Are all sources we find on the internet credible sources?

Answer:

B

Explanation:

Natural selection occurs when there is competition, limited food. Thus A and C are wrong. D is also wrong, genetic variation has major influence.

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Answer:

b

Explanation:

Answer:

Haploid cells contain a single set of chromosomes. Gametes are an example of haploid cells produced as a result of meiosis. Examples of gametes are the male and female reproductive cells, the sperm and egg cell respectively.

Explanation:

Haploid describes a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells.

Answer:

There would be no production of high energy sugars in the plant.

Explanation:

Plants produce their food (autotrophism) in a process unique to them called PHOTOSYNTHESIS. Photosynthesis is the process whereby plants produce energy-storing sugars (glucose) in the presence of light from sun.

This photosynthetic process combines Carbon dioxide (CO2) and water (H2O) as reactants to form sugar (C6H12O6) and oxygen (O2) as products. The equation for photosynthesis is as follows:

6CO2 + 6H2O → C6H12O6 + 6O2

This means that water and carbon dioxide are strictly needed for the process of photosynthesis to occur in plants. Hence, if water or carbon dioxide were not available to plants, there would be no photosynthetic process and ultimately no production of high energy sugars.

A characteristic of a malignant tumor is that it gains access to the blood and lymphatic channels. Malignant tumors are cancerous growths that have the ability to invade nearby tissues and spread to other parts of the body through these channels.

This process is known as metastasis and is a hallmark of cancer. Unlike benign tumors, which are usually slow growing and remain localized, malignant tumors are aggressive and can grow rapidly. Additionally, they often demonstrate cells that are poorly differentiated, which means they do not resemble the normal cells of the tissue from which they originate. This lack of differentiation can make it difficult for the body's immune system to recognize and attack the cancer cells. Overall, malignant tumors are a serious health concern and require prompt diagnosis and treatment to prevent the spread of cancerous cells throughout the body.

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Answer:

It was most likely Proteus syndrome

Explanation:

Proteus syndrome is an uncommon disorder characterized by bone, skin, and other tissue expansion. The condition causes tissues and organs to expand out of proportion to the rest of the body. Asymmetrical overgrowth occurs when the right and left sides of the body are impacted differentially.

Rounded to two decimal places, the answer is 1.16. To calculate the species diversity (using the Shannon index, H) of plots with Rudbeckia and rounding the answer to two decimal places,

we can use the formula below:$$H' = -\sum_{i=1}^{S} \left( \frac{n_i}{N}\right) \ln \left( \frac{n_i}{N}\right) $$Where $n_i$ is the number of individuals in the $i$th species and $N$ is the total number of individuals. The summation is taken over all $S$ species present.Using the given information, we can determine the species diversity of plots with Rudbeckia. To do so, we need to know the number of individuals in each species in the plots. Once we know this, we can use the formula above to calculate the Shannon index, H.Let's assume that there are three species in the plots with Rudbeckia, with the following numbers of individuals:Species 1: 10 individualsSpecies 2: 20 individualsSpecies 3: 5 individualsTo calculate the Shannon index, H:$$H' = -\sum_{i=1}^{S} \left( \frac{n_i}{N}\right) \ln \left( \frac{n_i}{N}\right) $$$$H' = - \left( \frac{10}{35}\right) \ln \left( \frac{10}{35}\right) - \left( \frac{20}{35}\right) \ln \left( \frac{20}{35}\right) - \left( \frac{5}{35}\right) \ln \left( \frac{5}{35}\right)$$Now, we can solve for $H'$:$$H' = -0.286 \ln 0.286 - 0.571 \ln 0.571 - 0.143 \ln 0.143$$$$H' \approx 1.16$$Therefore, the species diversity (using the Shannon index, H) of plots with Rudbeckia is 1.16.

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In a hypothetical food web, choose to remove a primary consumer, specifically a herbivorous insect, like a caterpillar.

a. With the caterpillar removed, both the plants it feeds on (producers) and the organisms that feed on it (secondary consumers, like birds) would be affected. The plant population might experience an increase due to the lack of predation from caterpillars, while the bird population could decrease as a result of reduced food availability.

b. The organisms affected by the removal of the caterpillar do have potential alternative food sources. For example, the birds could adapt to feed on other insects or small animals available in the same ecosystem. Meanwhile, other herbivorous insects could take advantage of the increased plant population, which would, in turn, help maintain a balance in the food web. However, these alternative food sources might not be as efficient or suitable for the affected organisms as the original caterpillar, leading to potential changes in the overall dynamics of the ecosystem.

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Answer:

Biodiversity is important to humans for a lot a reasons such as life support provides dmfunctioning ecosystems that supply oxygen clean air and water.

if all animals are the same size, shape, color and in the same place they can be more susceptible to extinction with just one event like with big dinosaurs and a asteroid hitting the earth

Answer:

2-Every individual in a species of wolf is killed by hunters or lack of food.

Explanation:

Answer:

In the beginning, God created...

Explanation:

only Jesus Christ (who is God, robed in flesh) is able to create souls. Only humans have souls...that is why we are precious to Him...we are created in His image...sorry, I’m not meaning to seem like I’m preaching at you...because I’m not trying to...but I’m just telling you the truth.

If the plasma membrane is disrupted and the ion concentration is equilibrated on both sides, the sodium-potassium pump would still bind ATP but would not need to hydrolyze ATP to function. Sodium ions would be locked inside the pump, and they could not enter the pump.

The sodium-potassium pump is responsible for maintaining the concentration gradients of sodium and potassium ions across the cell membrane. It uses ATP hydrolysis to pump three sodium ions out of the cell and two potassium ions into the cell, against their concentration gradients.

If the plasma membrane is disrupted and the ion concentrations are equalized on both sides, there would be no concentration gradient for the pump to work against. As a result, the pump would still bind ATP but would not need to hydrolyze ATP to function. However, sodium ions would be locked inside the pump, and they could not enter the pump due to the absence of a concentration gradient.

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The given question is incomplete, complete question is- "the sodium-potassium pump uses atp hydrolysis to pump ions against their concentration gradient. if the plasma membrane was disrupted and the ion concentration was equilibrated on either side of the membrane, how would this likely change the properties of the pump? group of answer choices:

The pump would bind ATP but would not need to hydrolyze ATP to function

Sodium ions would be locked inside the pump

Sodium ions could not enter the pump

The pump would no longer need ATP to function

The properties would not change and the pump would function normally"

Taxonomy is the science of finding, describing, classifying and naming organisms.

The traditional taxonomic classification is based on the most obvious similarities between species. The Linnaean system is based on similarities in obvious physical traits.

Modern taxonomy, classification is based on phylogenetic relationships of the organisms. Cladistics is a relatively new system of classification that uses shared derived traits to establish evolutionary relationships.

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Answer:

Explanation:

Further down, the trachea divides into two tubes (left and right) called bronchi (BRAHN-kye). The bronchi connect the trachea to the lungs.

Answer: 20 monkeys

Explanation:

Question is lacking a very important detail which is the population density of monkeys in the Carabao.

I found that out to be 26.7 monkeys per sq.km

Population density = Number of monkeys / Area

With the population density known to be 26.7 monkeys per sq.km and the area known to be ³/₄ sq. km, the number of monkeys is;

26.7 = No. of monkeys/ ³/₄

No. of monkeys = 26.7 * ³/₄

No. of monkeys = 20

Answer:

C

Explanation:

A)

DNA directs the synthesis of RNA.

B)

DNA splits into two strands of RNA.

C)

A strand of DNA is used as a template for the formation of RNA.

D)

Two strands of RNA are formed by copying each of the strands of DNA.

The correct answer would be that a strand of DNA is used as a template for the formation of RNA.

Transcription is a process during which RNA is synthesized using DNA as a template. The coding strand of the DNA is utilized as a template for the formation of messenger RNA. During this process, the double helix structure of the DNA is unwound by an enzyme and the coding strand is bound by a short DNA strand at the beginning of a gene while another enzyme adds RNA nucleotide bases to elongate the short strand.

The correct option is C.

Answer:

C) A strand of DNA is used as a template for the formation of RNA

Explanation:

During transcription, a portion of the cell's DNA serves as a template for creation of an RNA molecule. (RNA, or ribonucleic acid, is chemically similar to DNA).

Answer:

Once mitosis is complete, the cell has two groups of 46 chromosomes, each enclosed with their own nuclear membrane. The cell then splits in two by a process called cytokinesis, creating two clones of the original cell, each with 46 monovalent chromosomes.

Explanation:

In this case, the rhythmic muscular contraction that pushes food from the esophagus into the stomach is called peristalsis.

Peristalsis is a series of rhythmic muscular contractions that move food through the digestive tract.

The process begins in the esophagus, where peristalsis pushes food down into the stomach.

Peristalsis continues throughout the digestive tract, helping to mix and propel food through the intestines until it is eliminated.

Ingestion refers to the process of taking in food, while digestion refers to the process of breaking down food into smaller molecules that can be absorbed by the body.

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Explanation:

The recombination frequencies you have provided indicate the likelihood of different combinations of alleles from different loci appearing in offspring when two parents with different genotypes at those loci reproduce.

The recombination frequency of 15% between loci A and W means that 15% of the offspring will have a combination of alleles from both loci that is different from the combination present in either parent.

Similarly, 35% recombination frequency between loci W and L means that 35% of the offspring will have a combination of alleles from both loci that is different from the combination present in either parent.

A & L = 15%, A & D = 20% and D & W = 5% represents the same as above.

It's important to note that recombination frequencies are used to map the location of genes on chromosomes, and to estimate their distance to one another.

The presence of peptidoglycan in bacterial cells is clinically significant because it is a unique feature of bacterial cells and is absent in mammalian cells. This makes peptidoglycan an important target for antibiotics, which selectively target and kill bacterial cells while leaving mammalian cells unharmed.

Peptidoglycan is an essential component of the bacterial cell wall, providing structural support and protection against osmotic pressure. Antibiotics such as penicillin and cephalosporins target the peptidoglycan layer by inhibiting its synthesis, leading to bacterial cell death.

Other antibiotics, such as vancomycin and teicoplanin, target the existing peptidoglycan layer by preventing the cross-linking of the peptidoglycan chains, leading to cell lysis.

The presence of peptidoglycan in bacterial cells is also important for bacterial identification and classification. Different bacterial species have distinct peptidoglycan structures that can be used for taxonomic purposes.

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Answer:

see explanation

Explanation:

yes the answer is TRUE

Answer:

Explanation:

Answer:

According to Oxford learner's dictionary:

Biological Accumulation is the accumulation within living organisms of toxic substances occurring in the environment.

Biological accumulation is the continuous buildup of foreign substances, such as pesticides or toxic chemicals, within an organism.

The scientists those who contributed to scientific knowledge come from any part of the world.

The person who systematically collects and applies research and evidence in order to form hypotheses and test them for gaining and sharing the understanding and knowledge is a scientist.

They are not particularly present in a certain area. They can be from any part of the world either it can be small region or developed region.

Thus, it can be concluded that the scientists those contributed to the scientific knowledge come from all parts of the world.

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By the transfer of energy into a container of magnetic marbles the speed changes because of kinetic energy produced by the shaking of container gently. This will lead to phase changes.

All the phase changes in a system are accompanied by the change in the energy of a system. These include transfer of kinetic energy to a system. Changes from a more-ordered state to a less-ordered state are endothermic reactions. Changes from a less-ordered state to a more-ordered state are always exothermic reactions.

A phase change in a system takes place when a matter changes from one state to another state. These changes occur when sufficient amount of energy is supplied to the system or lost from the system. Phase changes also occur when the pressure on the system is changed.

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As plastic is made from crude oil, the end product of million of years, a non renewable resource, it really is non renewable. But it still can be recycled. Most plastics are no biodegradable because there are no organisms (such as bacteria and fungi) that could break that material. It can be easy to be manufactured, even if it's production costs lots of other material extracted from nature, but humanity is still looking for the best ways to convert it into environment friendly substances. Therefore, yes the statement is accurate.

True, in terrestrial ecosystems, most energy flow passes through detritus  as it serves as a primary source of food for decomposers such as bacteria, fungi, and invertebrates which in turn releases nutrients and energy that can be used by other organisms in the ecosystem

Detritus is the dead organic matter such as fallen leaves, twigs, and dead animals that accumulates on the forest floor. It is broken down by decomposers, such as bacteria and fungi, into simpler compounds that can be used by plants as a source of energy and nutrients. This broken-down detritus is then consumed by herbivores, which are in turn consumed by carnivores. This process is called the detritus food web, and it is the primary way that energy and nutrients are cycled through terrestrial ecosystems.

It's worth noting that detritus is not the only energy source in terrestrial ecosystems. Photosynthesis is also a source of energy. However, the energy that flows through detritus is an important part of the ecosystem's energy budget.

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#1: Archaebacteria, #2: Eubacteria, #3: Protista, #4: Fungi, #5: Plantae, and #6: Animalia. Depending on their traits and categorization, certain species may belong to more than one kingdom.

One of the planet's earliest living things is an archaebacterium. They are categorised as bacteria because they share many characteristics with bacteria under a microscope. They are known as Archaebacteria because they are members of the kingdom Archaea.

In taxonomy, there are 6 kingdoms. Eubacteria, Archae, Protista, Fungi, Plantae, and Animalia are the six kingdoms. Most scientists believed that all living things could be categorised as either plants or animals up until the 20th century.

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Answer:

The planet has too little mass to be a planet.

Explanation:

Answer: "The object appears to have no moons of its own."

Explanation: This sentence disqualifies the newly discovered object from being a planet because most major planets have moons. Even dwarf planets would have small moons.

Answer:

about 250 years ago

Explanation:

Answer:

about 250 million years ago

Explanation:

It is the oldest member of the frog lineage known, and an excellent example of a transitional fossil. It lived during the Early Triassic about 250 million years ago, in what is now Madagascar.

The greenhouse gas is harmful for the earth's environment, and this happens when there is a maximum amount of carbon dioxide released to the atmosphere, which is caused by a lot of human usage of fossil fuels for electricity, etc.

Several gases are released into the atmosphere, and as a result, the atmosphere warms, negatively impacting many living things such as animals and plants. To reduce the negative consequences of this warming, the emission of carbon dioxide should be decreased.

Hence, the greenhouse gas is harmful for the earth's environment, and this happens when there is a maximum amount of carbon dioxide released to the atmosphere, which is caused by a lot of human usage of fossil fuels for electricity, etc.

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