What scientific question would students and people most likely want answers for?

Small population size is most likely to result in changes in allele frequencies in a population. So, the correct option is (B).

The relative frequency of an allele (gene variant) at a specific locus in a population, expressed as a fraction or percentage, is known as allele frequency or gene frequency. It is the proportion of all chromosomes in the population that carry that allele divided by the entire population or sample size. Microevolution is the change in allele frequencies that happens within a population over time.

Given the given facts:

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Full Question: Which set of conditions would most likely cause a change in gene frequency in a population that reproduces sexually A. random mating. B. Small population size. C. No migration into or out of a population. D. Absence of natural selection

Answer:

The different ways are as follows....

1. Genetic Drift(Accidental changes in the genes)

2. Mutation(change in the DNA sequence of an organism)

3.Natural Selection (populations of living organisms adapt and change)

Answer:

The cerebrum is connected to the sensory organs, divided into two hemispheres, and responsible for balance and reflexes. I hope this helps!!!!!

Explanation:

I know this because I got it right in my test I hope this helps people!!!!!!!!!!

(And I just learned about the cerebrum last week!!!!!!!)

Answer:

THE RESEARCH

Explanation:

Answer:

the research

Explanation:

Dandelion and sycamore seeds are both adapted to be dispersed by the wind. The following are explanations of how each one is adapted:

Dandelion seeds: Dandelion seeds are small and light, with feathery bristles known as pappus, which help them to float easily in the wind. The pappus is attached to the seed and acts as a parachute, increasing the surface area of the seed and slowing its descent. This adaptation allows dandelion seeds to travel long distances in the wind, increasing their chances of finding a suitable environment for growth.

Sycamore seeds: Sycamore seeds have a unique structure that allows them to spin as they fall, known as a "whirlybird" or "helicopter." The seed is attached to a wing-like structure, which is angled in such a way that when it falls, it spins rapidly, generating lift and slowing its descent. This adaptation allows sycamore seeds to travel farther and increases their chances of landing in a suitable environment for germination.

In summary, both dandelion and sycamore seeds have adaptations that make them light and easy to carry by the wind. Dandelion seeds have feathery bristles that act as a parachute, while sycamore seeds have a "whirlybird" structure that generates lift and slows their descent. These adaptations allow both types of seeds to be dispersed over long distances, increasing their chances of finding suitable environments for growth and reproduction.

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We can infer that the mother's genotype is XHXH, and the father's genotype is XhY.

Based on the information provided, we can infer the following about the parents:

The woman is "wild type," which usually means that she does not have any genetic mutations or abnormalities. Since she does not have hemophilia, we can assume that she has two normal copies of the clotting factor genes, which we can represent as XHXH.

The man is color-blind and has hemophilia, which means that he has a genetic mutation on his X chromosome that affects both color vision and blood clotting. Therefore, we can represent his genotype as XhY.

Since their daughter has triple X syndrome (XXX), we know that she received three X chromosomes (XXx) from her parents. We also know that she has hemophilia and normal color vision, which means that she must have at least one normal clotting factor gene and one normal color vision gene.

Using this information, we can determine the genotypes of the parents as follows:

The daughter received one normal X chromosome from her mother (XH) and one normal X chromosome from her father (Xh), which gives her the genotype XHXh.

The daughter also received an additional X chromosome with no visible effects on her phenotype, which means that it is likely a normal X chromosome from her mother (XH) or a small fragment of a broken X chromosome from her father (XO).

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The statement that makes a membrane selectively permeable is as follows:

Thus, the correct option for this question is D.

A Selectively permeable membrane may be defined as a type of membrane that permits the entry of specific substances and the exit of a few substances but significantly prevents the transport of other substances through it.

This action of a selectively permeable membrane protects the cell from any unwanted impurities and damage. It also regulates the balance in the internal environment of the cell by the passage of toxic or unwanted substances outside the cell.

Therefore, the correct option for this question is D.

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Hi! A continuous, smooth contraction of muscle in which twitches are fully fused is referred to as "tetanus". Your statement is mostly correct. A continuous, smooth contraction of muscle in which twitches are fully fused is indeed referred to as tetanus.

However, it's important to note that tetanus can refer to two distinct phenomena in muscle physiology:

Tetanus is a type of sustained contraction that occurs when a muscle is stimulated repeatedly at a high frequency, such that the individual twitches become fused together and the muscle remains contracted. This type of tetanus is also called complete or fused tetanus, and it results in a smooth, sustained contraction of the muscle.

Tetanus is also the name of a serious bacterial infection caused by the bacterium Clostridium tetani. This infection affects the nervous system and can cause muscle stiffness and spasms, including a type of muscle contraction called tetanic spasms.

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The best explanation for why cells in adult tissues are constantly being replaced and the tissues remain the same is: the rate of cell death and cell division are equal.

The correct answer choice is option b.

Cell division can simply be defined as the process which involves the division of cell's nucleus and cytoplasm leading to the multiplication of cells and to ensure the continuity of life. However, the cells of living organisms are usually dividing and being replaced by new ones to ensure growth and development by the process of cell division. The tissues remains the same time size simply because the division which occurs with the cell of an organism and the rate of replacement of these cells happens simultaneously.

The importance of cell division cannot be overemphasized as it help in tissue repair, growth and development.

In conclusion, we can now confirm from the explanation given above that cell division enhances cell multiplication.

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Answer:

B. Water is a versatile solvent

Explanation:

Water is said to possess certain properties that gives it its unique attribute. These properties make it a vital component of life as it makes certain phenomena possible. According to this question, water, which makes up majority of urine content, aids the excretion of certain wastes such as nitrogenous molecules from the body.

Water is able to aid in this excretory function due to its VERSATILITY AS A SOLVENT. Water is said to dissolve more substances than any other solvent. This allows it to transport dissolved substances including waste products out of the body.

The correct option regarding sea anemones is (b) i.e. None of the other given options of answer is correct. The order Actiniaria contains several marine creatures, including sea anemones. They resemble anemones, a kind of terrestrial plant, in look and name.

There is no free-swimming medusa stage in sea anemones. Invertebrates of the order Actiniaria that are predatory in the sea include sea anemones. The eggs and sperm produced by the polyp itself are fertilised to create a planula larva. It immediately grows into polyps. They are capable of having both sexual and asexual offspring. They are unable to produce their own food or engage in photosynthesis. As a result, sea anemones and single-celled algae form facultative mutualistic partnerships. The oral disc and tentacles are home to the algae, which are exposed to sunlight and protected from other feeders. The algae provide the sea anemones with food and oxygen. The stinging cells also protect the algae, making it less likely that herbivores would eat them up.

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Answer:

The constants are just variables that are kept constant throughout the experiment. For example, even though the question did not mention this, we can assume that sunlight is a constant, otherwise it wouldn't be a fair experiment.

Some of the constants could be...

- Sunlight

- Water

- Room temperature

- Hours of light

- Soil quality

Let me know if this helps!

Answer:

1) living

2) non living cells

3)having normal physical functions 

4) no heart beat or living cells

5)a mass of cytoplasm that is bound externally by a cell membrane.

Explanation:

science

Answer:

The actual gas that causes air pollution is called a pollutant

Explanation:

Air pollution is the decrease in air quality. Air pollutants are the gases that cause air pollution.

Pollutants are harmful substances and particles that affect the quality of the environment and are man-made or natural. Fly ash from volcanic eruptions is a natural pollutant that deters the air quality.

The air pollutants like carbon monoxide, sulfur dioxide, and carbon dioxide released from the burning of fossil, coal, and vehicles alter the air quality and result in a change in weather conditions.

Therefore, the pollutants are the actual gases that cause air pollution.

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Human survival literally depends on the production of angiosperms. The correct answer is (E).

The stigma, the style, and the ovary make up the carpel, which is where the pollen settles. The fruit will grow from the ovary wall after fertilization. The growing embryo is further protected by this distinctive angiosperm structure, which also improves frugivores' (animals that eat fruit) ability to spread seeds.

In a normal mature gymnosperm seed, the embryo contains two covering layers: the maternal megagametophyte, which is haploid and stores nutrients, and the integument tissue, which is diploid and eventually becomes the testa (1, 2).

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Q- Human survival literally depends on the production of _____.

a)ginkgoes

b)gnetophytes

c)gymnosperms

d)cycads

e)angiosperms

Answer:

Cocci or Coccus

Answer:

A speherical-shaped prokaryotic cell is called a coccus

Explanation:

»» (c) Biological names can be written in any language.

➱ Biological names are derived either from Latin language or are latinised. This is because Latin language is a dead language and therefore it will not change in form or spellings with the passage of time.

Water deficiency in excess is the environmental condition that most frequently harms plant growth.

As a result of the sensitivity of the majority of crop plants to salinity, which is brought on by high salt concentrations in the soil, and the fact that more and more land is being affected by it every day, salinity is one of the harshest environmental factors limiting the productivity of crop plants.

Thought to have originated in East Africa, coffee rust, which is caused by Hemileia vastatrix, moved to Sri Lanka (then known as Ceylon) in the 1860s and severely damaged plantations, ultimately putting an end to production within 20 years (Talhinhas et al., 2017). These plant pathogens must spread to infect new hosts for epidemics of plant diseases to manifest. Pollen and seeds from infected plants, as well as soil, rain, water, animals, people, and machinery, can all transmit plant illnesses.

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Input

An ANN is built from a network of linked units or nodes known as artificial neurons, which are roughly modelled after the neurons in the human brain. Each link, like synapses in a human brain, can send a signal to the other neurons. An artificial neuron receives signals, analyses them, and can signal neurons to which it is linked. Each neuron's output is generated by certain non-linear function of the total of its inputs, and the "signal" at a link is a real number. The connections are referred to as edges. Neurons and edges usually have a weight that changes as learning progresses.

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Answer:

Evaporation. Evaporation can only take away water volume, not salt content. Hot air around.

Rivers. Rivers can dilute the salt concentration of an ocean. If there are numerous rivers.

Ocean Currents. Function of Ocean currents are responsible in both increasing and.

Ice Formation. The formation of ice takes away most of the fresh water from the ocean.

Explanation:

The changes that one can expect to observe as a plant tissue culture develops is the development of new shoots and root.

This refers to the process in which microorganisms, living matter etc are grown in a specially prepared nutrient medium which are made up of different types of compounds.

In the case of a plant tissue culture, there will be new shoot and root formation due to the presence of nutrients in which the plants are exposed to for its growth and survival.

This is therefore makes changes in the shoot and root be the most appropriate choice.

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Answer:

True

Explanation:

Answer:

false.

Explanation:

Cytokinesis occurs after nuclear division (mitosis), which produces two daughter nuclei. Mitosis produces two identical daughter cells.

Answer: Because Daltons theory states all atoms of a given element are identical in mass and properties.

Explanation:

The discovery of isotopes demonstrated that atoms of the same element can have different atomic weights, implying that atoms of the same element are not identical in every way. 

Dalton's atomic theory postulated that matter is made up of indivisible particles known as atoms, and that atoms of the same element are all identical and cannot be created or destroyed.

Compounds are formed by the simple combination of atoms into compound atoms.

Dalton, John Experiments with gases became possible at the turn of the nineteenth century, prompting John Dalton to propose a modern theory of the atom based on certain assumptions.

Dalton's theory is debunked. This is because Dalton's theory states that all matter is made up of identical, indivisible, and indestructible atoms. Isotopes have the same element but a different number of neutrons.

Thus, this way, the discovery of isotopes disprove one part of Dalton's atomic theory.

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Answer:

I don't know if this is correct but Evolution can be defined as biological change over time. As the ff (furless) individuals die off, the gene frequency of both the F and f alleles changes, as there are more F alleles in the population. As the genotypic frequency within the population changes over time, the phenotypic variation also changes. Genotypic and phenotypic change is “biological change”. As biological characteristics of a population change over the generations, the population evolves.

Explanation: I hope this helps

Answer:

1. P

2.P

3.R

4.R

.5.R

6.B

7.R

8..P

9.P

10..P

11.R

12.P

13.P

14.R

15.R

16.N

17.N

18.P

19.R

20.B

21. R

Explanation:

Photosynthesis is a process in which carbondioxide gas react with oxygen in the presence of solar radiation produces oxygen and glucose. oxygen is released in the atmosphere while glucose s stored in different part of plant body while on the other hand in respiration, glucose is broken down in the presence of oxygen produces carbondioxide, water and energy in the form of ATP.