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Related Questions
Pillbugs are placed in a container where they have a choice of wet or a dry environment. Researchers record how much time was spent on each side ?
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The given question is incomplete, however, the question missing part is as follows,
What is the INDEPENDENT variable?
Answer:
The correct answer would be : wet or dry environment.
Explanation:
Independent variable is a variable that can be changed or manipulated by the researcher or student in order to carryout study on the response on dependent variable.
In this case or experiment, researcher can make environment of the container wet or dry, however it is depend on pilbugs to go which type of environment or side and stay for what time.
Thus, the independent variable would be wet or dry container.
based on the article about drug-resistant bacteria write a paragraph summarizing why this genetic mutation concerned scientists also explain why the scientists say don't panic
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Drug resistant bacteria are bacteria that are killed, removed or controlled by antibiotics.
Examples of drug-resistant bacteria are;
methicillin-resistant Staphylococcus aureusPenicillin-resistant Enterococcus Multi-drug-resistant Mycobacterium tuberculosis.
Scientists are concerned about genetic mutation that causes drug resistance in bacteria because it leads to increase rate of infection and incurable diseases. There is still hope as sophisticated measures are being carried out to inhibit the horizontal gene transfer in these organisms and can serve as a novel therapeutic strategy to fight drug resistance.
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Explanation:
it is the Plato answer
Darren is studying the effect of increased carbon dioxide on plant growth. He sets up four tanks (terrariums). Each tank has the same type of plant, same potting soil, same amount of water, same amount of sunlight. The first tank has normal levels of Carbon dioxide. The second tank has 25% more carbon dioxide, the third 50% more and the fourth 100% more. Darren records plant height after each week for a four week period. What are the : IV, DV constant, control
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Answer:
Explanation:
Oh
Why has California’s kelp forest changed over time?
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Answer:
By 2014, a huge clump of warm water developed towards the coast end, creating a catalyst that has additionally changed this underwater environment. The determined warmer sea temperatures stress the kelp forests to the point that growth and reproduction have slowed drastically and caused damage to remaining fronds and tissue.
Are deep ocean vents part of an ecosystem
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Answer:
yea
Explanation:
Answer:
Yes
Explanation:
Believe it or not, they are! They are parts of an ecosystem because in often cases, they provide heat that helps keep many organisms and animals alive! Hope this helped!
why aren't all the cells in our body totipotent our entire lives
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Answer:
somatic cells have highly specific functions
Explanation:
In our body, the major part of cells is irreversibly differentiated into somatic cells. From a cellular point of view, this process of differentiation seems to be an evolutionary disadvantage. However, cellular differentiation is a process aimed at exploiting the genetic variation in order to obtain a highly specialized cell type that is capable of carrying out a specific cellular function. For example, keratinocytes are highly specialized epithelial cells that function by separating the organism from the surrounding environment.
Create an analogy for the following: An atom is to a molecule as _____ is to ____________.
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Answer:
neutron is to nucleus
Explanation:
i dont know what exactly ur working on but this would be my answer.
hope this helped! sorry if it didnt.
PLEASE HELP ASAP
Which causes an increase in greenhouse gases?
A: change in wind patterns
B: strengthening of hurricanes
C: burning of wood and coal
D: movement of warm ocean waters
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Answer:
The correct answer would be C, burning of wood and coal
Explanation:
The burning of fossil fuels (coal, oil, natural gases) increases the greenhouse gases in the atmosphere.
The factors that will cause an increase in greenhouse gases is the burning of wood and coal.
What are greenhouse gases?Greenhouse gases are gases such as carbon dioxide or CFCs, that contributes to the greenhouse effect when released into the atmosphere.
Greenhouse gases have the ability to trap and release heat in their chemical bonds.
Examples of greenhouse gases are;
Carbon dioxideChlorofluorocarbons (CFC)Sulfur dioxideTherefore, the factors that will cause an increase in greenhouse gases is the burning of wood and coal.
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Describe an approach for understanding global systems and the changes they undergo.
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To understand the global systems and the changes they undergo in a better way, we can use a model to represent the various ecological processes that occur within the biosphere. One example of a model that we can use is the earth systems model.
In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called
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Explanation:
filtration or capillary filtration
In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called osmosis. The pressure is osmotic pressure.
What is osmosis?Osmosis is a process when the molecules travel from a high concentration to a low concentration region. It is the diffusion of material from a semipermeable membrane.
The blood capillaries are part of the circulatory system of the body. They are of two types, artery, and veins. They circulate blood in the body. Blood pressure is the pressure exerted by the movement of blood on the arteries and veins.
The process of osmosis happens when the fluid is exerted in the blood capillaries through the gaps.
Thus, Osmosis is a phenomenon in blood capillaries where blood pressure pushes fluid through openings in the capillary wall. Osmotic pressure is present.
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A sugar not commonly found free in nature that combines with glucose to form the disaccharide lactose is ________.
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How do polar molecules form Hydrogen Bonds?
What determines whether a compound will dissolve in water?
How do polar molecules differ from non-polar molecules?
Describe an example of cohesion or adhesion that you might observe in your daily life.
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Answer:
How do polar molecules form hydrogen bonds?
Polar molecules form hydrogen bonds when hydrogen is bonded to Nitrogen, Oxygen, or Fiorina. This is because these atoms are highly electro-negative meaning they often have the electron they have sharing with hydrogen. Hydrogen atoms bonded with these atoms are attracted to the partial negative charge of similar atoms.
What determines whether a compound will dissolve in water?
Water is a polar molecule and transmits a partial positive and negative change between its atoms, enabling it to easily dissolve other ions and polar molecules.
How do polar molecules differ from non-polar molecules?
Polar molecules have charged regions due to unequal sharing of electrons/ Nonpolar molecules do not have charged regions because electrons are shared more equally. The charge differences tend to keep the molecules separate.
Describe an example of cohesion or adhesion that you might observe in your daily life.
Cohesion: water beading on a surface.
Adhesion: water sticking to the side of glass.
what is another word for "living thing"
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Answer: Alive
Since the word living means alive, another word for living thing would be alive.
Definition of Living: To be alive; to have life.
So this means another word for living thing would be alive.
Vacuoles are most similar to what other organelle found in both plant and animal cells?Why?
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what color is an orange
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Answer:
orange
Explanation:
Which enzyme is active over the largest temperature range
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Answer: Slurp Daddy
Explanation: I had the test
Give one component of the Endosymbiotic Theory.
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Answer:
Eukaryotic cells evolved from prokaryotic cells.
Explanation:
The endosymbiotic theory states that some of the organelles in today's eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are believed to have been developed over time.
how does a large, complex system like the Earth system operate
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Explanation:
Scientists increasingly view earth as a dynamic system. A combination of interrelated interdependent or interacting parts forming a collective whole or entity
4. Compare your observations of micrographs obtained from the optical microscope, the scanning electron microscope, and the transmission electron microscope.
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Answer:
optical microscope uses visible light and a lense to generate magnify images of small object
scanning electron microscope produces image of a sample by scanning with a focused beam if electron while transmission electron microscope is in which beam of electrons is transmitted through a specimen to form of image
The heart is ________________ to the urinary bladder
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The heart is either superior to the urinary bladder or midline, but I’d go with superior.
Good luck!
In an experiment, a group of scientists want to test the effects of humidity on plant growth. The scientists expose the plants in the study to a range of different humidities to measure plant growth over a specified amount of time. In this experiment. What is the independent variable?
Please help me ASAP
A) Plant growth
B) Humidity
С)Fertilizer
D)None of the above
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Answer:
The correct answer is - option B) humidity.
Explanation:
Independent variable is the variable in a scientific experiment that can be modify or change in order to find out the response and analyse the response of dependent variable.
In this experiment the independent variable is humidity as it is changed in order to find out and study plant growth response by the effect of humidity.
Thus, the correct answer is - option B) humidity.
What scenario is an example of a physical change?
A. Wood is burned in a campfire and is turned into ash
B.a piece of metal is left in the rain and form dust
C. Lead is melted into liquid to form dust
D. Yeast turns sugar into energy,water, and carbon dioxide
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Answer:
C is then answer.
Explanation:
Answer is C
I know because I'm smart
During which stage of the cell cycle does cell division occur? A. mitosis B. cell growth C. interphase D. quiescence
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Cell division occurs in mitosis.
What is mitosis?Mitosis is called the process in which there is non-sexual reproduction of cells in which the genetic material is duplicated to generate another cell with the same characteristics of the original cell. Mitosis occurs in cells from the human body or from other species and can occur in processes in which there is damage to some tissue and it has to be repaired.
Mitosis is made up of different phases in which cellular changes are generated to be able to carry out this cell replication, within the stages are: interphase, prophase, prometaphase, metaphase, anaphase and telophase.
Therefore, we can confirm that cell division occurs in mitosis.
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This is due today at 11:59 and science is not my strong point can anyone answers theses for me....
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Answer:
1.) Dependent variable is weight
Independent variable is growth hormones.
2.) Independent variable is mosquito repellent
Dependent variable is number of bites
3.)Dependent is water
Independent is mass
4.) Indepent is the whole scenario
Dependent is the speed and how it affects the cars.
5.) Independent is the wet or dry enviroment
Dependent is the time spent
Explanation:
Dependent variable is weight and Independent variable is growth hormones.2.) Independent variable is mosquito repellent and Dependent variable is number of bites.
What is Dependent variable?The dependent variable is the variable that is being measured or tested. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores since that is what is being measured.
This is different than the independent variable in an experiment, which is a variable that stands on its own. The independent variable (tutoring) doesn't change based on other variables, but the dependent variable (test scores) may.
One way to help identify the dependent variable is to remember that it depends on the independent variable. When researchers make changes to the independent variable, they then measure any resulting changes to the dependent variable.
Therefore, Dependent variable is weight and Independent variable is growth hormones.2.) Independent variable is mosquito repellent and Dependent variable is number of bites.
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Organisms that breath make as their final waste product. Even fire creates vapor as a final waste product
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Answer:
Carbondioxide, water and urea are the waste product.
Explanation:
The final waste product produced by the organisms during respiration are carbondioxide and water while urea and nitrogenous waste are also a waste product produced in the body when the digestion of food is completed. The unnecessary substances present in the food are removed and sent it to excretory organ. These waste products are removed from lungs and urinary bladder.
Kudzu is a vine that was brought to the us from japan to prevent erosion once here kuduz became invasvie what role does kuduz most likely play in the environment in the us
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Answer:
Kudzu in the United States has become an environmental concern.
It is naturally coded to spread quickly. The advantage to that is that it was useful in the prevention of erosion and management of the landscape.
Presently, it is creating an ecological imbalance. Kudzu is very efficient at collecting and converting sunlight more than the local plant species and even tree plants. The competition from Kudzu is so tough, tree plants are being starved off of soil nutrients and sunlight and are unable to survive.
Even the wildlife are affected as the crops which they forage on cannot are outcompeted by Kudzu.
Cheers!
a group of students is observing these two species of squirrel in forming conclusions about how they are alike and different which type of investigation is the group doing
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Answer:
Although there are no options but this investigation is a COMPARATIVE investigation
Explanation:
Scientific investigations aims at satisfying a curiosity or a way of explaining natural phenomena. There are three types of investigations viz: descriptive, comparative and experimental investigations.
Comparative investigation is a type of investigation that involves collecting data on different organisms, locations etc for the sole purpose of comparing. It aims at confirming if there is a relationship between i.e. similarities/differences. In this question, two species of squirrels are being observed for their similarities and differences i.e. the aim of the investigation is COMPARISON. Hence, it is an example of comparative investigation
What does a viral particle use from the host cell to enter the cell?
Cell receptor
Mitochondria
Nucleoid region
Capsin
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Answer:
Cell receptor is the answer
Answer:
cell receptor
Explanation:
The viral particle uses something called a cell receptor on the outside of the cell to enter the cell and begin replicating. This cell receptor can vary between cells, but it's often associated with a glycoprotein.
why grapes swell when placed in water
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When grapes are soaked in water, the grapes then swell up because grape's cells have a high concentration of solutes in comparison to the water. In other words, grapes have low concentration of solvent (that is water molecules ) in comparison to the concentration of solvent in water. In this situation, there will happen a process known as osmosis in which water molecules moves from a region of concentration of water to a region of low concentration of water through a semipermeable membrane. (the cell membrane of the grape's cell is also semipermeable,which only allows solvent molecules to pass through it)
Compared to dry environments, evaporation of sweat is ________ in humid environments, resulting in _______ body cooling.
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Answer:
less; reduced
Explanation:
Compared to dry environments, evaporation of sweat is less in humid environments, resulting in reduced body cooling.
In dry environment, the body sweats more in order to compensate for the rate at which evaporation occurs from the surface of the skin. However, in humid environment, sweating is reduced because the rate of evaporation of water from the surface of the skin is not as much as in dry environment. Since evaporation causes cooling, it means that there would be reduced body cooling in humid environments.