what is the difference between facts theory and hypothesis ​

Answers

Answer 1

Answer:

Fact: Observations about the world around us. ... Example: “It's bright outside.” Hypothesis: A proposed explanation for a phenomenon made as a starting point for further investigation.


Related Questions

How would you describe the structures of each macromolecule?

Answers

Biological macromolecules are large and complex. Macromolecules are made up of basic molecular units. ... The biosynthesis and degradation of biological macromolecules involves linear polymerization, breakdown steps (proteins, nucleic acids and lipids) and may also involve branching/debranching (carbohydrates).

What are the differences you can see when you compare the nucleons of a dividing cell with that of a non dividing cell

Answers

Answer:

Chromosomes will be seen in the nucleus of dividing cells (during mitotic and meiotic cell divisions) because they are visible when a cell is dividing as oppose to non dividing cells. Also, all processes of cell division from prophase, metaphase, anaphase to telophase will be seen :)

What impact could artificially raising the carrying capacity have on the deer
population long term?

Answers

Answer:

Deer population increases.

Explanation:

Deer population increases if increasing occur in carrying capacity of an ecosystem by artificial means because more food, water, shelter and other resources are available to the deer due to increasing carrying capacity of an ecosystem. If food, water and shelter are available in large amount to the deer so they reproduce rapidly and increase occur in their population.

Consider an organism that has a dominant phenotype, is it possible to determine its genotype? explain your answer

Answers

Answer:

Yes, it is possible via testcrossing

Explanation:

The law of dominance has made it possible that a phenotype may be expressed without knowing the actual genotype (allele combination). This occurs when an allele is dominant over another allele (recessive), hence, the dominant phenotype can either be in a heterozygous or purebred state.

However, a way to discover the genotype of an organism that is portraying dominant phenotype is TEST CROSS. Test cross is the crossing of the unknown genotype with a recessive condition (will contain same recessive alleles).

After crossing, the offsprings will be used to determine whether the parent with unknown genotype is heterozygous or not.

- If the offsprings all exhibit the dominant phenotype, the unknown genotype contains the same dominant alleles e.g DD.

- If 50% of the offsprings exhibit a recessive phenotype, the unknown genotype is heterozygous e.g Dd.

In science writing, what is the purpose of historical points of reference?

to help readers connect prior knowledge to new discoveries

to help readers sympathize with past scientists

to help readers understand an especially difficult concept or idea

to help readers understand the complete history of a scientific idea

Answers

Answer:

to help readers connect prior knowledge to new discoveries

Explanation:

Since scientists are always making new studies and or discoveries, it is important that the readers understand how prior information has changed and how it has improved since the past. This could also allow for the readers to learn about new inventions and new procedures these scientists have used to upgrade previous discoveries or to create new ones.

Hope this helped!

In science writing, what is the purpose of historical points of reference to help readers connect prior knowledge to new discoveries. Thus option A is correct.

what is science writing ?

The science writing is defined as the writing about a scientific subject matter in a non-technical manner for an audience of non-scientists called popular science writing.

Science writing may refer to writing that reports of scientific observations and results are obtained in a manner governed by specific conventions. More commonly known as scientific writing.

scientists are always make new studies and or discoveries, it is important that the readers understand how prior information has changed and how it has improved since the past.

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HELPPPPPPPP
What is the amplitude?
A. the distance from the center of the wave to the crest or the trough.
B. The distance between the two crests
C. The highest point in the wave
D. The lowest point in the wave

Answers

amplitude: the height of the wave as measured between the trough and the crest. so i think the answer is A?

The distance from the center of the wave to the crest or the trough, hence option A is correct.

What is amplitude?

It alludes to the greatest departure from equilibrium that an item in periodic motion may exhibit. As an illustration, consider how a pendulum moves through its equilibrium point (straight down) and then moves outward to its maximum extent.

Measure the largest displacement of a point in the wave's medium from its resting position to determine its wavelength. Measure the length of the wave's cycle, generally from peak to crest or trough to trough, to determine its amplitude.

Think about how a pendulum travels through its equilibrium point (straight down) and then goes outward to its farthest point as an illustration.

Therefore, the distance from the center of the wave to the crest or the trough, hence option A is correct.

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what the best examples of fungi reproduction?

Answers

Answer:

Fungi reproduce asexually by fragmentation, budding, or producing spores. Fragments of hyphae can grow new colonies. Mycelial fragmentation occurs when a fungal mycelium separates into pieces with each component growing into a separate mycelium. Somatic cells in yeast form buds.

Mycorrhiza is the best example of fungal association with higher plants.

Name two processes that require energy from ATP.

Answers

1) intracellular signalling
2) DNA and RNA synthesis

Describe how rodent and human skeleton's are similar in structure and function.
Please help, ill give brainliest:))))

Answers

Answer:

Both a human and rodent skeleton have skulls, but they aren't much alike. Both the human and rodent skeleton need calcium to keep their bones strong. Both a human and rodent skeleton have 24 ribs, these are used to protect vital organs.

how are earth worms important in the environment. ?​

Answers

Answer: By their activity in the soil, earthworms offer many benefits: increased nutrient availability, better drainage, and a more stable soil structure, all of which help improve farm productivity. Worms feed on plant debris (dead roots, leaves, grasses, manure) and soil.

Answer:

Worms help to increase the amount of air and water that gets into the soil.

A change in DNA could alter the amino acid order which will affect the folding of the protein, and therefore it's function. True or false

Answers

Answer:

true

Explanation:

amino acids are complex macromolecoules therefore it would alter the genetic structure of the compound thus changing its dna

This is a true !Hope im not too late

Can you help me with this please it’s science

Answers

Answer:

A

Explanation:

a

A- because most everything is science is changing and has been changed through new technologies

Find an
equivalent ratio in simplest terms
90 : 14

Answers

Answer:

45:7

Explanation:

Change the following sequence (GGAUUC) to show:
a. Substitution
b. Insertion
c. Deletion

DONT CHOOSE A< B< C
I need each of those to have an answer. So if you dont know how to do it , dont say anyhting. I will give brainlist

Answers

Answer:

Given the sequence of bases of the RNA GGAUUC, the possible mutations would be:

a. Substitution: GGAUUC → GGAAUC

b. Insertion: GGAUUC → GGACCUUC

c. Deletion: GGAUUC → GG_UC

Explanation:

The fragment observed is recognized as RNA, due to the presence of uracil (U). The mutations observed in this fragment are derived from a mutated DNA molecule, which was transcribed into mRNA

Substitution is a molecular mutation that occurs when one nitrogenous base is changed to another in the DNA sequence.                              GGAUUC → GGAAUC   Mutated DNA: CCTTAGInsertion occurs when entire bases or segments are added to the original genetic material, resulting in a longer molecule.                                 GGAUUC → GGACCUUC     Mutated DNA: CCTGGAAGDeletion is a type of mutation where genetic material is lost, which can be nitrogenous bases or segments of the molecule.                                GGAUUC → GG_UC     Mutated DNA: CC_AG

Each of these mutations can have an effect on protein synthesis, affecting the structure or function of the final protein.

How do frogs and toads, as well as salamanders, typically protect themselves from predators?

by injecting venom into the predator using teeth

by crawling or hopping to a safe place

by squeezing the predator to suffocate it

O by rolling over and pretending to be dead

Answers

Answer:

by crawling or hopping to a safe place

Explanation:

Most Amphibians like frogs, road, salamander protect themselves from predator by hopping and crawling to a safe place because they have the ability to puff out and look bigger in the sight of the predator. They can also remain underneath in water quietly for a long time. For example frog secrete moisture which sometimes it is irritating to the predators and serve as a defensive mechanism.

Answer:

Answer:  

by crawling or hopping to a safe place

In humans, hemophilia is sex linked. If a woman is a carrier for the trait, what is the chance that her daughters will also be carriers? (Assume their father is normal.)

Answers

There is a 50% chance the daughters will be carriers of the trait.

The little x on the diagram I drew represents the trait.

can someone please help me out on this :,,,) I’ll fail if I get this wrong

Answers

Answer:

1. plant chlorophyll

2. energy 3.molecules 4.oxygen 5.carbon dioxide 6.hydrogen 7. sugar molecules

Smokers, alcohol abusers, overweight and obesity men are more
likely to have sperm which are?

Answers

Answer:

fewer in number.

Explanation:

A low sperm count also known as oligospermia can be defined as a medical condition which typically involves a man (adult male) having fewer than 15 million sperm per millilitre of semen.

Basically, low sperm count (oligospermia) is usually caused in men due to health and lifestyle factors such as smoking, alcohol or drug abuse, obesity, genetics, sexually transmitted infections (STIs), age etc.

Hence, smokers, alcohol abusers, overweight and obesity men are more likely to have sperm which are fewer in number i.e fewer than 15 million sperm per millilitre of semen.

Generally, a healthy or normal sperm motility ranges from over 20 million to 200 million sperm per millilitre of semen.

What is oxygen and how would you describe it ?

Answers

Answer:

Oxygen is a colourless, odourless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide as a source of carbon and return the oxygen to the atmosphere.

29. Which of the following occurs throughout most
of a star's lifetime?
A. matter ejection
B. gas contraction
C. heavy core formation
D. nuclear fusion

Answers

Answer: Nuclear fusion
Reasoning: most of a stars life is in the main sequence phase. This is the phase where nuclear fusion turns hydrogen into helium.

Do You Think Their DNA Is Different From A Person Who Does Not Have DMD ?

Answers

Answer:

arriers may not have any disease symptoms but can have a child with the ... A good way to find out more about the inheritance pattern in your family is to talk to ... one parent, she usually also gets a healthy dystrophin gene from her other ... at a Glance · Creating a New Therapy · What We've Achieved · MOVR Data Hub

Explanation:

produce the eggs or ova​

Answers

Explanation:

yes produce the eggs and ova

The ovaries produce the egg cells, called the ova or oocytes.

Ecological ____

is the change in population and

diversity of different species present in an ecosystem over

time.

Answers

Answer:

Ecological succession.

Explanation:

Fiona wants to use the scientific method to answer the question "Do oxygen levels in the air of photosynthesis?" She reads about photosynthesis in her biology book and is ready to carry the next step. should she do next? O perform an experiment design a procedure make observations a hypothesis

Answers

Answer: hypothesis, prediction, design experiment, carry out experiment, etc

Explanation:If the question is supposed to be, is there a connection between atmospheric oxygen level and photosynthesis, then the next step would be to frame the hypothesis, which could be, for example,

“photosynthesis requires oxygen”,  and a prediction such as,,

in a closed system, photosynthesis will reduce the oxygen level, or even photosynthesis does not proceed without oxygen.

and a format to test the hypothesis (design an experiment)

perform the experiment

collect data

analyse data

(of course, in this case, the data will support the null hypothesis).

Answer:

The correct answer is D!:)

Explanation:

Hope this helps!:)

please answer this nicely.

If you'll be given a chance to choose what energy to use either GEOTHERMAL ENERGY or SOLAR ENERGY, what energy would you pick and why?​

Answers

Solar energy: wind, electro voltaic panels.

When sun is not shining, expensive battery backup or supplemental fossil fuel is required.

Geothermal is continually available. Comes from heat below the earth crust. Have to dig deeper to acquire in some places but most cases it would be the best and most reliable option. Agree??

Have a ground coupled heat pump that heats and cools our home.

What type of natural feature is most common in Japan?

deserts
grasslands
rainforests
volcanoes

Answers

im pretty sure its volcanoes. Japan has over 100 active volcanoes

_______measure air temperature and _______measure air pressure.​

Answers

Thermometer — barometer

Answer:

thermometer and barometer

Explanation:

because

a thermometer has a dry bulb that measures the air temperature

and

the most common instrument used to measure air pressure is a barometer

Cells in the nervous system act independently, but cells in the circulatory system function together.

Answers

Answer:

Cells in the nervous system are different in structure from cells in the circulatory system, and they carry out different specialized functions.

Explanation:

Answer:

it is because here full co ordination is required

Explanation:

In what section would the following statement be located in a lab report: “My experiment tested the efficiency of chelation in treating atherosclerosis by examining the effect of EDTA on egg shells.”?

Answers

Aim but it needs to reworded

Aim: To test the efficiency of chelation in treating atherosclerosis by examining the effect of EDTA on eggshell

12.
Which statement correctly distinguishes the functions of lipids from other types of biomolecules?
F.
They are used to store genetic information.
G.
They help with the regulation of blood glucose.
H.
They are a major component of cell membranes.
J.
They are made up of several different amino acids.

Answers

Answer:j

Explanation:

The statement that correctly distinguishes the functions of lipids from other types of biomolecules is: They are a major component of cell membranes.

BIOMOLECULES:

There are four major biomolecules in nature and they are carbohydrates, proteins, lipids, and nucleic acids.

Each biomolecule perform specific functions in a living system. Some major functions of each biomolecule are as follows:

Proteins: They are involved in the repair of tissues and regulation of biochemical activities. Carbohydrates: They are involved in the storage and supply of energy for cell's. Nucleic acids: They are involved in the storage and transmission of genetic information in living cells. Lipids: They are major component of the cell membrane of living organisms.

Therefore, the statement that correctly distinguishes the functions of lipids from other types of biomolecules is: They are a major component of cell membranes.

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