What statement is best supported by the survivorship curves?



A. American robins have a high survival rate for most of their lifespan and then decline rapidly in old age.



B. American robins have similar death rates throughout their lifespan, while the death rate of common green darners changes over their lifespan.



C. A very high proportion of common green darners reach adulthood and live to older ages.



D. Younger American robins have higher death rates than older American robins, while younger and older common green

Commensalism is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed.

Answer:

”ist”

Explanation:

Answer:

”ist”

Explanation:

Answer:

A cellphone network. Often spanning an entire country, a cellular system comprises a core network that connects to base stations with antennas on towers that span up to 20 miles in diameter. GSM and CDMA are the two major cellular technologies.

Explanation:

Answer:

Often spanning an entire country, a cellular system comprises a core network that connects to base stations with antennas on towers that span up to 20 miles in diameter. GSM and CDMA are the two major cellular technologies. See cellphone, cellular generations, GSM, CDMA and microcell.

Explanation:

got it from goo gle

Answer:

я не знаю ответа извините

Explanation:

Answer:Chloroplasts,is NOT found in animal cells

Explanation:

As temperature increases, the rates of chemical reactions and the growth of fungi and bacteria increase.

However, the rate of these reactions and the growth of fungi and bacteria will decrease as the temperature increases past a certain point. The rate of these reactions and the growth of fungi and bacteria is controlled by enzymes, which have optimal temperatures at which they function best. Outside of this optimal range, enzymes will become less efficient and the reaction rate will slow down.Therefore, high temperature is not always favorable for chemical reactions and the growth of fungi and bacteria. At a certain point, these will decrease as the temperature increases beyond a certain point due to denaturation of enzymes in fungi and bacteria.

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Answer:

The answer is 0 ( AKA A )

Explanation:

Parents form the same type of gene, which is Rr. Since all the genes are the same, there can not be a chance that the offspring can not roll the tongue. Next time focus on your work!! :3

The offspring of an Angora and Rex rabbit hybrid have fur that is significantly longer than that of a Rex rabbit. There is a 0.25 percent probability that the child will have long fur based on the genotype of the parents.

The length of the offspring's' fur indicates an imperfect dominant inheritance pattern. Incomplete dominance is an inheritance pattern in which the phenotype of the offspring closely matches that of one parent more than the other, but is intermediate between the phenotypes of the parents.

In this instance, the progeny have fur length that is roughly equivalent to that of an Angora rabbit but slightly longer than that of a Rex rabbit. This is an illustration of partial dominance.

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The answer which is false is, gene flow leads to divergence and the formation of new species.

What is speciation?

For speciation to occur two populations must be prevented from interbreeding.

This means that populations must become isolated from on another through the geographical or biological barriers.

If populations remain isolated long enough, speciation will eventually occur because of changes accumulated in population due to natural selection.

What is gene flow?

Geographical isolation hampers gene flow because of spatial separation which in turn leads of reproductive isolation due to the inability of meeting gametes to leads.

It causes genetic drift due to the barrier of gene flow between them and parent species.

Certain alleles get fixed into population due to inbreeding in a smaller population while other gets eliminated, this leads to formation of new alleles and new gene pool, so-called progressive genetic divergence.

Finally there is the formation of new species when genetic variation are accumulated for several generations.

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The following statements about gene flow that is false is that it leads to divergence and the formation of new species.

What is gene flow?

Any movement of people from one community to another, including the genetic material they carry, is referred to as gene flow, sometimes known as migration. Numerous other types of occurrences, such as individuals relocating to new cities or nations or pollen being carried to a new location, are included in the concept of gene flow.

Gene flow has the effect of reducing genetic differences between populations, which prevents or delays the development of populations in various geographic locations into distinct species of the disease. Additionally, phenotypic divergence will be prevented if divergent selection pressures exist but are suppressed by gene flow

Hence  out of following statements about gene flow that is false is that it leads to divergence and the formation of new species.

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A homogeneous mixture is one where the substances are evenly spread throughout.

A mixture that is homogenous has same proportions of its constituent parts throughout a given sample, whether it be a solid, liquid, or gaseous mixture. Its makeup is constant throughout. In a homogenous combination, just one phase of matter is visible.

A homogeneous mixture has a consistent makeup or structure. For instance, when table salt is added to water, the resultant combination is homogenous because of salt dissolves in the liquid and the salt granules are dispersed throughout the entire volume of water.

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Hello,

The observation that the pesticide was effective in killing insects in week 1 but became ineffective by week 3 is likely due to the development of resistance in the insect population.

When a pesticide is introduced, it may be very effective in killing a large proportion of the target insects. However, some insects may have genetic variations that allow them to survive exposure to the pesticide. These insects then go on to reproduce, passing on the genes that allowed them to survive to their offspring. Over time, the proportion of insects in the population with these resistant genes increases, making the population as a whole less susceptible to the pesticide. This is known as pesticide resistance.

Insects can develop resistance to pesticides through a variety of mechanisms, including mutations that make them less susceptible to the toxic effects of the pesticide, increased detoxification of the pesticide by enzymes in their bodies, or changes in their behavior that allow them to avoid exposure to the pesticide.

To combat pesticide resistance, farmers may need to use different pesticides or alternative methods of pest control. They may also need to use pesticides in a targeted and judicious manner, rotating different types of pesticides to avoid overuse of any one type and minimize the selection pressure for resistance.

Furthermore, expressing only a fraction of genes in each cell saves room because DNA must be unwound from its closely coiled structure to be expressed. Modern cells are more challenging to research because they have more organelles and other components than primordial cells, which have a limited number of organelles.

There are two fundamental principles of modern cell theory: All cells are derived solely from other cells (the principle of biogenesis). Cells are the basic building blocks of creatures. These principles are now central to our comprehension of existence on Earth. Many experts collaborated to develop contemporary cell theory. In 1665, the English scientist Robert Hooke coined the word "cells" to characterize tiny chambers within cork that he witnessed under a microscope.Furthermore, expressing only a fraction of genes in each cell saves room. Hooke compared narrow pieces of cork to "Honey-comb" or "small Boxes or Bladders of Air." Since the development of classical cell theory, technology has advanced, allowing for more precise observations that have resulted in novel cell finds. They're broken—teaches us about the cellular mechanisms that keep us healthy. It also reveals novel approaches to illness treatment.

As a result of the increased number of organelles in contemporary cells, we can infer that they are more challenging to research than primordial cells.

Answer:GMO crops have significantly increased crop yields and simultaneously decreased pesticide use. By doing these two things combined, we are producing more food with less inputs. Decreased use of pesticides, means less pesticide production demand and also less energy use on the farmers' end, too.

Explanation:

Answer:

Yes! Everything in this table is correct.

Explanation:

Answer:

sponges

Explanation:

Answer:

A

Explanation:

EDGE2021

Lophorina Superba is a bird species and therefore the undergone both mitotic cell division for somatic cells and meiotic cell division for germinal cells.

The process of mitosis cell division is based on the generation of genetically identical body cells, while meiotic cell division generates cell having half of the genetic material which will form the gametes in species of sexual reproduction such as for example birds.

Therefore, with this data, we can see that both mitotic and meiotic cell divisions occur in bird species such as Lophorina Superba.

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As a result of their higher energy requirements compared to reptiles and amphibians of the same size, natural selection has favored the evolution of double circulation in birds and mammals. The right response in this case is option D.

The rigorous separation of oxygenated and deoxygenated blood is supported by double circulation. In order to ensure that the body always has a dedicated supply of oxygen, this circulation also increases bodily efficiency. In part because of this, mammals are able to regulate their body temperatures.

Blood flows to all four chambers of the heart the left atrium, left ventricle, right atrium, and right ventricle during double circulation. Blood circulation is successfully completed by blood vessels such as the pulmonary artery, aorta, vena cava, and pulmonary vein.

Due to the fact that blood circulates through the heart twice per circuit, it is called a twofold circulation system.

Complete question:

Why has natural selection favored the evolution of double circulation in birds and

mammals?

A - because they have more viscous blood than reptiles and amphibians

B - because they cannot obtain as much oxygen from the air as reptiles and amphibians

C - because they are larger than reptiles and amphibians

D - because they use more energy than equivalent-sized reptiles and amphibians

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It is true that microorganisms that are members of the normal microbiota are also known to cause disease.

Microbiota is commonly described as the assemblage of dwelling microorganisms found in a described environment [25]. As phages, viruses, plasmids, prions, viroids, and unfastened DNA are commonly now no longer taken into consideration as dwelling microorganisms [55], they do now no longer belong to the microbiota.

A most important feature of the microbiota is to guard the gut in opposition to colonization via way of means of exogenous pathogens and doubtlessly dangerous indigenous microorganisms thru numerous mechanisms, which consist of direct opposition for confined vitamins and the modulation of host immune responses.

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The enzymes required to cleave α-1,6-glycosidic branches in glycogen are known as debranching enzymes.

Debranching enzymes are responsible for breaking down the glycogen molecule by removing branches from the chain. These enzymes consist of two subunits: an alpha-1,6-glucosidase and a transferase. The alpha-1,6-glucosidase cleaves the α-1,6-glycosidic bond at the branching points of the glycogen molecule, releasing a free glucose molecule. The transferase then moves the remaining branch to the end of another glycogen chain so that it can be further broken down by glycogen phosphorylase. The debranching enzymes play an essential role in glycogen metabolism, as they allow the body to release glucose from the stored glycogen in response to energy needs. Without these enzymes, the body would not be able to access this important energy source.

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The concentration of hormones given in injection at daily basis, to stimulate ovarian follicles to grow and develop are Estrogen = 60 pg/ml and      HCG= between 1000- 4000 pg/ml. in IVF (in-vitro fertilisation)

To encourage IVF (in-vitro fertilisation) the woman to have at least 4 follicles that are between 14 and 20 mm in diameter. At least eight follicles between 13 and 20 mm would be ideal. A good number (about 8–15) of high-quality eggs are desired. Monitoring is done of the developing follicle sizes and blood hormone levels. The number of follicles is measured using ultrasound. Blood levels of the hormone estrogen are crucial. At the beginning of the cycle, estrogen (or estradiol) levels are typically under 60 pg/ml, and they significantly increase as many follicles form. Peak estradiol concentrations with HCG injection during IVF typically range between 1000 and 4000 pg/ml. Typically, the stimulating phase lasts 8 to 10 days. When the follicle measurements and oestrogen levels are optimal for a good outcome, the HCG injection is administered. The ultimate egg maturation must be induced by the HCG injection.

The egg retrieval procedure is scheduled to take place 34 to 35 hours following the HCG injection, just before the woman's body may begin to release the eggs (ovulate). sometimes given an injectable medicine that contains follicle-stimulating hormone (FSH), luteinizing hormone (LH), or a combination of both to activate your ovaries. These drugs encourage the simultaneous development of several eggs.

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In an untrained/obese group, overfeeding can lead to an increase in muscle protein synthesis (MPS) and hypertrophy, but the response may be blunted compared to a group of trained individuals.

Trained individuals generally have a higher baseline level of MPS and muscle mass, which may limit the extent of MPS and hypertrophy in response to overfeeding.

In an untrained or obese group, overfeeding can provide an excess of nutrients, including protein, which can stimulate MPS and promote muscle hypertrophy. However, several factors may affect the response to overfeeding in this group. Untrained individuals may have lower baseline levels of MPS and muscle mass compared to trained individuals, which can limit the potential for substantial increases in MPS and hypertrophy.

Additionally, obesity is associated with metabolic dysregulation, such as insulin resistance and chronic inflammation, which can negatively impact muscle protein metabolism. These metabolic disturbances can impair the anabolic response to overfeeding and limit the extent of MPS and hypertrophy.

On the other hand, trained individuals who regularly engage in resistance exercise have already established a higher baseline level of MPS and muscle mass. Their muscles are more sensitive to the anabolic stimuli of overfeeding and may exhibit a greater response in terms of MPS and hypertrophy. Trained individuals also tend to have better metabolic health, which can further enhance the muscle protein synthesis response to overfeeding.

In summary, while both untrained/obese individuals and trained individuals may experience increases in MPS and hypertrophy with overfeeding, the response in the untrained/obese group may be blunted due to lower baseline levels of MPS, metabolic dysregulation, and impaired muscle protein metabolism. Trained individuals, with their higher baseline levels of MPS and muscle mass, may exhibit a more pronounced response to overfeeding in terms of MPS and hypertrophy.

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Answer:

10km west

Explanation:

cause im always right

Answer:

The Main basic purpose is to be able to breath and live. Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.The three main stages of cellular respiration (aerobic) would include Glycolysis, the Krebs Cycle and the Electron Transport Chain. The Krebs Cycle takes Citric Acid which is a derivative of Pyruvic Acid and converts this through 4 cycles into Hydrogen, carbon dioxide and water in the Mitochondrial Matrix.

Answer:

Definition:

The Toltec's introduction of metalworking to Mesoamerica likely had significant impacts on the region.

Metalworking brought new technological advancements, enabling the production of tools, weapons, and ornamental objects from metals such as gold, silver, and copper. These metals offered superior strength, durability, and versatility compared to traditional materials like stone and obsidian.

The availability of metal tools and weapons would have enhanced agriculture, warfare, and craftsmanship in Mesoamerican societies. It could have led to increased productivity, more efficient farming techniques, improved defense capabilities, and the development of sophisticated metalwork arts and trade networks. The introduction of metalworking likely brought about societal transformations, economic growth, and cultural exchange throughout Mesoamerica.

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Complete Question:

What impact do you think the Toltec's introduction of metalworking to Mesoamerica might have had? Please provide a comprehensive answer with complete details and explanations.

Answer:

Intervention in God's creation.

Explanation:

''Playing God” is the ethical perspective of food biotechnology because in food biotechnology genetic modification occur which involve human intervention into creation of God and hence, is an unnatural act. Intervention in the God's creation is considered as unethical act of humans. So we can say that food biotechnology has ethical perspective which make it controversial.

Answer:

Reactants

Explanation:

In the reaction:

             C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP

  The reaction is a metabolic reaction that produces energy from the breakdown of glucose when it reacts with oxygen.

In the reaction    C₆H₁₂O₆ and O₂ are the reactants.

These are the raw materials need for the reaction to proceed in the right direction successfully.

On the right hand side, we have the products.