Think of another science topic you studied earlier. How might considering scale be useful when investigating that topic? How is that similar to and different from how the crosscutting concept of Scale is useful in this unit?
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Scale can be extremely important to consider when applying the conclusions of an investigation to a larger group.
Scale is defined as a series of measurements in a given ratio, in order to compare two objects or groups. Some examples include:
Scale modelsScale populationsIn the case of scale models, one example may be creating a 1:100 scale model of a building. What this means is that the model created will be one hundred times smaller than the original.
The idea of scale is very important to consider when performing experiments. For example, if we were to take a sample of 10 people and test for a specific bacteria, which gives us a result of 1 in 10 (or 10%) of the people that test positive for the bacteria, it would seem as though it is a very small number of people. However, if we take scale into consideration we can apply this 10% to the global population, which will result in hundreds of millions of people who will test positive for the bacteria.
Scale is important to consider when performing any experiment or drawing conclusions because it offers a method to calculate and make an educated assumption as to the impact of the results on a population that would otherwise be impossible to test.
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Related Questions
Why can information only pass in one direction across synapse?? pls help !!
Answers
In order for a "nerve impulse" to pass from cell to cell, it must cross synaptic junctions. The nerve cells are lined up head to tail all the way down a nerve track, and are not connected, but have tiny gaps between them and the next cell. These tiny gaps are called synapses.
When you get a nerve firing, you have probably heard that it is an electrical impulse that carries the signal. This is true, but it is not electrical in the same way your wall outlet works. This is electrochemical energy. Neurotransmitters are molecules that fit like a lock and key into a specific receptor. The receptor is located on the next cell in the line. When the neurotransmitter hits the receptor on the next cell in line, it signals that cell to begin a firing as well.
This will continue all the way down the length of the nerve track. In a nutshell, a nerve firing results in a chain reaction down the nerve cell's axon, or stemlike section. Sodium (Na+) ions flow in, potassium (K+) ions flow out, and we get an electrochemical gradient flowing down the length of the cell. You can think of it as a line of gunpowder that someone lit, with the flame traveling down the length of it. Common electrical power is more like a hose full of water, and when you put pressure on one end, the water shoots out the other.
Therefore, nerve impulses cannot travel in the opposite direction, because nerve cells only have neurotransmitter storage vesicles going one way, and receptors in one place.
What activities are happening on the Jalisco Block?
A. Earthquakes
B. Volcanic Eruptions
C. Both A & B
D. mid-ocean ridges
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Answer: I think its A. Earthquakes
Explanation:
please help,, i’ll do ANYTHING ,, HELP ASAP
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Explain how and why weasels' coat color changes seasonally.
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Answer:
Animals that live in areas that usually have a lot of snow in the winter often change their coats to match their surroundings. Some weasels have evolved so that in the autumn they moult their brown summer coat and change to a white version. In spring they reverse the process and return to the brown version
How were great civilizations able to thrive with genetics
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contrast the relative positions of the sun . earth and moon during the full moon phases and the new moon phase
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Answer:
During the New Moon the far side of the Moon is illuminated by the Sun, while the side that faces the Earth lies in darkness so the Moon is invisible. ... As the Moon follows its path from the Full Moon position less and less of the Earth-facing side is illuminated resulting in the “waning” phases.
Explanation:
Create an acrostic poem for the word "protists". It must be a sentence or phrase (CANNOT BE ONE WORD) It must make someone look at it and say that they actually learned something about protists. I know this is a lot so I am assigning 50 points to it.
Good luck!
Best gets brainliest!
Answers
Explanation:
Perfect livimg organism
rightly functioning cell
over 1 cell
Top of the line single algea
is a algea tha can come in brown.
specific bio physics
tr avelling functionally
Read this sentence from the text:
"Which would you prefer: spending a cold day on a computer, or sitting in school in June when you should be on vacation?"
What answer does the author probably expect from readers?
The author probably expects readers to answer that they would prefer spending a cold day on a computer.
The author probably expects readers to answer that they would prefer sitting in school in June when they should be on vacation.
The author probably expects readers to answer that they would be equally interested in both options.
The author probably expects readers to answer that they do not have enough information to decide.
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Answer:
The Author expects readers to answer that they do not have enough information to decide.
Explanation:
what a Lunar Phase ?
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Answer:
It’s something like The lunar phase or Moon phase is the shape of the Moon's directly sunlit portion as viewed from Earth. The lunar phases gradually change over a synodic month as the Moon's orbital positions around Earth and Earth around the Sun shift
Answer with Explanation:
A lunar phase is also known as a "moon phase." This refers to how we see the Moon in different shapes as it is reflected back to Earth. Such reflection depends on the portion of the Moon that is illuminated by the sun. This explains why the amount of moon that we view from Earth changes over time.
It consists of 8 phases: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter and Waning Crescent.
7. ATP is made from ____ and inorganic phosphate.
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Answer: made from ADP
What is the structure labeled E in the diagram below?
A. Cytoplasm
B. Ribosome
C. Mitochondrion
D. Nucleus
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Cytoplasm
What is one factor that makes life on Earth possible?
a. High Gravity
b. Water
c. Hydrogen
d. Elliptical Orbit
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water
Explanation:
you need water for your body
What is the difference between an independent and a dependent variable?
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Answer:
Explanation:
The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect. Its value depends on changes in the independent variable.
How would a bacteria explore a non-coding portion of DNA?
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Explanation:
Non-coding DNA sequences are components of an organism's DNA that do not encode protein sequences. Some non-coding DNA is transcribed into functional non-coding RNA molecules (e.g. transfer RNA, ribosomal RNA, and regulatory RNAs). Other functions of non-coding DNA include the transcriptional and translational regulation of protein-coding sequences, scaffold attachment regions, origins of DNA replication, centromeres and telomeres. Its RNA counterpart is non-coding RNA.
The amount of non-coding DNA varies greatly among species. Often, only a small percentage of the genome is responsible for coding proteins, but an increasing percentage is being shown to have regulatory functions. When there is much non-coding DNA, a large proportion appears to have no biological function, as predicted in the 1960s. Since that time, this non-functional portion has controversially been called "junk DNA".[1]
The international Encyclopedia of DNA Elements (ENCODE) project uncovered, by direct biochemical approaches, that at least 80% of human genomic DNA has biochemical activity, which they defined as being transcribed, a definition not shared with most other biologists.[2] Though this was not necessarily unexpected due to previous decades of research discovering many functional non-coding regions,[3][4] some scientists criticized the conclusion for conflating biochemical activity with biological function.[5][6][7][8][9] Estimates for the biologically functional fraction of the human genome based on comparative genomics range between 8 and 15%.[10][11][12] However, others have argued against relying solely on estimates from comparative genomics due to its limited scope.[citation needed] Non-coding DNA has been found to be involved in epigenetic activity and complex networks of genetic interactions and is being explored in evolutionary developmental biology.[4][11][13][14]
An atom of which element is represented by this model? Answer:
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Answer:
Nitrogen
Explanation:
There are 7 protons and the proton number corresponds with the atomic number, so look on the periodic table for an element at number 7. Nitrogen is the element at number 7.
Answer:
Nitrogen
Explanation:
The model has 7 protons, 7 neutrons and 7 electrons.
What evidence does not support the evolution of chloroplasts and mitochondria from prokaryotic cells? *
A. Fossilized remains of archaebacteria
B. Double membranes of the organelles
C. Similar methods of reproduction
D. Presence of circular DNA
Answers
Answer:
it is C.
Explanation:
C.
Answer:
C. Similar methods of reproduction
Explanation:
20
Compared with mitosis, the process of meiosis results in daughter cells
that are-*
Answers
Answer:
D haploid (n) with a smaller number of chromosomes than the parent cells
Explanation:
meiosis results in gametes which have half the number of chromosomes and are therefore diploid because they have one set only. that is because later, the two cells with half the chromosomes (egg and sperm) join together to make a diploid cell
Saclike membranes that contain chlorophyll are known as
Answers
Answer:
thylakoids
Explanation:
saclike photosynthetic membranes that contain chlorophyll and other pigments and are arranged in stacks called grana.
How does natural selection differ from selective breeding?
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Answer:
natural selection is natural, selective breeding is not. Natural selection is when the best genes are passed down. Selective is when the best of an animal group are forced to mate
Explanation:
need help on 12-19
if u don't know don't answer
Answers
Answer:
sup bus down totoan or nle top shootasup bus down totoan or nle top shootasup bus down totoan or nle top shoota
Explanation:
(GIVING BRAINLIEST!!)
A family goes on a walk beside a large river. What would most likely happen to the river if the oceans did not exist?
A) The river would get larger because it would snow and hail more often.
B) The amount of living things in the river would increase.
C) The river would get smaller because there would not be as much precipitation.
D) The river would get larger because there would be less evaporation.
Answers
Answer: B. The amount of living organisms would increase.
Explanation:
Answer:
C
Explanation:
C because less precipitation means less water. less water means less river. (btw i took the test and c is right)
Which specialist is needed to maintain a patient's
stability in a surgery during which the heart is
stopped?
echocardiogram technician
cardiologist
cardiac perfusionist
cardiology nurse
Answers
Answer:
Cardiac perfusionist
Explanation:
just trust me bro
Green plants can make glucose. Plants need energy to make glucose.
How do plants get this energy?
Answers
Plants significantly get energy through a process known as Photosynthesis. During this process, plants capture sunlight as a source of energy with their leaves.
What is Photosynthesis?Photosynthesis may be defined as a type of process through which green plants and some photosynthetic algae synthesize their food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
The complete reaction for photosynthesis is as follows:
[tex]6CO_2+12H_2O[/tex] → [tex]C_6H_1_2O_6+6O_2+6H_2O.[/tex]Plants utilize this source of energy from the sun in order to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.
Therefore, plants significantly get energy through a process known as Photosynthesis. During this process, plants capture sunlight as a source of energy with their leaves.
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Which of these reproductive strategies are meant to ensure survival of the offspring?
A male sea horse carries its young in its sack
A peacock displays its brightly colored feathers.
Baby crocodiles travel on their mother’s back.
Bees visit the flowers of plants.
Birds eat fruits from trees.
Answers
Answer:
A male sea horse carries its young in its sack
Baby crocodiles travel on their mother’s back.
I hope this helps
If a cell contains chloroplasts, a cell wall and a large central vacuole, it must be a(n) ___________.
Answers
Answer:
Plant cell
Explanation:
I'm not sure if this is what you were looking for, but hope I helped
What is the major way in which local farms help reduce greenhouse gas emissions?
O by improving local economies
O by producing healthier foods
O by decreasing food transportation costs
O by using less polluting farming methods
Answers
Answer:
d
Explanation:
Answer: The correct answer is by decreasing food transportation costs
Explanation: This has been confirmed correct.
The transportation of food by local farms raises greenhouse gas emissions, so reducing those lower the costs and impacts to the environment.
How does genetic variation create diversity?
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Which 4 characteristics would farmers want bred in to the modern pig? Will give brainliest!
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Answer:
Selective breeding means herd improvement, on things such as milking ability, mothering ability, carcass quality, forage utilization efficiency, stability, birth weights, weaning weights, etc and they taste better.
Explanation:
in which direction is the wind likely to blow in this picture
a. from the ocean to the Moon
b. from the land to the ocean
c. from the ocean to the land
d. from the moon to the ocean
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How do functions of each structure distinguish it from other structures in the digestive system?
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Answer:
What is the function of each structure of the digestive system?
The main organs that make up the digestive system (in order of their function) are the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus. Helping them along the way are the pancreas, gall bladder and liver. Here's how these organs work together in your digestive system.
Explanation: