An organization of events in chronological sequence is called a chronology.
It is a system that also establishes the moment at which specific events take place. In other terms, chronology is the order of events according to the time they took place.
The times at which events occurred and the sequence in which they occurred make up an event's chronology.
Example: Friday night is the night of the rehearsal dinner. We are hope that many of the visitors would then assist in cleaning up the area in preparation for tomorrow's wedding. Explanation: The word "afterward" highlights a timeline of events in these sentences.
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Honey bees are one of several insect species that pollinate the crops that humans depend on for food. Currently, populations of these bees all over the world are declining rapidly. This decline threatens to cause a severe loss to both the crops humans grow for food and the overall biodiversity of plants on Earth. Which of the following would be the best solution to the problem of declining bee populations?
Explanation:
Bees are declining at alarming rates in some ecosystems. Which of the following would be a loss of an ecosystem service due to bee declines? The declines in abundance could cause extinctions of bee species or genotypes. Bees pollinate plants, so declines could cause declines in native plant abundances. Bees pollinate many crops, so declines could reduce agricultural production. Bees have many predators, so declines could affect their consumers. Bee declines could cause losses of microbial species not yet known to science.
The declines in abundance could cause extinctions of bee species or genotypes. Bees pollinate plants, so declines could cause declines in native plant abundances.
What do you mean by genotypes?The genotype of an organism is its complete set of genetic material. Genotype can also be used to refer to the alleles or variants an individual carries in a particular gene or genetic location.
A genotype is a scoring of the type of variant present at a given location (i.e., a locus) in the genome. It can be represented by symbols. For example, BB, Bb, bb could be used to represent a given variant in a gene.
The different types of genotypes are- homozygous recessive (pp), homozygous dominant (PP), and heterozygous (Pp). The homozygous dominant and the heterozygous genotypes show the same phenotypes.
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Which part of the neuron transmits signals to other neurons, glands, or muscle cells?
a.)
Cell body
b.)
Axon endings
c.)
Dendrites
d.)
Trigger zone
Answer: B, axon endings. :)
Explanation:
Explain the relationship between structure and function of the placenta
Answer:
Its principal function is to supply the fetus, and in particular, the fetal brain, with oxygen and nutrients. The placenta is structurally adapted to achieve this, possessing a large surface area for exchange and a thin interhaemal membrane separating the maternal and fetal circulations.
Explanation:
I hope it helps
Which is a better estimate for the weight of an earthworm?
3 grams
Submit
3 kilograms
Answer:3 grams
Explanation:
Morphology is the study of the ___
Answer:
Answer: The correct answer is-
Morphology is a branch of biology that deals with the study of various morphological forms/ structures of living organisms.
It is related to specific features/ traits of organisms. There can be various aspects that depicts the external appearance ( also called phenotype) of the organism ( for instance, shape, height, specific pattern etc).
Examples of morphological traits-
Round and wrinkled shape of seeds of pea plant.
Tall and dwarf height of pea plant.
Yellow and green shape of pea seed.
Explanation:
Answer: the form and structure of organisms with relationships between their structures.
Explanation:
What is the correct order of events in mitosis ?
Prophase, prometaphase, metaphase, anaphase, and telophase should occur in that order during mitosis.
Explain about the mitosis?When a parent cell divides into two identical daughter cells, a process known as mitosis, which involves nuclear division, takes place. Mitosis during cell division specifically refers to the division of the duplicated genetic material carried in the nucleus.
These are the phases of mitosis: In prophase, the chromosomes get shorter and thicker. In the middle of the cell, during the metaphase, the chromosomes align. Chromatids separate during the anaphase process and travel to the opposing poles. Two nuclei are created during telophase when nuclear envelopes have reformed around each set of chromosomes.
The process of mitosis involves the division of the parent cell into two daughter cells once the nucleus of a eukaryotic cell divides in two. The meaning of the word "mitosis," which is "threads," alludes to the chromosomes' appearance as threads.
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How does water pollution affect orcas?
Water pollution affects orcas by increasing the risk of nutritional stress.
Pollution is the introduction of dangerous materials into the environment. Those harmful materials are referred to as pollutants. Pollutants can be herbal, which includes volcanic ash. They also can be created via a human pastime, such as trash or runoff produced by factories.
Most of the people of that pollution are emitted through human activities like burning fossil fuels, automobile exhaust fumes, and emissions from agriculture and enterprise.
Decreasing adulterants inside the air are critical for human fitness and the environment. Bad air excellent has dangerous outcomes on human health, particularly the breathing and cardiovascular structures. Pollution also can harm flora and buildings, and smoke or haze can reduce visibility.
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What can you do to help protect your body from non infectious diseases?
In order to help protect your body from noninfectious diseases, you should take a healthy diet and engage in physical activities.
Non-infectious diseases can be described as those diseases that are not caused by any infectious agent.
In order to prevent non-infectious diseases and stay healthy, a person needs to eat food that promotes the wellness of the body. He should consume vegetables, and fruits and avoid sugary and fatty foods.
A person who intends to be safe from non-infectious diseases and wants to stay fit should exercise regularly so that his metabolic activities are boosted. Aldo, around eight glasses of water should be consumed in a day.
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Which would be the most appropriate way to represent a prominence in a model of the sun?
(1 point)
O a loop of wire extending from the sun's surface
O a feather extending away from the sun's surface
a layer of smoke on the sun's surface
O a dark spot on the sun's surface
The most appropriate way to represent a prominence in a model of the sun is using a layer of smoke on the sun's surface.
The correct option is C.
What is prominence in the sun?A prominence in the sun also known as a filament when viewed against the solar disk is described as a large, bright feature extending outward from the Sun's surface.
Prominences are anchored to the Sun's surface in the photosphere, and extend outwards into the Sun's hot outer atmosphere, called the corona.
The appearance of the prominence of the sun is either as a flame-colored projections when the disk of the Sun is in total eclipse or as dark ribbons when viewed through a spectroscope.
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how are the different layers of the atmosphere determined?
Answer:
based on the temperature of the layers and how far away they are from earth (or any planet with an atmosphere)
Explanation:
the different layers have a series of different temperatures that helps us differentiate them. for example, the farthest atmospheric layer from earth is the hottest because it is closest to the sun, and the layer closest to earth is the coolest because it is farthest from the sun.
when a new mutation occurs in a somatic cell of a sexually reproducing organism what percentage
when a new mutation occurs in a somatic cell of a sexually reproducing organism It will not pass on to future generations. The offspring are formed by germ line cells, not somatic cells.
Inheritance is the process by which genes are passed down from one parent to another. As a result, children share some traits with their parents. There are two types of cells in animals: the germline cell and the somatic cell.
The somatic cell is everywhere in the body and has no effect on inheritance. The reproductive organ's germ line cells undergo meiosis, forming gametes that produce offspring.
As a result, no children will inherit the somatic cell mutation.
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(Complete question)
when a new mutation occurs in a somatic cell of a sexually reproducing organism, what percentage of the individual's offspring are likely to inherit the mutation?
What are the 7 Types of asexual reproduction in plants?
The 7 types of asexual reproduction include binary fission, budding, vegetative propagation, spore formation (sporogenesis), fragmentation, parthenogenesis, as well as apomixis.
Without the creation of seeds, asexual reproduction produces new plants. sprouting of new plants. Asexual reproduction of this kind creates new plants from the roots, stems, leaves, and buds. Vegetative propagation refers to reproduction that occurs through a plant's vegetative components. The vegetative components of plants, such as their leaves, roots, stems, and buds, are used for asexual reproduction. Vegetative propagation is what this is known as.
Examples of plants that reproduce by vegetative propagation include potato tubers, onion bulbs, runners, stolons, etc. In most cases, single-celled organisms exhibit this kind of reproduction.
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what is maximum heart rate
Your heart can beat as fast as possible when it is under intense stress, or at its maximum heart rate (physical or otherwise). The maximum heart rate is indicated by the number of beats per minute.
Our maximum heart rate can be calculated based on our age. Subtract a person's age from 220 to determine their maximal age-related heart rate. The maximum heart rate is indicated by the number of beats per minute. This method is frequently used to determine a person's maximum heart rate. This approach is less accurate than the HRmax Calculator.
Example:
The estimated age-related heart rate for a 55-year-old person is calculated as follows:
220 minus 55, or 165 beats per minute, is the maximum heart rate ( bpm)
Knowing your maximal heart rate may make it easier for you to establish a target heart rate and track your fitness development.
This can offer a more precise method of determining your workout intensity compared to using your perceived exertion.
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Can malaria be treated with antibiotics? Explain your answer
No, malaria can not be treated with antibiotics because this disease is caused by different protozoa species of the genus Plasmodium such as P falciparum and P malariae, while antibiotics are medicines used to treat bacterial infections.
What is an antibiotic medical drug?An antibiotic is a medical drug used to fight against bacterial infections, which are diseases caused by prokaryotic organisms such as E coli or Streptococcus pneumoniae.
These drugs (antibiotic medical drugs) are able to inhibit the growth and or reproduction of bacteria in the human body, while malaria is caused by a parasitic protozoan, which is a eukaryotic microorganism.
Therefore, with this data, we can see that antibiotic medical drugs are used to remove from the body infections caused by bacteria in opposition to malaria which is a parasitic protozoan, i.e. an eukaryotic microorganism instead of a prokaryotic bacterium.
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What are X-ray safety precautions?
Steer clear of the main X-ray beam. Put on safety gear. When feasible, shielding should be used. must position oneself and the machine to deliver the least amount of radiation.
ALARA stands for abstaining from radiation, especially at low doses, that does not directly benefit you. Time, distance, & shielding are the three fundamental x-ray radiation safety precautions that may be used in this situation. Heat has an impact on film packages that are still sealed; heat and humidity have an impact on packages that are open. Store all packets in a cool, dry location between 50° & 75°F (10° to 24°C) and keep them away from heat sources. Film should be stored in unsealed containers once at relative humidity of 30 to 50 percent. Put the patient in a thyroid collar or a protective apron. Reduce x-ray radiation exposure to the patient by using rectangular collimation.
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what is the role of combustion in the carbon cycle
Combustion is an organic material reaction to burning in the presence of oxygen. It is the process of conversion to the carbon cycle.
The earth must sustain its current level of carbon. The carbon cycle keeps this going.
Plants use the carbon from the atmosphere, which is then passed to mammals. Carbon dioxide is released into the atmosphere when animals breathe.
Additionally, after spending a long time in the soil, plants and animals perish and turn into fossil fuels. The carbon dioxide in the atmosphere is then released once they are burned.
Due to the massive amount of fossil fuels burned, a level of carbon dioxide that is above normal is released.
This is causing many respiratory disorders and ocean acidification.
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The main components of what depends on the center of volume of the human body?
The center of gravity in your body serves as its equilibrium point. It's where the weight of your upper and lower bodies are equal.
Where does the human body's center lie?The geometric center of a person, which is just below the belly button, is where the center of mass of an individual is located. The centers of mass of males and females are different; the female centers of mass are lower.
The center of gravity in your body serves as its equilibrium point. It's where the weight of your upper and lower bodies are equal. When a woman is standing straight, this is typically just below the belly button and halfway between the lower back and belly. It is just above the belly button for men.
The gender and location of the limbs affect the center of mass of the human body. It is normally located towards the top of the hip bones, roughly 10 cm below the navel while standing.
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why are genes important
Your cells receive instructions from genes on how to function and develop.
DNA, which governs how an organism functions, looks, survives, and interacts with its environment, is made up of genes. All living things possess genes, which also influence a person's health over the course of their lifetime. There are varying numbers of genes in various organisms. Approximately 30,000 trusted Source genes make up the human genome, which is made up of all human genes. Across their whole human genome, all humans are 99.9% similar, with just tiny genetic variations causing obvious physical distinctions.
Hence, gene are biological information for structural and functional role
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5. Ayanna and Zoe are measuring the speed of a snail. Which units would be most
appropriate for measuring this quantity?
A. miles per hour
B. minutes per millimeter
C.
D.
meters per second
millimeters per minute
Considering the distance traveled by the snail per unit time, the most
appropriate for measuring the speed is millimeters per minute; option D.
What is speed?Speed is the rate at which a given distance is covered by a moving body.
Speed is the ratio of the distance traveled and the time taken.
Speed = distance covered / time taken
Considering the unit for the measurement of the speed of a snail
The distance covered by a snail is very small compared to the time taken, hence, an appropriate unit for the speed of a snail will be millimeters per minute.
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15) Which one of the following substances is produced during anaerobic respiration?
A) Oxygen
B) Glucose
C) Alcohol
D) Water
It is found that in cha-cha chickens, the allele for a double comb (A) is dominant to the allele for a single comb (a). A mother with the genotype Aa and a father with the genotype Aa produces an offspring.
What is the percent chance that the offspring will have a single comb?
A. 25
B. 100
C. 0
D. 75
E. 50
If a mother with genotype Aa and a father with genotype Aa produce an offspring, then the percent chance that the offspring will have a single comb is 25 (Option A).
What is a recessive trait?A recessive trait is a given phenotypic feature that depends on alleles that are masked by the dominant allele in heterozygous individuals, which are known to produce a 3:1 ratio in a hybrid cross.
Therefore, with this data, we can see that the recessive traits generate a 3:1 phenotype ratio in heterozygous dihybrid genetic crosses.
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What is the disadvantage of fragmentation?
The main disadvantage of fragmentation is the loss of biodiversity. Asexual reproduction is performed by a single parent, and as a result, only its traits, genes, and characteristics are passed down to the next generation organisms.
Fragmentation is a type of asexual reproduction as well as culturing whereby a microbe has been segmented into shards in multi - cellular or colonisation organisms. Each of the fragments gets older in to the mature adults which are exact copies of the original organism.As a result, As habitats fragment, the remaining habitat patches (core areas) may become too small to support species that require a large area to survive. As a result, while some suitable habitat may remain, it may not be large enough to support all of the species associated with that habitat type. Memory blocks are never used. Biodiversity refers to the variety of life that can be found in a given area, including animals, plants, fungi, and even microorganisms such as bacteria.
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the most abundant greenhouse gas in earth's atmosphere is ______.
The most abundant greenhouse gas in the earth's atmosphere is water vapor, which acts by trapping solar radiation.
What is a greenhouse gas in the atmosphere?A greenhouse gas in the atmosphere is any type of compound in a gaseous state in the air that is able to trap the radiation from the sun and thus increase the temperature, such as occurs with carbon dioxide.
Therefore, with this data, we can see that greenhouse gases in the atmosphere are able to trap radiation and thus increase the temperature of the planet in an irreversible way.
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Help
Viruses, bacteria, fungi, and parasites are all different types of infectious agents that may cause disease. What do these agents have in common?
A. They can all be spread from one organism to another.
B. They can all be treated with an antibiotic.
C. They can all be prevented with a vaccine.
D. all of these
What causes cell differentiation ?
Gene expression changes cause cell differentiation.
Cell differentiation is the process by which undifferentiated embryonic cells become specialized cells. This happens as a result of a process known as gene expression.
Gene expression refers to the specific combination of genes that are turned on or off (expressed or repressed), and it determines how a cell functions. Gene expression is triggered by signals in your body, both inside and outside of your cells.
Gene expression refers to the process by which information from a gene is used to build the structures of a cell. Because RNA translates and transcribes the DNA code into proteins (cell structures), it also aids in cell differentiation.
Gene expression is a tightly controlled process that allows a cell to respond to changes in its surroundings. It functions as an on/off switch to control when proteins are produced as well as a volume control to increase or decrease the amount of proteins produced.
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Which of the following
describes fungi?
A. multicellular pathogen that lives in the
intestinal tract of host to absorb nutrients
B. multicellular organism that usually is found
on the surface of skin and warm, moist, and
dark places
C. single-celled eukaryotes that are usually
found in contaminated water or insect bites
D. living, single celled organism that are the
most common pathogen and can be treated
with antibiotics
Eukaryotic, non-vascular, immobile, heterotrophic creatures are fungi. They could be filamentous or unicellular. They spread spores to reproduce.
Thus, the correct option is C.
What is Fungi?
Along with plants, mammals, protozoa, and Monera, the kingdom Fungi includes fungi as a form of eukaryotic life.
The variety of fungi is astounding, and some of the most typical types include yeast, molds, truffles, and mushrooms.
Eukaryotic creatures known as fungi include yeasts, molds, and mushrooms as well as other microbes. These organisms fall under the category of fungus.
They are heterotrophic by nature since they are achlorophyllous. Glycogen and oil bodies are the forms in which they store food.
They create distinctive asexual and sexual spores. Rhizopus is one example. Some mushrooms spread their spores via the air to reproduce.
The spores may drop on you or may be inhaled by you. Fungal infections thus frequently begin on the skin or in the lungs.
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What are the 4 steps of protein synthesis?
The 4 steps of protein synthesis are: transcription, pre-translational modification, translation, and post-translational modification.
In the first step of protein synthesis, the information in the DNA is transcribed into coded form in the mRNA. This process is called as transcription.
The second step is the pre-translational modification. In this process, the introns are removed from the pre-mRNA transcripts.
The third step is the process of translation. During this process, information from mRNA is decoded into amino acids that join to form proteins.
The last step of protein synthesis is post-translational modification. During this process, chemical modifications to the proteins are done so that they can be transported outside the cell where they are made.
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What factors influence the quantity of saliva secreted during meal?
Answer:
Copious watery saliva is secreted in response to parasympathetic stimulation and thicker saliva in response to sympathetic stimulation. Other factors affecting saliva composition are flow rate, circadian rhythm, duration of stimulus, nature of stimulus and diet.
When the parasympathetic nervous system is stimulated, copious watery saliva is secreted, and when the sympathetic nervous system is stimulated, thicker saliva is secreted.
In addition to flow rate, circadian rhythm, stimulus duration, stimulus nature, and diet, saliva composition is also affected by flow rate and circadian rhythm.
In sleep, major salivary glands secrete very little saliva, and the majority of saliva is secreted by minor salivary glands. Saliva concentration is determined by the rate of flow, not stimulus type.
The daily normal production of saliva with or without food is between 0.5 and 1.5 liters. The whole unstimulated saliva flow rate is approximately 0.3-0.4 ml/min. It decreases to 0.1 ml/min during sleep and increases to 4, 0-5, 0 ml/min during eating, chewing, and other stimulating activities.
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What are the 3 types of symptoms called with schizophrenia?
Schizophrenia may result in some combination of hallucinations, delusions, and extremely disordered thinking and behavior that impairs daily functioning, and can be disabling.
Schizophrenia may include hallucinations, delusions, and severely irrational thinking and behavior, which can make it difficult to go about daily activities and be incapacitating. Schizophrenia patients require ongoing care.
Two categories of schizophrenia symptoms are referred to in medicine as positive and negative symptoms. Add positive symptoms. Hallucinations (illusory experiences), delusions (impossible-to-believe ideas), and uncontrollably repetitive motions are examples of positive symptoms.
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One or two countries reducing their CFC emissions will not be enough to stop ozone depletion globally. What do you think the countries of the world should do to reduce CFC emissions?
All the countries of the world need to lower their emission rates in order to reduce CFC emissions globally.
What are CFCs?CFCs is an acronym for chlorofluorocarbons, a group of non-toxic gases consisting of atoms of chlorine, fluorine, and carbon.
The compounds are found artificially in products like aerosol sprays, old refrigerants, and many other man-made products invented to make life generally better for humans. The gases are considered generally safe and unreactive in lower atmospheres down here.
In the stratosphere, however, CFCs are highly reactive. They undergo photolytic decomposition, a process that is largely catalyzed by the availability of UV light in the stratosphere. When this happens, chlorine molecules are released.
The free chlorine molecules react with the protective ozone layer and as a result, the ozone layer gradually gets destroyed. A single chlorine molecule can react with 100,000 ozone molecules.
Thus, in order to protect the ozone layer by reducing the emission of CFCs, all the countries in the world need to put their hands on deck. The whole world shares a single atmosphere. Thus, CFCs released in one part of the world eventually circulate to every part of the world.
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