Gene flow would cause an evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home.
What is Gene flow?In genetics, the expression 'gene flow' refers to the migration of organisms or movement of their reproductive germinal cells to a new place.
Gene flow is well known to alter the genetic structure of the population in the site where it occurs.
In conclusion, gene flow would cause an evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home.
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When a fish swims from salt water into fresh water, its cells react by:
A. gaining water and swelling.
B. dividing to increase surface area.
C. fusing to decrease surface area.
D. losing water and shrinking.
When a fish swims from salt water into fresh water its cells react by losing water and shrinking. The correct option is D.
What is fresh water?Glaciers, lakes, reservoirs, ponds, rivers, streams, wetlands, and even groundwater contain fresh water.
These freshwater habitats cover less than 1% of the world's total surface area but are home to 10% of all known animals and up to 40% of all known fish species.
When a fish swims from salt water into fresh water its cells react by losing water and shrinking due to osmosis.
Thus, the correct option is D.
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A fish swims from salt water into fresh water, its cells react by gaining water and swelling. Thus, option "A" is correct.
What is osmosis?Osmosis is the movement of water through a semipermeable membrane from an area of low solute concentration to one of higher solute concentration to establish an equilibrium.
For example, The solutes are solids that dissolve in water and form ions, such as salts (NaCl) and sugars, these solutes are also found the cell’s cytoplasm.
Thus, option "A" is correct.
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Your kitchen is full of plants from different classes. Identify five different plants (or fruits of those plants, or products of those plants) and their class.
Which of the following correctly describes what happens to liquid and gas particles with
more thermal energy?
Select one:
O a. Liquid and gas particles with more thermal energy expand.
O b. Liquid and gas particles with more thermal energy condense.
O c.
Liquid and gas particles with more thermal energy rise.
O d. Liquid and gas particles with more thermal energy fall.
Answer:
i think a. is correct answer (:
hope its help for u
What are two sides of the Golgi body
The small intestine has special structures, called villi, which help absorption of digested food. Which of the following is NOT a feature?
B1. Good blood supply
B2. Impermeable walls
B3. Large surface area
B4. Thin layer of cells
B2) Impermeable walls
Villi together with it's microvilli tremendously increase surface area of absorption. And hence supports effective absorption of nutrients into blood. Villi have permeable membranes . Thus, nutrients can easily get their way through them.
Pretest: professional skills
7
type the correct answer in the box.
what aspect of provider-patient relationships is the provider showing in the scenario?
dr. tyson brings his laptop and cell phone in to the exam room for a patient appointment.
tyson flips from screen to screen on the laptop and reviews lab results, current medications
technology that dr. tyson is using is negatively affecting his
communication.
A key component of medical treatment and the practice of medicine is the provider-patient connection. When a doctor attends to a patient's medical requirements, usually with the patient's consent, a doctor-patient relationship is established.
Provider showing is showing the share decision making drive aspect of provider-patient relationship.
Incorporating patient input into healthcare choices is known as shared decision-making. In order to achieve effective shared decision-making, providers must put the other tenets of meaningful communication into practice.Making sure patients receive the information needed to make a decision depends on patient education.The doctor is showing the lab results and explaining them to the patient which is beneficial for the patient.However another aspect of provider-patient relationship is being negatively affected here that is strong communication.learn more about provider-patient relationship here:
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Match the following. Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. ResetHelp 1. : Chemical or mechanical process of breaking down foodstuffs into simpler units. 2. : Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube. 3. : Enzymatic breakdown of any type of food molecule. 4. : Process by which simpler chemical units pass through the lumen of the gastrointestinal tract into the blood or lymph.
Matching the following words to the appropriate blanks
Digestion is Chemical or mechanical process of breaking down foodstuffs into simpler units Peristalsis is Wavelike smooth muscle contractions that move foodstuffs through the alimentary tube Hydrolysis is Enzymatic breakdown of any type of food molecule Absorption is process by which simpler chemical units pass through the lumen of the gastrointestinal tract into the blood or lymph Processes of the digestive systemThe terms associated with the sentences listed are the various processes of the digestive system and they are Digestion ( a process of breaking down consumed food into simpler units for absorption ), Peristalsis, hydrolysis and Absorption which is the last phase of the digestive system.
During absorption the chemical units from the digested food passes through the lumen of the gastrointestinal tract into the blood where they are used by the body for the growth and daily activities of the body.
Hence we can conclude that the words matching the sentences are as listed above
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The missing words matched to the blanks
HydrolysisAbsorption DigestionPeristalsisCod fry often settle under the bell of some jellyfish species, whose tentacles are poisonous. Name the form of relationship illustrated by this example. Assume the mechanism of formation of this device
Answer:
Explanation:
해파리 (cnidarians) have a worldwide distribution. Despite most being harmless, some species may cause local and also systemic reactions. 처치 of 해파리 envenomation is directed at: alleviating the local effects of venom, preventing further nematocyst discharges and controlling systemic reactions, including shock. In severe cases, the most important step is stabilizing and maintaining vital functions. With some 차이점 between species, there seems to be evidence and consensus on oral/topical analgesics, hot water and ice packs as effective painkillers and on 30 s application of domestic vinegar (4%–6% acetic acid) to prevent further discharge of unfired nematocysts remaining on the skin. Conversely, alcohol, methylated spirits and fresh water should be 조심스럽게 avoided, since they could massively discharge nematocysts; pressure immobilization bandaging should also be avoided, as laboratory studies show that it stimulates additional venom discharge from nematocysts. Most 처치 approaches are presently founded on 상대적으로 weak evidence; therefore, further research (especially randomized clinical trials) is strongly recommended. Dissemination of appropriate 처치 modalities should be deployed to better inform and educate those at risk. Adequate signage should be placed at 바닷가 to notify tourists of the jellyfish risk. Swimmers in risky areas should wear 보호 장비.The part of a root that is responsible for conducting water and dissolved mineral salt from the soil to the leaves is
Answer:
xylem
Explanation:
A distinguishing characteristic that can be inherited is a (n)
dhdjsjdjdjdidduyudyfiriyyfifiyfyuihf
Two chromosomes that look alike and have the same sequence of genes in the same positions are a(n) ______ pair.
Answer:Gene
Explanation:
Which of the following is an example of pseudoscience?
An example of pseudoscience is Astrology.
What is Pseudoscience?Pseudoscience may be defined as a recommendation, a determination, or a method of illustration that is delivered as science but that lacks the severity important to the scientific approach.
Pseudoscience may always deal with the concept of recommendation methods which seems to be faulty and does not provide enough evidence to support the answer.
Biology, Chemistry, Physics, and medicine involve the approach of scientific methods in their contents. Hence, these branches of sciences do not get classified under Pseudoscience.
The complete question is as follows:
Which of the following is an example of pseudoscience?
BiologyAstrologyChemistryPhysicsMedicineTherefore, the correct option is B, i.e. Astrology.
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Where does the H band lie?
The H band lie around the zone of the thick filaments and is the most appropriate choice.
What is H band?This appears in the middle of the sarcomere and consists of only myosin and is characterized by the presence of thick filaments in the structure.
In this band, actin is not present which is how the band is usually identified in the laboratory.
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Without enzymes, many chemical
reactions would be....
A. slower
B. faster
C. non-spontaneous
D. easier
EVIDENCE FOR EVOLUTION 3 OF 3 Biogeography Evidence Oceanic islands can be home to species found nowhere else on Earth. Why? Island habitats are more diverse than non- island habitats. Islands are free of disease and carnivores. Islands are often isolated, minimizing gene flow and maximizing diversification. Island habitats are stable, minimizing adaptation and maximizing reproduction.
The statement 'Islands are often isolated, minimizing gene flow and maximizing diversification' explains why islands may have unique species on Earth.
What is isolation?Isolation refers to the absence of gene flow between individuals of the same species for extended periods of time.
Isolation due to geographic barriers (e.g., a island) may led to reproductive differentiation and even to speciation.
In conclusion, the statement 'Islands are often isolated, minimizing gene flow and maximizing diversification' explains why islands may have unique species on Earth.
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Which of the following is true about the scientific method?
The conclusion should confirm the original hypothesis.
Scientists frequently do not work in a linear sequence.
It is important to follow each step in order so the results are valid.
All scientists utilize the same scientific method with the same steps.
The statement which is true about the scientific method is that "it is important to follow each step in order so the results are valid." Thus, the correct option is C.
What is the Scientific method?The scientific method may be characterized as an approach to investigation in which a problem is determined, appropriate data are collected, an assumption is composed of these data, and the hypothesis has been empirically experimented with.
Scientific methods always deal with a scripted format of identifying the problem, making a hypothesis, collecting the data associated with a hypothesis, synthesizing a methodology, observing it, and making a conclusion.
Therefore, the correct option for this question is C.
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If a human has an X and a Y chromosome pair, they are Otrue-breeding O female Ohybrid O male
Answer:
They are a male.
Explanation:
Describe the processes that occur after pollination, including fertilisation and seed formation.
Answer:
Step one: After pollen has landed on the stigma, it grows a pollen tube down through the style to the ovary. Step two: The nucleus of the pollen grain travels down the pollen tube and fertilises the nucleus in the ovule. Step three: The fertilised ovule develops into a seed.
hope it helps.
Discuss the importance of legislation to protect marshes.
The role of the legislation is to make and pass laws that will be followed by the citizens of the nation.
In this capacity, the legislation may declare endangered marshes under the protection of the government and impose penalties to those who trespass on government lands.
How marshes area help in eliminating pollution?1. Wetlands help in eliminating pollutants and thus helps in bioremediation.
2. The wetlands assist in reducing the frequencies of erosion and floods. The wetlands function as a sponge and captivate the majority of the water at the time of heavy rainfall, which gets released gradually. This, in turn, helps in replenishing the groundwater level.
3. Different kinds of species like insects, plants, reptiles, microbes, and reptiles thrive in wetlands, thus, forming a food web.
4. Wetlands also donate to the economy of the country by providing timber, fish, rice, berries, and other things of medicinal values.
Thus, this could be the answer.
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Write about the importance of exothermic reactions in daily life and illustrate the destruction caused by their absence
Everyday uses of exothermic reactions include self-heating cans and hand warmers. When energy is taken in from the surroundings, this is called an endothermic reaction and the temperature of the surroundings decreases.
the diaphragm is innervated by the __________ nerve, which allows it to contract.
The diaphragm is innervated by the phrenic nerve, which allows it to contract.
What is phrenic nerve?The C3-C5 spinal nerves, which are parts of the cervical plexus, give rise to the phrenic nerve, a mixed nerve. It begins in the neck and travels through the thorax vertically before terminating on the diaphragm.
The phrenic nerve is bilateral, there are some significant distinctions between the left and right counterparts in terms of its courses and interactions with surrounding structures.
The primary purpose of the phrenic nerve, which makes it an essential part of the physiology of breathing, is to deliver the full motor innervation to the diaphragm.
Diaphragm is controlled by the phrenic nerve (the large dome-shaped muscle between abdominal and chest cavities). It is necessary for breathing. Diaphragm contracts as a result of signals sent by nerve (become thicker and flatter). This motion makes room for lungs to expand and take in air (inhalation).
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the diagram below shows several of the processes involved in the carbon cycle, but they are not labeled. use the labels to correctly identify each process
Photosynthesis, Decomposition, Respiration and Combustion are the processes involved in the carbon cycle.
What are the processes of carbon cycle?The processes that are involved in carbon cycle are Photosynthesis, Decomposition, Respiration and Combustion. Photosynthesis occurs only in plants whereas respiration occurs in all organisms.
Decomposition done by bacteria and fungi on the dead bodies of organisms whereas combustion occurs when the a material is burnt.
So we can conclude that Photosynthesis, Decomposition, Respiration and Combustion are the processes involved in the carbon cycle.
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The labels to correctly identify each process is
Photosynthesis Breathing in animalsrespiration Using up precious fossil fuels natural combustionThis is further explained below.
What is carbon cycle?The process through which carbon atoms constantly go from the atmosphere to the surface of the earth and again back into the atmosphere is referred to as the carbon cycle.
Generally, Photosynthesis is simply defined as photosynthesis is the green pigment and other creatures create nutrition from carbon dioxide and water using sunlight
In conclusion, To put it another way: photosynthesis (by the patch of grass) breathing in animals (on top of the bull) Taking a breath (on top of the tree) using up precious fossil fuels (on top of the factory) just burning up in the atmosphere (by the small fire)
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What is the structure and function of microtubules?
Structurally microtubules are composed of alpha and beta-tubulin, whereas their functions include cell division, structural support, etc.
What are microtubules?The microtubules are key proteins present in eukaryotic cells that form part of the cytoskeleton.
Microtubules are composed of subunits of alpha and beta-tubulin that link together to form structures 24 nm thick.
In conclusion, structurally microtubules are composed of alpha and beta-tubulin, whereas their functions include cell division, structural support, etc.
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During an action potential, the rapid decrease in sodium permeability and simultaneous increase in potassium permeability is responsible for __________.
During an action potential, the rapid decrease in sodium permeability and simultaneous increase in potassium permeability is responsible for Repolarization.
K+ departs the cell after Na+, which enters the cell first. Ions can move freely across the axon membrane because of the difference during the action potential.Because sodium contains a positive charge, the neuron becomes more positive and depolarized. Potassium channels take longer to open. As soon as the cell does open, K+ rushes out, reversing the depolarization known as repolarization.Sodium channels close during the peak of the action potential when potassium leaves the cell. When potassium ions are effluxed, the membrane potential is lowered or the cell becomes hyperpolarized.Outside of the cell, the concentration of Na+ is greater than inside the cell. while the concentration of K+ is is greater inside the cell than outside.
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What does an Epidemiologist study?
A. Diseases
B. Plants
C. The Epidermis
D. Insects
Answer:
Epidemiologists study outbreaks of diseases, the causes, locations, and how various communities are affected
More information -
TYPES OF EPIDEMIOLOGOST
1) infection control
2) Pharmaceutical
3) Medical
4).Infectious Disease
5). field
6) Molecular
7).Veterinary
Is the neurone a cell, tissue or an organ?
Answer:
Cell
Explanation:
Glial cells and neurons are the two types of cells that make up the nervous system. Four tasks are carried out by glial cells, which make up the nervous system's supporting framework: Give the neurons structural support. protect the neurons. A neuron is a specialized, impulse-conducting cell that is the functional unit of the nervous system, consisting of the cell body and its processes, the axon and dendrites. Three components make up neurons (nerve cells), which perform the integration and communication processes. Axon terminals, dendrites, and axons. The cell body, also known as the soma, is their fourth component and is responsible for the fundamental functions of neurons. In the illustration to the right, a "typical" neuron is depicted. The neuron, a specialized cell created to send information to other nerve cells, muscle cells, or gland cells, is the basic functional unit of the brain. Neurons are nervous system cells that communicate information to other nerve, muscle, and gland cells. Axons, dendrites, and a cell body make up the majority of neurons.
Answer:
nerve type of cell
Explanation:
I looked it up
The following models show one large cell (A) and four small cells (B). 0 C A B Which of the following states why one of the models is better for moving more nutrients in and out of the cell? © A. B is better because it has more surface area. © B. A is better because it has more surface area. O C. A is better because it has less volume O D. B is better because it has less volume
B is one of the models that are better for moving more nutrients in and out of the cell because B has smaller cells but more surface area than A. Thus, the correct option is A.
How do nutrients move in and out of the cell?Nutrients are entranced throughout cells, tissues, and even your whole body through the blood via capillaries. Tiny blood vessels that unite arteries to the veins also facilitate the transportation of nutrients in and out of the cell.
The surface area of the cell plays an essential function in demarcating its effectiveness in fascinating the nutrients through indirect approaches like diffusion as it assists in transporting the nutrients without utilizing energy.
Therefore, B is one of the models that are better for moving more nutrients in and out of the cell because B has smaller cells but more surface area than A.
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A culture of living cells includes a solution called a
Answer:
C) medium
Explanation:
medium can be solid, semi-solid or liquid
mediums are designed to grow living cells of plants, animals, humans and microbes
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What is the triad of anaesthetics?
The Triad of anaesthetics as required in the task content are; Narcosis, Analgesia and Muscle relaxation.
What is the Triad of anaesthetics?The triad of anaesthetics as the name implies contains the stage of narcosis, analgesia and finally muscle relaxation and hence, acting on each one of the triad with selective drugs helps to avoid deep levels of central brain depression.
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which of the following is true regarding speciation and mechanisms of evolution?
Speciation is one of the driving processes of evolution and results in the formation of new species.
What is evolution?Evolution is the process by which new organisms are formed from existing organisms due to changes that result in increasing complexity of the organisms.
Speciation is the process by which new species are formed from existing species.
Therefore, it can be concluded that speciation is one of the driving processes of evolution.
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