Trapping has severely reduced the population of rabbits in an ecosystem, as shown in the bar graph below. What is the most likely effect this will have on other organisms? A bar graph shows types of populations on the x-axis and percent of balance on the y-axis from 0 to 200 by fifties. Grass = 100. Rabbit = 50.4. Snake = 100. Hawk = 100. a. The snake population will decrease rapidly and the grass population will increase rapidly. b. The hawk population will increase rapidly and the rabbit population will decrease rapidly. c. The grass population will decrease rapidly, and the snake population will increase rapidly. d. The grass, rabbit, snake, and hawk populations will all decrease rapidly.
Answers
Answer:D
Explanation
took test
Trapping has severely reduced the population of rabbits in an ecosystem, so the most likely effect this will have on other organisms is that the snake population will decrease rapidly and the grass population will increase rapidly, as in Option A.
What is a predator-prey relationship?Rabbits are prey species, which means they are hunted by predators such as snakes and hawks, and rabbits are also herbivores, which means they eat plants such as grass, so if the rabbit population is significantly reduced due to trapping, it could have several effects on other organisms in the ecosystem such as the predator species, the snake, will decline, but the grass will increase as the rabbit population decreases.
Hence, the most likely effect this will have on other organisms is that the snake population will decrease rapidly and the grass population will increase rapidly, which is option A.
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Title: Cell Transport Hands-On Lab Report
Objective(s):
Hypothesis:
Variables:
Materials:
Raw egg
String or thread or yarn
Ruler
White vinegar
Tap water
Syrup
Jar with lid (like a mayonnaise jar or something big enough to put the egg in)
Procedures:
Data and Observations:
Record your observations from the experiment in either the hands-on lab or the teacher-led video. Don't forget to include at least two detailed observations and the measurement of the egg's circumference in centimeters.
Time (hrs) Observations Circumference (cm)
0
24
48
72
Conclusion:
Be sure to address each bullet in the conclusion of your lab report. The conclusion should be written in paragraph format:
Was your hypothesis correct? Why or why not?
How much did the egg change in size? (answer should be in centimeters)
Evaluate the lab and data collected. Describe the accuracy and precision of your data collection.
Describe the limitations (e.g., cost or time of measurement) that may have caused inaccuracies. How would you refine your procedures to increase the precision and accuracy of your data?
What type of transport occurred in this lab? Explain your answer, including evidence from your experiment to support your explanation.
Refining the Experiment:
Continue this experiment by removing the egg from the water and covering it in syrup. Be sure to allow at least 24 hours before making your observations. Handle the egg very carefully!
Predict what will happen to the egg and syrup system.
When refining your procedures describe the following:
How will the change in the syrup and within the egg be measured or identified?
How will you determine when homeostasis has been reached in your egg and syrup system?
Be sure to address each bullet in the conclusion of your lab report:
Was your hypothesis correct? Why or why not?
How much did the egg change in size? (answer should be in centimeters)
Answers
Answer:
Explanation:
Objective(s): To see what will happen to the egg after soaking in water for 72 hours checking it every 24 hours
Hypothesis: I think the egg will get very thick because it will absorb the water
Variables:Independant: The circumference is measured every 24 hours
Dependant: the circumference
Control: The same unit of measurement was used ( CM)
Materials:
Raw egg
String or thread or yarn
Ruler
White vinegar
Tap water
Syrup
Jar with lid (like a mayonnaise jar or something big enough to put the egg in)
Procedures:
Data and Observations:
Record your observations from the experiment in either the hands-on lab or the teacher-led video. Don't forget to include at least two detailed observations and the measurement of the egg's circumference in centimeters.
Time (hrs) Observations Circumference (cm)
0 the egg looks normal: 53 CM
24 Its starting to get bigger: 54 CM
48 It wont start getting bigger: 56 cm
72 Its huge: 57 CM
Conclusion:My hypothesis was correct. I knew the egg would get bigger because the water would absorb into the egg. The egg grew 4 cm
Was your hypothesis correct? Why or why not?My hypothesis was correct. I knew the egg would get bigger because the water would absorb into the egg.
How much did the egg change in size? (answer should be in centimeters)The egg grew 4 CM
Refining the Experiment:
Continue this experiment by removing the egg from the water and covering it in syrup. Be sure to allow at least 24 hours before making your observations. Handle the egg very carefully!
Predict what will happen to the egg and syrup system.
When refining your procedures describe the following:
How will the change in the syrup and within the egg be measured or identified?
How will you determine when homeostasis has been reached in your egg and syrup system?
Be sure to address each bullet in the conclusion of your lab report:
Was your hypothesis correct? Why or why not?
How much did the egg change in size? (answer should be in centimeters)
SORRY I DIDN'T HAVE TO DO THIS PART ON MINE.
Which statement is true of enzymes?
they are proteins
they are nucleic acids
they are lipids
they are carbohydrates
Answers
Enzymes- are proteins which function as biological catalysts
so, the answer is that they are proteins.
Which of the following statements
cite evidence that supports or led to
the discovery of the cell theory.
Choose ALL that apply.
One celled organisms reproduce by binary
Show all
Answers
Hi, you've asked an Incomplete question. However, I provided a brief about cell theory.
Explanation:
The cell theory basically states that all living things are made of cells and that the cell is the basic unit of life. Robert Hooke, who was a Scientist is known to have originated (coined) the term “cell” in the year 1665.
Basic Facts about Cell theory:
the basic unit of life is the cellall living things have one or more cells.already existing cells produce all new cells.What is the cause and effect of invasive species ?
Answers
Answer:
THIS IS THE FULL ANSWERE YOU CAN MAKE YOUR OUN SHORT CUT
Explanation:
Invasive species are capable of causing extinctions of native plants and animals, reducing biodiversity, competing with native organisms for limited resources, and altering habitats. This can result in huge economic impacts and fundamental disruptions of coastal and Great Lakes ecosystems.
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Extensive use of advanced technology is one way to contain costs in the medical field. true or false?
Answers
Answer: false
Explanation:
Advanced technology is the invention of techniques and procedures that allows simplification. Extensive use of advanced technology is a way to control expenses in healthcare. Thus, the statement is true.
What are Electronic Health Records?Electronic Health Records (EHRs) are the technological advancement in the medical and healthcare field. It uses the systematic collection of the patient's health records in the form of digitalized files that can be easily accessed.
The digitalized version of the health records is easily available and is authorized. Along with EHR other medical technological inventions have allowed patients to access the best facilities at less expense. It has also decreased the time of the procedures.
Therefore, the statement is true.
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organism that makes its own food with the sun's light
Answers
Answer:
Plant
Explanation:
Plants photosynthesis which is the process a plant goes through in order to make food.
Figure 1 represents a segment of DNA. radiation can damage the nucleotides in a DNA molecule. to repair some types of damage, a single nucleotide can be removed from the DNA molecule and replaced with an undamaged nucleotide. which of the four labeled bonds in figure 1 could be broken to remove and replace the cytosine nucleotide without affecting the biological information coded to the DNA molecule?
Answers
Answer:
This question is incomplete as it lacks options; the options are:
A) Bond X only
B) Bond W only
C) Bonds Y and Z at the same time
D) Bonds W and Z at the same time
The answer is C. Bond Y and Z at the same time
Explanation:
A DNA molecule is a double-stranded molecule made up of nucleotide units. According to this question, radiation can damage the nucleotides in the DNA molecule. However, the cell can repair this DNA molecule by removing the single damaged nucleotide and replacing it with an undamaged one.
In this case, the cytosine nucleotide is the damaged nucleotide. To repair this DNA in the image, the covalent bond holding the one nucleotide to another in one of the DNA strands must be broken.
The sugar-phosphate bonds as represented by letters Y and Z are the bonds that could be broken to replace the cytosine nucleotide by an undamaged one, without affecting the biological information coded to the DNA molecule. The bonds holding the neighboring nucleotides are also broken during the repair process. Note that, this form of repair is called BASE EXCISION REPAIR
The bond in figure 1 could be broken to remove and replace the cytosine nucleotide without affecting the biological information coded to the DNA molecule is C. Both Bond Y and Z at the same time.
It should be noted that a DNA molecule is simply referred to as a double-stranded molecule that's made up of nucleotide units. Radiation can damage the nucleotides that are in the DNA molecule.
Through the removal of the single damaged nucleotide and then replacing it with an undamaged one, the DNA molecule can be repaired. Based on the diagram, the cytosine nucleotide is the damaged nucleotide, therefore, in order to repair it, the covalent bond that's holding the nucleotides together must be broken.
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Answers
How does polar molecules help the human body?
Answers
Answer:
Water's polarity allows it to dissolve other polar substances very easily. ... Wherever water goes, it carries dissolved chemicals, minerals, and nutrients that are used to support living things. Because of their polarity, water molecules are strongly attracted to one another, which gives water a high surface tension
Answer:
Water's polarity allows it to dissolve other polar substances very easily. ... Wherever water goes, it carries dissolved chemicals, minerals, and nutrients that are used to support living things. Because of their polarity, water molecules are strongly attracted to one another, which gives water a high surface tension.
polar molecules are attracted to each other by dipole-dipole attractions between the partial negative charge of one polar molecule and the partial positive charge on another polar molecule. ... Therefore, polar molecules like HCl are held together by both dipole-dipole attractions and London forces
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Define biotic and abiotic factors and give an example of each.
Answers
Answer:
Biotic is something that is living such as people
abiotic is something that is dead such as the sun moon stars etc.
Explanation:
1. Which of the following is NOT an example
of an outpatient care service?
• Physical therapy
. Lab tests
• Urgent care center
• ICU care
Answers
ICU care (intensive care unit) is not an example of an outpatient care service that means you are currently in it. Thus, option D is correct.
What is the Hospital facility?A hospital facility could be defined as a place where sick or injured people are given the extreme care or treatment with respect to their disease or injuries. It includes a hospital, clinic, urgent care centers like ICUs, etc. While a hospital is included in the hospital facility only not in the specialty hospital facility. So, the burn center often known as the burn unit delivers extreme and intensive care to the patients who burn by fire.
Home health care organizations and outpatient care facilities are provided to the patient outside the hospital or it means in the residence of the patient itself. A Burn center is an example of a specialty hospital facility. physical therapy you can walk to, labs are outpatient which are walk in and so are urgent care centers.
Therefore, ICU care (intensive care unit) is not an example of an outpatient care service that means you are currently in it. Thus, option D is correct.
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Which macromolecule is better for you if you needed energy and were trapped on an island for 10 days without a large amount of food? Why?
Answers
Answer:
Biology 1 End-of-Course Assessment Practice Test
For Multiple Choice Items, circle the correct response.
(1.02 MC) SC.912.N.1.1
If a company claims that its product has been proven scientifically, which of the following should
have taken place if the results are to be considered reliable?
A. The company should have held discussions with leading industry scientists.
B. Technology should have been used in both the gathering of data and data analysis.
*C. Results should have been peer reviewed and repeated producing the same findings.
D. The results of the investigation should have been published in popular magazines.
(1.02 MC) SC.912.N.1.1
Based on your knowledge of scientific investigations, which stage of scientific investigation did
the invention of the microscope significantly advance?
A. Communicating the results of experimentation
*B. Gathering the data for the investigation
C. Generating explanations of phenomena
D. Planning the investigation and experimentation
(1.02 HC) SC.912.N.1.1
A student is conducting an investigation to determine the effect of temperature on the
metabolism of yeast (Saccharomyces cerevisiae). Yeast and sugar are added to water, the gas
produced is captured, and its volume is recorded. Which variables should be held constant
during this investigation?
A. Mass of sugar and water temperature
*B. Mass of yeast and mass of sugar
C. Volume of gas and water temperature
D. Volume of gas and mass of yeast
(1.02 MC) SC.912. L.14.1
Scientific law and a scientific theory are similar in that both
A. are based on what we expect to happen based on natural history
B. describe the events that can be observed in nature
C. explain why events and conditions occur as they do in the natural world
*D. represent a large amount of scientific investigation and evidence
Which of the following STATEMENTS is/are false? (Select all that applies) A.)Energy can be transformed to a different form of energy or transported somewhere else. B.)Energy can neither be created nor destroyed. C.)The total energy of an open system is conserved. D.) The temperature of an object is the sum of all the kinetic energy of its molecules. E.)Energy forms spontaneously transform/change from "useless" to "useful" forms.
Answers
Answer:
d is false
Explanation:
because the heat determines the molecules stage of movement as in solid liquid or gas there fore making it d
How does your body’s flexibility naturally change as you age? A. Your flexibility increases. B. Your flexibility decreases. C. Your flexibility stays the same. D. Your flexibility increases in some muscle groups.
Answers
Answer:
B, Your flexibility decreases
Explanation:
PLATO
Answer:
B.Your flexibility decreases.
Explanation:
explain how molecules and compounds are different and use examples
Answers
Answer:
molecule is basic unit of compound.Compound is made up of various element.
Explanation:
Water is a compound made up of molecule of hydrogen and oxygen.
What are the small particles recently found in protons and neutrons?
Answers
Answer:
The answer to this is Protons are made from two up quarks and a down quark, while neutrons are composed of two downs and an up. The up and down quarks are the lightest varieties
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1. The body’s cells require oxygen for cellular respiration. They must also rid themselves of carbon dioxide, a waste product. How does this explain the change in breathing rate? 2. The cardiovascular system moves blood around the body. Blood carries oxygen to cells and removes carbon dioxide from them. How does this explain the change in heart rate? 3. What are some of the ways your body regulates body temperature during strenuous activity? 4. How did your body respond after you stopped exercising? a. What does this response tell you about your body’s ability to maintain homeostasis? Use data from each of the 5 parameters to support your answer. 5. Research the physiology of common cold and fever. Predict the effect of common cold and fever on the five parameters.
Answers
Explanation:
1. Usually a change in breathing rate occurs when the body is undergoing an increase in body activity such as when one running or exercising. At such a point of running, for example, the body increases the levels of oxygen for the increased cellular respiration.
2. Using the same example of someone who is running, at such point, medical professionals believe that the heart which is part of the cardiovascular system begins to increase the frequency at which blood is circulated around the body. Thus, resulting in a change in heart rate (or change in the number of pumps per sec).
3. The following are a few ways:
increase in sweat glands functions which brings out water from tiny holes in our skin to cool us off.increase in heart rate; pumping more blood into the body which helps in regulating body the temperature.4. After you stopped exercising usually this occurs:
the pumping rate of the heart reducesincrease in muscle and body strengthThis almost instant response tells us that our body has an automated ability to maintain internal body temperature (homeostasis).
The term “jet stream” is often used by weather forecasters to describe
Answers
Answer:
Jet streams are relatively narrow bands of strong wind in the upper levels of the atmosphere. The winds blow from west to east in jet streams but the flow often shifts to the north and south. Jet streams follow the boundaries between hot and cold air. ... The earth's rotation is responsible for the jet stream as well.
Explanation:
Answer: The term jetstream is often used by weather forecasters to describe the west to E. Windsor Circle the globe Austin just below the polls and latitude and just beneath the stratosphere in elevation
Explanation:
Which of the following definitions correctly describes the naturally occurring carbon cycle?
The carbon cycle is a series of natural processes through which atmospheric nitrogen is converted by carbon into compounds used by plants and animals.
The carbon cycles is a series of naturally occurring processes where carbon and oxygen are exchanged between organisms and the environment.
The carbon cycle is a series of naturally occurring processes where carbon is exchanged between organisms and the environment.
The carbon cycle is a series of water transformations of water where it changes into water vapor and then converts to liquid water.
Answers
Answer:
The carbon cycle is a series of natural processes through which atmospheric nitrogen is converted by carbon into compounds used by plants and animals.
Explanation: Because animals that eat plants digest the sugar molecules to get energy for their bodies. Respiration, excretion, and decomposition release the carbon back into the atmosphere or soil, continuing the cycle.
describe the interior structure of a mitochondrion. HELP ME PLEASE !!!!!
Answers
Answer:
mitochondria are shaped perfectly to maximize their productivity. They are made of two membranes. The outer membrane covers the organelle and it contains it like a skin. The Inner membrane folds over many times and creates layered structure called cristae.
definition for excretory system
Answers
Answer:
The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body.
Explanation:
chloroplast produces what as a waste product
Answers
This is because after chloroplast produces the plants release oxygen (from production by chloroplast) to get rid of it. Making it essentially waste product
There are____ of proteins and only 20
amino acids.
A. hundreds
B. thousands
C. millions
Answers
Answer:
[tex] \huge{ \boxed{ \sf{Thousands}}}[/tex]
Option B is correct.
Explanation:
There are thousands of proteins and only 20 amino acids.
Hope I helped!
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The building in the pic was most clearly related to which of these features of Sumerian civilization
Answers
The human body is composed of cells, organs, organ systems, and tissues. How are these organized?
Answers
Answer:
cells, tissues, organs, organ systems
Explanation:
This is how these are organized - in terms of smallest to largest.
Can a single cell also be an organism?why?
Answers
Answer:
A unicellular organism depends upon just one cell for all of its functions while a multicellular organism has cells specialized to perform different functions that collectively support the organism.
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3. Imagine you were given an unknown dry substance and you added it to water and no matter how much you heated up the water or stirred the unknown substance, it wouldn’t dissolve in the water. What conclusions could you draw about the types of bonds and charges on the substance because it doesn’t dissolve in water?
Answers
Answer:
The answer is given below:
Explanation:
First, a knowledge of the chemistry of water and why some substance dissolves well in it, and while some don't even dissolve at all or are partially dissolved in water is needed.
Water in a simple chemistry term consists of two hydrogen atoms and one oxygen atom and is held together by a simple hydrogen bond which is only strong when the molecules are closer. Because oxygen and the hydrogen atoms share electrons, they form two covalent bonds. The covalent bonds of water are polar because of the electronegativity and for a substance to dissolve in water it has to be a polar substance too.
So the conclusions that could be drawn on the substance are: The substance is nonpolar making a separate layer on the water's surface. Stirring or heating the substance has little effect on the solubility in water because as the temperature gets high, solubility even decreases. Most of these substances don't have positive or negative charges.
Describe the differences in strength between ionic bonds, covalent bonds, hydrogen bonds, and Van der Waals interactions.
Answers
Answer:
A hydrogen bond (or H-bond) results when a hydrogen atom that is covalently bound to an electronegative atom (e.g. O, N, S) is shared with another electronegative atom. ... They are stronger than the van der Waals interactions, but weaker than covalent or ionic bonds.
Explanation:
Humans have an open circulatory system.
O True
O False
Answers
Answer:
False
Explanation:
Humans have a closed circulatory system, while many mollusks and other invertebrates have an open system. In a closed circulatory system, blood is enclosed within blood vessels.
How many years did it take to double between .5 billion and 1 billion?
Answers
Answer:
2
Explanation:
you take 1 billion and divide it by 0.5 and to check your work you would take your answer and multiply it by 0.5
