidney function is regulated by a complex interplay between hormones, renal blood flow, and the intrinsic control system of the kidney. These mechanisms work together to maintain the correct balance of substances in the blood and ensure that the body is functioning properly.

Answer: Look down you may copy word for word

Explanation: The kidneys regulate ciriculatory volume. It does this by controlling sodium along with water balance. With this maintaing extracellular fluid volumes. This has to do with homeostatis. Homeostatis is the state of it's natural setting

Answer:

It might pass the three of them

Explanation:

It depends on the weather

The correct answer is: The flies cannot be clones as they were produced from different egg and sperm cells, so all of them have different genetic information regardless of their physical traits. The correct answer in D.

The scientist's claim is incorrect because clones are organisms that are genetically identical to each other.

In the given scenario, the scientist bred two flies together, which means that the offspring inherited genetic material from both parents.

Although the physical characteristics of the offspring may appear identical to the parents, it does not mean that they are clones.

Cloning involves the replication of genetic material to produce genetically identical organisms.

In sexual reproduction, like in fruit flies, offspring are produced through the combination of genetic material from two different individuals.

Each offspring inherits a unique combination of genetic information from both parents, even if their physical traits may resemble their parents closely.

Therefore, even though the physical characteristics of the offspring in this scenario may be identical to the parents, they cannot be considered clones because they possess different genetic information resulting from the recombination of genetic material during sexual reproduction.

Therefore, the correct answer is D.

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Question

A scientist works with fruit flies. He breeds two flies together and all the offspring are identical to the parents. The scientist states that all the offspring must be clones due to their physical characteristics being identical.Why is this scientist's claim incorrect?

Question options:

A) The scientist is correct because when traits match, it means that the organisms must be clones of each other and the parents.

B) The flies do have the same genetic information, but it is because the parents were clones of each other to begin with, so the scientist is correct.

C) The flies cannot be clones because clones do not have identical physical traits, only their genes are identical.

D) The flies cannot be clones as they were produced from different egg and sperm cells, so all of them have different genetic information regardless of their physical traits.

Polygenic gene expression typically generates a continuum or spectrum of varying phenotypes.

Polygenic traits are influenced by multiple genes, each of which contributes a small effect on the phenotype. As a result, the phenotype is not simply determined by the presence or absence of a single gene, but by the combined effects of multiple genes. Examples of polygenic traits include height, skin color, and intelligence.

In contrast, monogenic gene expression typically results in distinct, discrete phenotypes. Monogenic traits are determined by a single gene, and an individual either has the trait or does not. Examples of monogenic traits include Huntington's disease, cystic fibrosis, and sickle cell anemia.

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Answer:

the picture is not loading when it dose mabey I can answer I have been waiting 30 mins for the pic to load

Answer:

A

Explanation:

A because a meteor hit when the dinos were alive

Answer:

I would say Scientific knowledge is always being changed and performed in different ways. Scientific knowledge is always being changed as scientist are experiencing and collecting new information everyday using the scientific method.  ( please let me know if this is wrong ) !

Answer:

Scientific knowledge can be changed.

Explanation:

For example, the Cell Theory. The Cell Theory has been changed over and over again, leading to what it is know. People didn't have microscopes when the cell theory was first discovered, so when microscopes came along, we found out more about cells and revised the cell theory.

Answer:

Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.

Explanation:

Answer:

Disclaimer: I haven't had a proper science class in ages and I forgot most of the terms. I probably don't have the correct answer that you're looking for, but this is to the best of my ability.

Mutations in cells can cause cancer as it will compete with other cells for energy and space. It will continually multiply/rapidly grow and can't be rid of as its internal system of apoptosis was hindered during the mutation. Mutations can occur due to damages in the DNA.

The subcutaneous tissue acts as a layer of insulation to conserve body heat called "thermoregulation."

Subcutaneous tissue is a layer of fat and connective tissue that is located beneath the skin. It serves a number of important functions, one of which is insulation. The layer of subcutaneous tissue helps to regulate body temperature by providing a barrier against the external environment and retaining body heat. The thickness of subcutaneous tissue can vary depending on a person's body composition, age, and gender.  This tissue, found beneath the skin, helps maintain a stable internal body temperature by providing insulation and protecting against heat loss. Overall subcutaneous tissue acts as a layer of insulation to conserve body heat called thermoregulation.

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