14. Brainstorm and write at least 3 potential challenges or important points to consider when conducting the described
data collection.


Answers

Answer 1

When conducting an experiment, there are different aspects to consider, such as the question that drives to the reseach, the hypothesis, theoretical framework, variables involved -independent, dependent, and controll-, methodology, study groups, data analisys, among others.    

In the exposed example, Pincky is lacking theoretical framework, defining which are the study groups, methodology to collect data, and a description of data analysis.

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The scientific method is a research method that consists of systematic observations, measures, experimentation, analysis, and verification of a hypothesis. It is based on two aspects: reproducibility, which is the capability of reproducing the experiment in any other place by any researcher, and refutability, which is the susceptibility to be refused.

When conducting an experiment, you need to consider,

Definition and problem statement. The question for which there is not an answer yet.

Hypothesis formulation. A hypothesis is a scientific conjecture, not verified, that requires corroboration.

Data collection and analysis. This step involves testing the observations.

Results

Verification of hypothesis. This step involves the deriving of the working hypothesis.

Discussion and Conclusion.

Previous knowledge about the study object is always required for a better understandig.  A question the investigator wants to answer. The main goal of the study, which is basically what the investigator wants to find out. The researcher makes a hypothesis to predict what is going to happen. The experiment is to be performed to answer the question. The conclusions through which the hypothesis might be rejected or accepted.

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So in this experiment there must be,

Theoretical framework, such as information about the species, life stage at which they begin chirping, about external factors that might affect it or benefit it, and etcetera.

The goal: To know how temperature affects cricket´s chirping

Hypothesis: Crickets chirp less frequently under cold temperature than under warm temperature.

Variables: Temperature → Independent

                 Chirp frequency → Dependent

                 Water and food supply, light exposure, refuge → Controlled

Study groups: group of crickets exposed to a warmer temperature

                        group of crickets exposed to a colder temperature

Methodology: Individuals analyzed should be in the same development stage, or at least be sexually mature. Two groups of 10 individuals each should be placed under the same conditions, excepting for temperature. One of the groups should be exposed to warmer temperatures and the other one to lower temperatures. Chirps should be recorded for a week.

Data analysis: Using the chirps records, the frequency can be measured for each group. Results should be compared using different statistical analyses.

Results: Results should be clearly exposed, using texts, charts, and graphs.

Discussion and Conclusion: Hypothesis acceptance or rejection. Discussion about the expected results against the observed ones.

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Related Questions

Explain how you would find how much water you need to order for your crop?

Answers

Answer:

The ETa is the water use of a particular crop at a given time. ETa of an annual crop reaches its maximum at full canopy and can be higher or lower than PET, depending on the crop.

explain why men should not blame their wives for not bearing them male children​

Answers

Because you cant pick the gender of your child its random and also is the males genes that decide it I’m pretty sure

Answer:

Because the woman nor the man can control what the sex of their child is, neither party should be blamed. All a parent can do is hope that their child will be one of good character and morals, no matter their gender or anything else.

Explanation: hope this helps .

Which is the end result of cytokinesis from a cell undergoing mitosis?
a. one cell that has two identical copies of DNA
b. one cell that has two different copies of DNA
c. two cells that have two identical copies of DNA
d. two cells that have two different copies of DNA

Answers

Answer: C two cells that have two identical copies of DNA

Explanation: Took the test!

Fertilizer sacks have a three- number value called the NPK value written on them. What does the NPK stand for (18-24-12 written on the bag)?

Answers

Answer:

it's a label number

Explanation:

Every label carries three conspicuous numbers, usually right above or below the product name. These three numbers form what is called the fertilizer's N-P-K ratio — the proportion of three plant nutrients in order: nitrogen (N), phosphorus (P) and potassium (K).

PLZ I NEED SOON!!!
Ethan began making a model to show the processes which resulted in the formation of oceans
Which of the following would be the next step in the process?
Crust is broken down
Earths crust moves
Earths plates meet
Sea floor spreading

Answers

It has to be either A or B bc the other 2 were already used, I would go with B) earth crust moves

The next step in the process is sea floor spreading. The correct option is D.

What is sea floor spreading?

Tectonic plates, which are huge chunks of the lithosphere of the Earth, split apart from one another during the geologic process of seafloor spreading.

The oceanic basin is the result of sea floor spreading.

The ocean crust and its basins are formed when the sea floor spreads and separates after the basin has been filled with water.

All of these result from various plate interactions within the planet.

New ocean floors are created by volcanic activity at spreading centers at divergent borders after the crust has developed and accumulated water.

The production of fresh crust occurs close to the margin, and subsequent crusts push against and away from it. Ocean basins are created by the development of new ocean floors.

Thus, the correct option is D.

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name any two organisms which do not reproduce sexually

Answers

Two examples of organisms who do not reproduce sexually are:

1. Yeast

2. Hydra

What would be considered a quantitative observation

Answers

Answer:

height of radish seedlings is measured.

Quantitative observation is a method of collecting objective data that is largely focused on numbers and values — the phrase means "related with, of, or portrayed in terms of a quantity." Sending out surveys, questionnaires, or polls is a common method of quantitative observation.

quantitative observation include age, weight, height, length, population, size, and other numerical values while, qualitative observation are color, smell, taste, touch or feeling, typology, and shapes.

OAmalOHopeO

Answer:

Gathering data in large quantities to help solve the situation.

Explanation:

imagine a boy name Marco was doing a science project about a certain specimen like a plant but he couldn't understand it he would need to us quantitive observation skills to understand an break down the problem.

what is classification of living things​

Answers

Answer:

The classification of living things are

kingdom

phylum

class

order

family

genus

species

sexual reproduction drives
a)meoisis
b) genetic symmetry
c) reproductive strategies
d) genetic diversity​

Answers

Answer:

a) Meiosis

Explanation:

Meiosis is a form of cell division that occurs in sexually reproducing animals' germ cells and is utilized to create gametes such as sperm and egg cells. It takes two rounds of division to produce four cells, each with only one copy of each chromosome.

what is the main difference between plant and animal cell ​

Answers

Answer:

The vacuoles are different sizes.

Explanation:

Scientists have developed a new type of margarine that contains plant ingredients. They expect that the margarine will lower blood cholesterol levels. They want to test their hypothesis by comparing the blood cholesterol levels of people who will consume the new margarine with those who will consume regular margarine for a few days. Both groups of people will know which type of margarine they are to consume. Which type of research design will the scientists consider

Answers

Answer:

intervention study

Explanation:

The intervention study or research helps to examine the effects of an intervention of an outcome of interest. The main purpose of this type of study is to endenger the desirable of the individuals in need.

Such studies are often prospective.

In the context, scientist who have developed a new margarine containing plant ingredients. The scientists wanted to test the hypothesis whether consuming this new margarine lowers blood cholesterol in the body or not. They gave people to consume the margarine and is doing the research study. Such a research design is called as the intervention study.

what is mitosis? In detail​

Answers

Explanation:

a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

The major purpose of mitosis is for growth and to replace worn out cells.

An example of mitosis is the way the skin cells covering a child's body all multiply while they are growing

In a desert ecosystem a species of herbivores died out because the organisms developed a disease. a few months later a larger carnivores species also experience a population decline that was directly related to the change in the herbivore population, what’s the most likely cause for this declined?

A. The carnivores and the herbivores competed for the same food supply

B. The carnivores prayed on the herbivores food

C. The carnivores depended on the herbivores for living space

D. The carnivores and herbivores competed for the same mates

Answers

B

Carnivores eat meat, Herbivores don’t.

help me plz, will give 10 pointzz and a brainliest

Answers

Answer:

a. (black fur): phenotype

b. (AA, Aa, aa): genotypes

c. (Aa): heterozygous

d. (aa): hom0zygous recessive

e. (AA): hom0zygous dominant

Explanation:

(lol brainly wont let me some of the words)

I took bio and genetics I hope this helps !!!

What is the likely cause for the Cheetah losing genetic diversity?

Answers

Cheetahs face extinction pressure from climate change, hunting by humans, and habitat destruction, which is reducing the size of their populations. Cheetahs' own genes also pose a challenge to their continued survival

Answer: Cheetahs face extinction pressure from climate change, hunting by humans, and habitat destruction, which is reducing the size of their populations. Cheetahs' own genes also pose a challenge to their continued survival

Explanation:

Hope it helps you if not sorry

In maize, yellow kernel color is dominant to white, and wrinkled kernel shape is dominant to the smooth form. Considering both of these traits jointly in self- fertilized dihybrids, the progeny appeared in the following numbers: 193 white, genes assort independently? Support your conclusion using appropriate statistical analysis. wrinkled; 184 yellow smooth; 556 yellow, wrinkled: 61 white smooth

Answers

Answer:

yellow, wrinkled are high in population whereas white smooth is lower in population.

Explanation:

Due to self-fertilized dihybrids, the offspring are yellow wrinkled, hybrid and white smooth. 556 yellow, wrinkled are high in population because of the dominant allele while on the other hand, 61 white smooth are obtained and less in number due to recessive nature that comes very little in the population. 184 yellow smooth and 193 white, wrinkled are the hybrid offspring that has both different characteristics from their parents.

Scenario: Kenneth and Catherine Lohmann of the University of North Carolina explored the orientation or direction-finding abilities of loggerhead sea turtle hatchlings under varying magnetic conditions. Hatchlings were placed in a tank of water in a laboratory either in the natural magnetic field of the earth OR in a reversed magnetic field in which north and south were flipped. The researchers then measured the direction that the hatchlings swam. The experiments were carried out in the dark and at night since that is when most newly hatched turtles migrate from their sandy nests into the ocean. What is the variable being tested in this experiment

Answers

Answer:

Variable being tested: The direction taken by the hatchlings under different magnetic fields.

Explanation:

The independent and the dependent variables are the two principal factors needed in an experiment.  

Independent variable: Refers to all the variables in an experiment that provoke a response in another variable. The independent variable changes or is controlled and modified in the experiment to analyze how another variable responds to it. It changes to analyze its effects on the dependent variable. Usually, the independent variable is represented by the X letter.  Dependent variable: Refers to the variable that reacts to the changes produced in the independent variable. Depending on how the independent variable is modified, the dependent variable change. It is usually identified by the letter Y.

In the exposed example, we know that

Goal: To explore the orientation or direction-finding abilities of loggerhead sea turtle hatchlings under varying magnetic conditions.

Experiment:

The hatchlings were placed in water tanks in the laboratory, under dark conditions and during the night.

Tanks in a natural magnetic field  Tanks in a reversed magnetic field ⇒ north and south were flipped

Observations were done about the swimming direction of the hatchlings

Variable being tested: The direction taken by the hatchlings under different magnetic fields.

In this experiment, the independent variable is the magnetic field conditions. The alternative conditions -how this variable is modified- are the Natural magnetic field and Reversed magnetic field. Researchers are no interested in the magnetic field, they are interested in analyzing how the change in the magnetic field affects the turtles´ orientation. Then, we can assume that the dependent variable is the direction taken by the turtles. It depends on the change in the magnetic field. Researchers are interested in testing how the change in the magnetic field affects the orientation of the turtles. This is the variable being tested in the experiment.

Orientation abilities of loggerhead sea turtle.

Kenneth nd catherine are working on a university project to the find out the orientation or the direction finding abilities of the logger head sea turtle as their hatchlings lay indifferent magnetic conditions. They are placed in differences environments. They are also kept in revere magnetic fields.

Thus answer is based on the magnetic field.

As per the exploration and findings the abilities of the sea turtle were carried out in the dark night and since they migrate to their nest in the ocean the variables such as Independent Variable was  analyze its effects on the dependent variable. Usually, the independent variable is represented by the X letter.  The dependent variable showed the changes that took place due to the changes in the independent variable and these were related to the use  of light, distance and navigational direction.Hence the option is A magnetic field.

Learn more about the Kenneth and Catherine.

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Which of the following is true about glass recycling? a. Recycling glass reduces the rate of deforestation. b. Recycling glass eliminates greenhouse gas emissions. c. Recycling glass is an energy-saving practice. d. Recycling glass has an incredibly short turn around time. Please select the best answer from the choices provided A B C D

Answers

Answer:

C.  

Recycling glass is an energy-saving practice.

Explanation:

Got it right on the test

The claim that recycling glass is an energy-saving activity, hence option C is correct.

What is glass recycling?

Recycling is a beneficial activity that involves recycling things that have been taken from the environment.

Recycled glass production decreases linked to water and air pollutants by 50% and 20%, respectively. Glass recycling frees up landfill areas that would otherwise be occupied by old bottles and jars.

Recycling is a sustainable ecological strategy that might aid in preserving our world. Because recycled materials are used again instead of being synthesized from scratch, recycling may also help us conserve energy.

Therefore, it can be said that recycling glass is a technique that helps to conserve energy, hence option C is correct.

Learn more about glass, here:

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The ___ in an experiment is the factor that is being
changed, or tested.

- control group
- dependent variable
- independent variable
- constant

Answers

Answer:

Independent Variable

Explanation:

The independent variable is what we are changing or what is being tested.

The control/constant group is when you do not change anything and you want to see how the object acts under normal conditions.

The dependent group is what you are measuring. (aka your data/results)

The endosymbiotic theory helps to explain the origin of which structures?
mitochondria
ribosomes
nuclei
cell membranes

Answers

The right answer is mitochondria

The answer is B :)
What connects the respiratory and circulatory systems? O A. Arteries OB. Alveoli O C. Hormones O D. Aorta

IT'S B!!!

Answers

Answer:

OA

Explanation:

oa ia best answer in my opinion

Hi,

What connects the respiratory and circulatory systems?

Answer:

OB. Alveoli

An igneous rock has large red, black, and green crystals How else can this rock be accurately described?
fine texture
cooled quickly
intrusive origin
created by lava

Answers

created by lava is the answer

DNA's genetic information is copied to form ___ RNA, which then delivers it to the ___ where protein synthesis occurs.

Answers

Answer:

DNA's genetic information is copied to form mRNA, which then delivers it to the ribosome where protein synthesis occurs.

Explanation:

During transcription, RNA polymerase uses a single-stranded DNA template to synthesize a complementary strand of RNA. The mRNA then travels from the nucleus to the cytoplasm where ribosomes are found. Ribosomes are structures that are responsible for making proteins.

An amoeba moves out a large particles by what process?
A
diffusion

B
endocytosis

C
exocytosis

D
osmosis

Answers

Answer:

C .Exocytosis is the process by which a large amount of molecules are released.

What is the function of hemoglobin in the body?

A) It binds with oxygen in red blood cells and it is carried to all parts of the body
B) It carries carbon dioxide around the body mainly
C) It causes stomach ulcers/stomach pain/gas
D) It is a protein marker determining our blood type

Answers

Answer:

A

Explanation:

Answer:

A....it binds with oxygen in red blood cells and it is carried to all parts of the body

Explanation:

haemoglobin binds with oxygen to form oxy- haemoglobin..and transported to where it's needed for example cells for metabolism

What conclusions did Watson and Crick reach after reading Franklin’s report discussing the symmetry of DNA?

Answers

Answer:

They formed a revised model.

Explanation:

After seeing Franklin's x-ray images of DNA and her report on DNA's symmetry, Watson and Crick formed a revised model of DNA's structure i.e. a double helix with sugar-phosphate backbones that is running in opposite directions. Watson, Crick, Franklin, and Wilkins are co-discovered the double-helix structure of DNA, which formed a basis for modern biotechnology. Images taken by Franklin allowed James Watson and Francis Crick to create their two-strand, or double-helix, model.

A cell membrane is very specific about what it allows to cross.how does this help the cell?

Answers

Answer:

The cell membrane is selectively permeable . It lets some substances pass through rapidly and some substances pass through more slowly, but prevents other substances passing through it at all. Some small molecules such as water, oxygen and carbon dioxide can pass directly through the phospholipids in the cell membrane

Grade 8 ( Geology )
1. Choose The Correct Answer:

i) Caves are formed by:
a. solution
b. oxidation
c. carbonation
d. hydration​

Answers

I think it's answer (c) I hope you are satisfied with my answer

Hippopotamuses live in Africa’s rivers and lakes. They’re herbivores and coexist with other herbivores and carnivores. Which action could lead to a decrease in the number of hippos?

Answers

Answer:

If any of the other carnivores are predator they might eat the hippos. If the other herbivores population incresses there food supply may drop. If there is a drought there habitat will be in danger. Pouchers are also a threat to this animal.

Explanation:

Maybe the decrease in plants they eat Otherwise known as deforestation

The Hippopotamuses lives in the river and lakes of Africa. They are herbivores and co exist with other herbivores and carnivores.

There can be two possible reasons for the decrease in the number of hippos.

The carnivores lion and hyena can eat the hippo(young hippos) which will reduce the number of hippos.

The other reason could be reduction in the number of plants that hippos eat.

hope this helps

Show that the acceleration is 7.5 m/s2 for a ball that starts from rest and rolls down a ramp and
gains a speed of 30 m/s in 4 s.

Answers

Answer:

(V-Vo)/t = (30-0)/4 = 7.5 m/s^2.

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