What is a population?
A. a group of organisms of different species interacting with each other and the environment
B. a single separate organisms separate from others of the same kind interacting with it's environmment
C.all the organisms of the same species who live in a specific environment and are capable of interbreeding.
D.a group of organisms and the non-living components interacting as a system
Answers
Answer:
What is population?
A group of organisms of different species interacting with each other and the environment is called populatin.
Related Questions
How do salmon that escape predators still nourish life?
Answers
Answer:
by hiding and never getting seen and staying cautious
Explanation:
What is the period of an ocean wave?
OA. The time it takes for two successive crests to pass a stationary
point
OB. The time it takes for one crest and the following trough to pass a
stationary point
OC. The distance between a crest and a trough
OD. The distance between two successive crests
Answers
The period of an ocean wave is option A. The time it takes for two successive crests to pass a stationary point.
The time period T is the time it takes one wavelength or two consecutive troughs (or crests or another wave reference factor) to bypass by using a fixed position.
A wave is a propagating dynamic disturbance of 1 or greater quantities. Waves can be periodic, in which case those quantities oscillate again and again about an equilibrium fee at a few frequencies. A wave is a disturbance in a medium that carries energy without a net motion of particles. it is able to take the shape of elastic deformation, a version of pressure, electric powered or magnetic intensity, electric ability, or temperature.
The period of a wave can be measured with the aid of selecting any time on the graph to be the initial time, and the time it takes to return to that position at the same time as heading inside the same route as the very last time.
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What do you call the equipment or technology used through to identify the age of this fossil fuels
Answers
Answer:There are three types of fossil fuels which can all be used for energy provision; coal, oil and natural gas. Coal is a solid fossil fuel formed over millions of years by decay of land vegetation. When layers are compacted and heated over time, deposits are turned into coal.
Explanation:
Item 16A scientist has just finished collecting data on the feeding habits of a certain species of ant.Which parts of a scientific process should the scientist undertake next?The scientist should make conclusions.The scientist should form a hypothesis.The scientist should communicate the results.The scientist should analyze the data.
Answers
There are four crucial steps in the scientific method. These steps are (1) Observations and Questions, (2) Hypothesis, (3) Experimentation, and (4) Analysis of the Results and Making Conclusions. The steps are done chronologically. So after the scientist collected the data on the feeding habits of the ants, the next step will be to analyze the results and make conclusions.
ANSWER: The scientist should analyze the data.
how many bones are there in a human body
Answers
Answer: 206 bones
Explanation:
Are the following statements a form of Active or Passive Transport?
Gas moves from one corner of a room to be evenly distributed across the whole room
Chlorine Ions are moved from an area of low concentration to high concentration
No ATP is used for transport
Passive Transport
Energy is used
Water moves from an area of low concentration to high concentration
Carrier proteins allow large molecules to move down their concentration gradient
Glucose is allowed to come into the cell with sodium after the cell has used energy to push sodium outside
Answers
Gas moves from one corner of a room to be evenly distributed across the whole room - Passive Transport
Chlorine Ions are moved from an area of low concentration to high concentration - Active Transport
No ATP is used for transport - Passive Transport
Water moves from an area of low concentration to high concentration - Passive Transport
Carrier proteins allow large molecules to move down their concentration gradient - Passive Transport
Glucose is allowed to come into the cell with sodium after the cell has used energy to push sodium outside - Secondary Active Transport (also known as Coupled Transport)
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Case Study: Young Woman with Abnormal Thyroid Function TestsAmit Akirov, MDA 36-year-old woman with a past medical history of fibromyalgia presented to her general physician for a regular check-up. The patient reported that her mother was recently diagnosed with hypothyroidism and requested that her scheduled blood work include thyroid function tests. The patient said she has been well; even her symptoms related to fibromyalgia had been under control. Her only complaint was some hair loss, but it had slightly improved since she began using over-the-counter supplements 3 months before her appointment.On physical examination, the patient appeared to be healthy: her vital signs were normal, there was no evidence of thyroid eye disease, tremor, or tachycardia; and her thyroid gland was not enlarged. Blood work completed the same day revealed normal complete blood count and liver and kidney function tests, but thyroid-stimulating hormone (TSH) was low, measuring 0.02 µIU/mL (reference range, 0.4-4.6 mIU/L). Free thyroxine (T4) was measured at 24 pmol/L (reference range, 10-19 pmol/L), and free triiodothyronine (T3) was measured at 7.1 pmol/L (reference range, 3.5-6.5 pmol/L). After review of her previous laboratory tests, it was found that her thyroid function tests, including TSH and free T4 levels, were previously normal on several occasions.In a follow-up visit, the patient denied recent pregnancy, iodine exposure, neck pain or fever, recent acute illness, and symptoms of thyrotoxicosis. In addition, she denied receiving any new medication, specifically amiodarone or lithium.Questions to consider:What was the patient's concern when she met the doctor?What were the results of the patient's physical exam and blood work?What are at least 3 key statements made by the patient about herself?What are the findings of the thyroid function tests? Were the findings consistent with her previous thyroid tests?What is the name of the disease is the patient referring to when she said her mother had hypothyroidism?What do you think is the appropriate next step; explain your answer?Schedule a thyroid scan and a neck ultrasoundStart treatment for Grave's disease with metoprololStop all supplements and repeat thyroid function tests in a week.
Answers
Here we have prepared a nursing care plan for a patient with normal levels of TSH, T4, and triiodothyronine and specially focused on the adverse effect of amiodarone or lithium.
1. History of weight loss diarrhea insomnia emotional lability palpitations, and heat intolerance. Eyes for exophthalmos, tearing, and sensitivity to light.Neck palpation for the enlarged thyroid gland.Weight and vital signs to establish a baseline.
2. Planning/ Implementation Establish a climate for uninterrupted rest to provide a relaxing calm environment. Protect from stress-producing situations. Keep the room cool. Provide a diet high in calories, proteins, and carbohydrates with supplemental feedings between meals and at bedtime vitamin and mineral supplements as prescribed. Understand that client is upset by the lability of mood and exaggerated response to environmental stimuli explain the disease processes involved avoid rushing and surprises and prepare the client for procedures. Protect eyes.
3. Evaluation Maintain ideal body weight. Establishes regular routine of activity and rest.
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mention four method of vegetative propagation
Answers
Methods of vegetative propagation include cutting, grafting, layering, division, sprouting, etc.
Vegetative propagation is a method of plant propagation that uses vegetative structures such as stems, roots and leaves to create new plants without the need for seeds. There are several methods of vegetative propagation, each suitable for different plant species and desired results. Here are some commonly used methods:
1. Cutting: This involves taking part of the stem or root of the mother plant and placing it in a suitable growing medium. Cuttings develop roots that eventually grow into new plants.
2. Layering: In this method, the plant's branches and stems are bent and partially buried in the ground. Roots develop from the buried part, and when they take root, they are separated from the mother plant and a new individual is formed.
3. Grafting: This technique involves joining the tissues of two different plants, the shoot (the plant of interest) and the rootstock (which provides the root system and support). Two plant tissues fuse and the shoot grows into a new plant with the desired plant characteristics.
4. Sprouting: Similar to grafting, sprouting involves attaching the shoots of the desired plant to a rootstock. New shoots develop from the shoots with the desired plant characteristics.
5. Tissue culture: This is a laboratory-based method of culturing plant cells or tissues in a nutrient-rich medium under controlled conditions. Cells divide and differentiate into whole plants and can be transferred to soil.
These vegetative propagation methods are widely used in horticulture and agriculture to propagate plants with desirable traits or to propagate plants that do not produce viable seeds.
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why is a floating ice layer important to aquatic organisms?
Answers
Answer:
It helps life survive on Earth.
Explanation:
Since water ice floats, it helps life survive on Earth. This ice layer insulates the water below it, allowing it to stay liquid, which allows the life within it to survive. If ice sank, the liquid water on top would also freeze and sink, until all the liquid water became frozen.
What should a food worker do too prevent chemical hazards from contaminating food
A. Wear gloves when working with ready-to-eat foods
B. Remove pits from cherries and immediately discard them
C. Store cleaning solutions in a utility closet away from food
D. Clean and sanitize cutting boards after cutting raw chicken
Answers
Answer:
i think (C.) Store cleaning solutions in a utility closet away from food
is the most important one
A biologist explored a remote island and discovered a new living organism. After several observations were made of the
organism, the biologist claimed that it was a vascular plant. His notes are listed below.
"I have found a new organism during my explorations. The organism was found low to the ground and is green. Based on
experiments, the organism seems to require sunlight to survive. Small, oval seeds were
found on the organism; they grew
into identical organisms when put in the soil. The organism had sharp spikes around the main body, most likely for
protection. The organism was able to absorb water from the surrounding soil. It was also observed that the organism used
specialized veins to carry water throughout its body. Based on these observations and experiments, I have determined that
this organism is a vascular plant."
Which of the following observations LEAST supports his claim?
A)
The organism is low to the ground.
B)
The organism reproduces with seeds.
The organism requires sunlight.
D)
The organism was able to transport water through specialized veins.
Answers
Answer:
The organism requires sunlight.
Explanation:
Hooke made scientific advancements that revolutionized our understanding of the basic building blocks of life.
Answers
why there is no production of cotton in kashmir
Answers
Answer:
Cotton seems to have been cultivated in Kashmir till the early years of the 20th century, but the cultivation was discontinued perhaps because of economic non-viability.
Explanation:
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Which statement about the genetic code is false?
A. There is no punctuation or spacing between codons.
B. Codons are composed of sets of three nucleotides.
C. Every amino acid is specified by a single codon.
D. The genetic code is almost universal, but not quite.
Answers
Step by step explaintion:
trust me i’m right lol
The statement 'every amino acid is specified by a single codon' about the genetic code is FALSE (Option C).
The genetic code refers to the process by which the heritable information is passed from the DNA sequence to RNA during transcription, and then from RNA to protein during translation.The genetic code is said to be redundant because there are amino acids that can be encoded by more than one codon.For example, the amino acid leucine can be specified by four different codons (CUU, CUC, CUA, and CUG).In conclusion, the statement 'every amino acid is specified by a single codon' about the genetic code is FALSE (Option C).
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what is an example of environmental mutation?
Answers
Answer:
Radiation is a type of environmental mutagen. It can cause cells to re arrange. There are many examples of radiation in our environment.
different between qualitative and
quantitative
Answers
Answer:
In a nutshell, qualitative research generates “textual data”
Explanation:
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What would be the most likely result if humans stopped burning fossil fuels?
A. Greenhouse gases levels would decrease
B. The polar ice caps would melt more quickly
C. There would be less oxygen in the atmosphere
D. Global warming would increase
Answers
Answer:
A. Greenhouse gases levels would decrease.
Explanation:
Hope this helps!
Answer:
A. Greenhouse gases levels would decrease
Explanation:
Burning fossil fuels like coal, oil and natural gas for energy releases greenhouse gases like carbon dioxide and methane into the atmosphere. These greenhouse gases contribute to global warming by trapping heat in the atmosphere. If humans stopped burning fossil fuels, it would dramatically reduce the amount of new greenhouse gases being emitted. This would allow atmospheric greenhouse gas levels to gradually decrease over time as natural processes absorbed some of the excess gases.
The other answers are not likely results:
B. The polar ice caps would melt more quickly - Stopping fossil fuel combustion would actually help slow the melting of polar ice caps by reducing global warming.
C. There would be less oxygen in the atmosphere - Fossil fuel combustion does not significantly impact atmospheric oxygen levels.
D. Global warming would increase - Ending fossil fuel use would lead to less global warming in the long run by reducing greenhouse gas emissions.
So in summary, the most immediate and likely result of humans stopping fossil fuel combustion would be decreasing levels of greenhouse gases in the atmosphere, as option A states. This would then help slow climate change impacts like polar ice melting.
Why is photosynthesis is essential to life on earth
Answers
Answer:
Without photosynthesis, the carbon cycle could not occur, life would not survive and plants would die.
Hope this helps!
looking for a tutor who can help me with life science grade 11 quick
Answers
2.4.1
A. Ants are insects ,and insects belong to the phylum Arthropoda.
B. Sponges are the members of the phylum Porifera.
C. tapeworms are from the flatworm phylum, i.e. Platyhelminthes.
2.4.2
Ants have bilateral symmetry, such symmetry implies that the animal has a single plane of symmetry, the sagittal plane, which divides it into two mirror images.
2.4.3
With this symmetry, two axes of polarity are defined: the anterior-posterior (AP) axis and the dorsal-ventral axis. The definition of an AP axis is particularly useful for locomotion, because it determines a direction in which the animal can move allows streamlining to reduce drag.
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How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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What type of weak bond occurs when atoms and molecules are temporarily attracted to each other by virtue of their proximity and
charge
Answers
The weak bonds that occur when atoms and molecules are temporarily attracted to each other by virtue of their proximity and charge are Vander Waal forces.
What are Vander Waal forces?Van der Waals forces are weak forces that keep electrically neutral molecules together. At some point, these molecules have an induced dipole, which means they have a partially positive and partially negative charge for a brief period of time, leading them to attract one other.
They are forces of Van de Waals: The movement of electrons causes dispersion forces between non-polar molecules (union between atoms of the same element or between atoms with very little electronegativity difference).
Therefore, Vander Waal forces are the weak bonds formed when atoms and molecules are temporarily attracted to each other due to their proximity and charge.
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Two dogs mate and produce a the same breed puppy. This is an example of___.
Answers
Answer:
are you talking about cross breed?
Sometimes patients with Dementia experience the inability to complete tasks.
Simple tasks such as getting dressed, brushing teeth, and eating become
overwhelming. This inability to perform familiar tasks is?
Forgetfulness
Agnosia
Apraxia
Delusions
Answers
Apraxia is the inability to carry out routine duties as they are explained in the context.
A neurological illness known as apraxia is characterised by the loss or impairment of the capacity to carry out or execute skilled or deliberate motions, even though the affected person is physically capable of doing so.
Apraxia in dementia patients might show itself as trouble with once-routine and familiar daily tasks like dressing, grooming, or eating. In contrast to other cognitive symptoms of dementia such as forgetfulness, agnosia (loss of sensory perception), and delusions, which are not explicitly connected to the inability to perform tasks, apraxia is separate from these symptoms.
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Describe a situation in which a bacteria-free environment would be desirable: not desirable:
Answers
desirable: When observing bacteria
not desirable: When eating food.
Explain how the following factors caused the finch population to evolve to have a larger beak size: the potential for the finches to reproduce, the existence of genetic variation related to beak size in the population, the competition for limited resources, and the differential reproductive success of the individuals that survive.
Answers
Answer:
All the four given factors favored the appearance of trait of larger beak size in the finches population
Explanation:
The following factors led to the evolution of finches with large beak sizes in the following ways -
a) the potential for the finches to reproduce - The finches ability to reproduce helped them acquiring traits that would increase their fitness for survival
b) the existence of genetic variation related to beak size in the population - Gene pool with respect to beak size having genes for large beak size allowed finches to acquire this traits through mating. If there were no genes of large beak size in the gene pool, then this trait would not have appeared ever in the future generation of finches
c) the competition for limited resources - There is a huge possibility that large beaks are useful in acquiring food as compared to other size of beaks and hence, this trait evolved in finches
d) the differential reproductive success of the individuals that survive - Finches with large beak size have better fitness and hence are able to survive and extreme condition. This characteristics of fitness allowed them to evolve
When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
Answers
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
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the girl was observing a slide o
f muscle under microscope identified the muscle of striated on the basis of
Answers
Answer:
muscles carry lines, the texture is often different by that of tissue that is visible to the eye.
Explanation:
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what is standard operating procedure in biotechnology
Answers
Answer:
An SOP is a procedure specific to your operation that describes the activities necessary to complete tasks in accordance with industry regulations, provincial laws or even just your own standards for running your business.
Explanation: