which of these research topics would be considered an example of community ecology? A researcher found that the reproductive success of bumblebees decreased when the population density of honeybees increased. The decline in the number of bumblebees appeared to be a result of competition for nectar.

The lytic cycle of a virus involves the death of host cells, while the lysogenic life also involves attachment, entry and integration but it does not cause the death of host cells.

The lytic cycle and the lysogenic cycle of a virus represent different adaptive mechanisms to perpetuate that viruses have, which may involve the death of the host cell as occur in the lytic cycle.

The phases of the lytic cycle in viruses include:

The phases of the lysogenic cycle in viruses include:

The host cells die in bacteriophages after the lytic cycle, while they may survive or not (it depends on the manipulation of the hots cel's molecular machinery) after the lysogenic cycle.

Therefore, with this data, we can see that the lytic cycle and the lysogenic cycle of a virus are distinct in the sense that the lysogenic cycle does not involve the death of host cells.

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The pathologist will make a cut across the crown of the head, from the bony bump behind one ear to the bump behind the other, if a brain autopsy is necessary.

The examination of an animal after death is known as a necropsy. A necropsy is often performed to identify the cause of death or the severity of the illness. A thorough procedure of dissection, observation, interpretation, and documenting is required for this.

The term "external inspection" refers to a thorough description of the deceased's remains, including any scars, incisions, devices, tattoos, etc. The body is not cut within, and the organs are not looked at.

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Answer:

a

Explanation:

Answer: A substance that cannot be broken down into chemically simpler components is an element.

Explanation: Aluminum, which is used in soda cans, is an element. A substance that can be broken down into chemically simpler components (because it has more than one element) is a compound.

Quinn can sit up with support, Infants no longer pushes food out of her mouth with her tongue, Infants can control her own head and neck.

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The "ATP-CP" fuels the first 10 to 20 seconds of intense physical exertion. After a short period of time, when the ATP is depleted, the muscle uses a chemical known as phosphocreatine to create new ATP.

A phosphorylated form of creatine known as phosphocreatine makes up the majority of the substance in the body. By preserving the availability of adenosine triphosphate (ATP), this supplement's principal purpose is to offer a quick source of energy.

Creatine phosphate, a chemical, is one of the mechanisms through which this ATP supply is renewed (or phosphocreatine). Creatine phosphate converts a phosphate with high energy to ADP during the ATP regeneration process. Creatine and ATP are the byproducts of this process.

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Airplane models are not tested in wind tunnels to find out how airplanes deflect radiation, option D.

Agencies like NASA make use of wind testing. The wind tunnels are used extensively by the organization. NASA uses wind tunnels primarily to learn more about airplanes and how things move through the air. One of NASA's responsibilities is to improve air transportation.

Engineers uses wind tunnels to test ideas for making aircraft better and safer, material parts and aerodynamics. The test object is secured in the tunnel so that it does not move. The object could be a small vehicle model. It could be a component of a vehicle. It could be a full-size plane or a spacecraft. This method is also cheaper.

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The exact cause of ADHD is not well known, however, some of the factors, which can lead to the condition. These are as Genetic factors, as ADHD seems to run in families.  

Chemical imbalance taking place in the brain, Infections, poor nutrition, smoking, substance abuse at the time of pregnancy, and drinking.The toxins like lead can influence the development of the brain of a child.  

A brain disorder or brain injury, that is, destruction to the frontal part of the brain can result in the issues associated with ADHD. a drug that can be used to treat attention deficit hyperactivity disorder (adhd).

Therefore, The exact cause of ADHD is not well known, however, some of the factors, which can lead to the condition. These are as Genetic factors, as ADHD seems to run in families.  

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Most solar panels nowadays have an energy efficiency rating of 11 to 15%, which is the proportion of solar energy converted into usable power.

The efficiency of a solar cell is defined as the ratio of solar cell output to energy input from the sun's beams. When comparing the performance of one solar cell to another, efficiency is an indication.

Solar cells are limited by the substance from which they are produced. Today, silicon is the most extensively used material for solar cells; nevertheless, despite its success, it has a theoretical efficiency limit of around 29 percent.

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The one that is comprised of all the robust australopiths is the genus Paranthropus. Therefore, the correct answer is option C.

The robust australopiths are a group of fossil hominins that existed in Africa between 2.5 and 1.4 million years ago. There is some disagreement about their proper taxonomy, but at the moment, they are considered members of the genus Paranthropus. They are mostly found in the East and Southern Africa regions.

Some characterizations of this genus are:

Attached below is an image of the skull of the species P. boisei from the genus Paranthropus.

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Answer:

The experiment performed by Francesco Redi supports the hypothesis that fly larvae only come from adult flies based on his experiment design using a covered-meat and non-covered meat. In addition, he also believed that maggots came from the fly rather than from the rotten meat by using the same experiment design.

The percentage of the species that would be white in color is 100%. Option D

We know that the term genotype does  refer to the sum total of the genes that an organism has acquired from its parents. The phenotype has to do with the traits of an organism that are expressed.

On the other hand, we know that the phenotype of the organism would actually be produced by the known genotype of the organism. As such, one of the species is PP and the other is ww. The offspring would have the dominant genotype of the snapdragons.

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There are different types of hormones, such as peptide hormones, amino acid hormones, and protein hormones such as insulin, glycogen, epinephrine, and norepinephrine, etc.

The endocrine glands release hormones, and the hormones are different types, such as the amino acid hormones tyrosine and tryptophan, etc. The peptide hormones such as insulin, glucagon, etc. are made up of a short chain of amino acids. The thyroxine hormone is an amino acid hormone that has the receptor inside the cell, but a peptide hormone such as insulin has the receptor on the cell membrane.

Hence, there are different types of hormones, such as peptide hormones, amino acid hormones, and protein hormones.

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Maybe a shopping center was built over what was once tree-filled land - this is a secondary succession.

Maybe a park was put in where an empty lot ounces stood - this is a primary succession.

During succession, certain species' colonies expand and their populations grow, while others' populations drop and even perish. It is the methodical advancement of different sorts of organisms entering a region. Primary and secondary succession are the two basic forms of succession.

Primary succession - The process of a community's growth in an area that was formerly inhabited, barren, vacant, and where no early vegetation was discovered is known as primary succession.

Secondary succession - Secondary succession is characterized as the formation of a community in regions that were formerly populated, inhabited, and had primary vegetation but was disrupted or damaged owing to external or internal reasons.

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Answer: A.) Both parents are heterozygous for the trait.

Explanation: It says that both parents are normal but they gave birth to an afflicted daughter. This means both parents have a recessive trait. That will conclude that both parents are heterozygous. I hope this helps!

Friendly reminder: The dominant trait always takes over the recessive trait. Have a good day!

Answer:

the mouth

Explanation:

food enters the body through the mouth where it is made smaller for the stomach and esophagus by the teeth.

hope this helps ! :3

The proportion of carbon within the pattern if 0. 6006 g of baco3 was shaped

BaCO3 = 0.6006 g/ 197.34 g/mol=zero.003043

Moles carbon in the sample = 0.003043

mass C = zero.003043 mol x 12.011 g/mol=zero.03656 g

% C = 0.03656 x 100/ 0.2121 =17.23

Natural compounds are a substance that includes covalently- bonded carbon and hydrogen and often with different elements. organic compounds examples are benzoic Acid, fragrant compounds, benzoic aldehyde, propanoic acid, butanoic acid, malonic acid, amines, heterocyclic compounds, VOC, benzoic acid, and diethyl malonate.

Of the numerous forms of organic compounds, four important classes are located in all residing things: carbohydrates, lipids, proteins, and nucleic acids.

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Answer: computers.

Explanation: The database would cease to exist without the invention of computers and/or technology.

More than any other domestic species, dogs have been a part of human societies for a very long time. They best represent the function of companion animals than any other species.

The tight ties that develop between species pairs are referred to as symbiotic interactions. They take in many different shapes, including parasitism (when one species gains while the other suffers) and commensalism (where one species benefits and the other is neither harmed nor helped).

Mutualism is a sort of symbiotic association in which all of the participating species gain from one another. Even though mutualism is extremely complicated, it may be loosely divided into two different kinds of relationships. Some species are completely dependent on one another (obligate mutualism), whereas others benefit from their interaction yet might thrive separately (facultative mutualism).

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A heterozygous trait means that the allele for that particular trait have been inherited from two different biological parents.

In terms of genetics, being heterozygous means having inherited various alleles (variations) of a certain genomic marker from each biological parent. For instance, having one allele for red hair and one allele for brown hair could indicate that you are heterozygous for hair color. Which traits are expressed depends on how the two alleles are related.

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The eustachian tube generally maintain the pressure so that the tympanic membrane can vibrate properly.

The eustachian tube is a connection among the center ear and the lower back of the nostril and top throat. Swallowing or yawning opens the eustachian tube and permits air to circulate or out of the center ear.

This allows equalize strain on both aspect of the ear drum. The motive of the Eustachian tube is to offer sparkling air to the center ear area and to equalize strain among the outer ear and the center ear.

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HIV belongs to retroviruses. HIV-1 is the common type of Human Immunodeficiency Virus that attacks immune system of the body and the virus destroys CD4 cells.

Human immunodeficiency virus is divided into : HIV-1 and HIV-2. HIV-1 was discovered first and is more prevalent whereas HIV-2 is less pathogenic and mostly confined to West Africa.

HIV-1 severely damages the immune system and leads to Acquired Immune Deficiency Syndrome (AIDS).

HIV is a retrovirus, which means that it carries single-stranded RNA as its genetic material rather than double-stranded DNA that human cells carry. Retroviruses have the enzyme reverse transcriptase, which allows it to copy RNA into DNA and use that DNA copy to infect human or host cells.

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Somatic is a efferent pathway has a single nerve fiber extending from the CNS to effector.

The nerves that travel to and from the spinal cord and transmit signals to and from the muscles and senses are collectively referred to as the somatic nervous system (SNS). Efferent routes, which control motor functions involved in movement of the body and limbs, typically transmit information from the spinal cord to the muscles.

Axonal projections that leave a region are referred to as efferent nerve fibers, as opposed to axonal projections that enter the region. In the context of the central nervous system (CNS) and peripheral nervous system (PNS), these terms have a slightly different meaning.

Hence, somatic is a efferent pathway of a single nerve fiber.

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Somatic is an efferent pathway with a single nerve fiber extending from the CNS to the effector.

The nerves that enter and leave the spinal cord and carry signals to and from muscles and sensations are collectively called the somatic nervous system (SNS). Efferent pathways, which control the motor functions involved in body and limb movements, normally transmit information from the spinal cord to the muscles. Axonal projections exiting a region are called efferent nerve fibers, as opposed to axonal projections entering a region. It is associated with the central nervous system (CNS). and peripheral nervous system “PNS.” These terms have slightly different meanings.

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Macromolecules contain infinite amounts of energy. Animals that use to hibernate in the winter relies on fats . Fat will break down over a longer period of time than carbohydrates and helps the animal to survive during winters.

For hibernation , animals need to stuff themselves with food as many as possible. Eating more food than usual, helps animal to build up extra layers of fat.

During the process of hibernation, the animal's body will feed on this fat to keep itself alive. These Extra amount of fat can also helps the animal to stay warm when they are not moving. The brown fat forms patches near the animal's brain, heart and lungs and white fats are present in rest of their body .

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The process by which instructions present in DNA are converted into proteins is called gene expression.

The term refers to the total number of genes inherited from a parent so that her one gene contains much of the information for building the proteins and hormones necessary for human growth. Gene expression is a term used to describe the transfer of instructions from DNA to proteins. This is a major process that helps the human body adapt to changing environments. It is the main factor controlling and regulating protein production. Transcription and translation steps are involved in the protein production process. Parents' traits, such as blood type and eye color, are passed on to their children. These are inherited through genes. It also transmits some diseases. Genes contain information about the amount of hormones and proteins produced by gene expression.

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Answer:

Which plant tissue is responsible for the transport of blue water to the flower? ANSWER: ( A ) Xylem

Explanation:

The xylem is a plant vascular tissue that conveys water and dissolves minerals, from the roots to the remaining of the plant, The Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements. Their main role is in the transportation of food.

As a trophic level moves up an ecosystem, its energy content decreases. Only 10% of the energy at any given trophic level is transferred to the next level; the remaining 90% is primarily lost as heat during metabolic processes.

The passage of matter and energy from one organism to another in the context of ecology is known as the food chain. Food chains locally entangle to form a food web because most species consume more than one sort of animal or plant. Since plants convert solar energy into food through photosynthesis, they are the world's primary source of food. In a predator chain, a flesh-eating animal eats a plant-eating species. In a chain of parasites, a smaller organism consumes a larger host in part and may even turn into a parasite on itself. A saprophytic chain of microorganisms relies on dead organic materials for food.

Thus from above conclusion we can say that as a trophic level moves up an ecosystem, its energy content decreases. Only 10% of the energy at any given trophic level is transferred to the next level; the remaining 90% is primarily lost as heat during metabolic processes.

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In the past, decreasing fertility rates were associated with decreasing poverty levels is true.

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