(40 points) Look at the diagram below. Which animals are most closely related? Which animals are least closely related? Explain your answer.
Answer:
The most closely related are amphibians and reptiles.
The least related are amphibians and mammals
Explanation:
Amphibians broke off from reptiles, birds, and mammals around 260 millions years ago and next up are the reptiles which broke off around 225 million years ago. So they are the most closely related
Mammals are the last to break off, around 200 million years ago. So they are the least related to amphibians.
what are four stages of hair growth with their descriptions
2 An atom has 9 protons, 10 electrons, and 10 neutrons.
Answer:
the element is potassium
Two moths of the same species are colored the same shade of brown and inhabit the same forest. One has the genotype BB and the other Bb. Their genotypes are different; their survival rate could be expected to be
a. the same since natural selection works on phenotype
b. different since natural selection works on genotype
c. the same since genotype and phenotype do not matter in natural selection
d. different since natural selection works on phenotype
Answer:
A. the same since natural selection works on phenotype
Explanation:
Natural selection acts on the phenotype, not the genotype. But it can cause changes in the genotype.
Is this right? If it is not please tell me the correct answers!
Answer: You are correct!
A prokaryote is a single-celled organism that lacks a nucleus, and other membrane-bound organelles. Ex) blue-green algae, bacteria and mycoplasma
A eukaryotic cell is any cell or organism that possesses a clearly defined nucleus. Plant and animal cells are classic examples of this.
How did dark brown skin evolve from our ancient early ancestors?
Answer:
Image result for How did dark brown skin evolve from our ancient early ancestors?
Evolution. Due to natural selection, people who lived in areas of intense sunlight developed dark skin colouration to protect against ultraviolet (UV) light, mainly to protect their body from folate depletion. Evolutionary pigmentation of the skin was caused by ultraviolet radiation of the sun.
Explanation:
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A state cooperative extension in a high-humidity, subtropical climate zone is most likely to prioritize offering information about which of the following crops
Wheat
Apples
Hardy bulbs
Cutrus
Answer:
citrus
Explanation:
I just did the assignment
Which of the following creates strong downdraft winds produced by a thunderstorm?
Pressure differences between the surface and the thunderstorm
Precipitation falling from the thunderstorm
Temperature differences from the surrounding environment
Humidity gradients caused by the thunderstorm
Answer:
precipitation falling from the thunderstorm
Explanation:
when precipitation falls into the updraft, the falling particles drag air down with them, creating 'sinking air' or 'downdrafts'.
Answer:
pressure difference between the surface and the thunderstorm
4. What causes rocks to change from one type to another? L
Answer:
Over time rocks change from one type to another. One component of the rock cycle is metamorphism, which is a process of changing the mineralogy, texture and chemical composition of rocks by heat, pressure and chemical processes. The resulting type of rock is known as a metamorphic rock.
What kind of macromolecule is shown below?
A. Lipid
B. Carbohydrate
C. Water
D. Nucleic acid
The macromolecule shown below is Carbohydrate. Thus, option "B" is correct.
What is carbohydrates?Carbohydrates are a type of micronutrient present in certain kinds of food and are grouped into different groups such as :
MonosaccharidesDisaccharides.Oligosaccharides. e.t.cAnd some example of foods which carbohydrates can be derived from includes :
RiceBreadTable sugarCarbohydrate foods are energy producing/generating foods therefore we can conclude that Carbohydrates provide energy for living things
.Thus, option "B" is correct.
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What is evolution? Why is evolution referred to as a theory?
Answer:
Evolution is is the change in the characteristics of a species over several generations and relies on the process of natural selection. it is reffered to as a theory because it is an incontrovertible fact that organisms have changed, or evolved, during the history of life on Earth.
Explanation:
Humans need gasoline for transportation, but burning
gasoline releases many pollutants. City governments can
set policies to decrease the amount of gasoline their
citizens use.
Which two policies would be most likely to decrease a city's gasoline use?
A. Creating pedestrian-only areas
B. Lowering the cost of gasoline
C. Building a mass transit system
D. Limiting the use of street lights
Answer:
B and C
Explanation:
A good conclusion restates the hypothesis so that the reader
does not have to return to the beginning of the report.
sees how the scientist applied the results to the hypothesis.
understands how the methods relate to the hypothesis.
recognizes that the hypothesis was correct.
Answer:
a VALID conclusion proves a hypothesis until other data disputes or proves otherwise, and requires high degree scientific integrity in methodology to produce reliable results over time through replicated experiments ..
what is the difference between nature and nurture
Answer:
Nature is the plants and natural life that surrounds us everyday while nurture means to care for or attend to something.
Answer:
Nature is what we think of as pre-wiring and is influenced by genetic inheritance and other biological factors. Nurture is generally taken as the influence of external factors after conception, e.g., the product of exposure, life experiences and learning on an individual.
what important services do forest provide? how might their destruction have an effect on humans?
Answer:
the most important service the forest provides I think is that they filter out polluted air and turns it into clean air
Action of Parathormone isincrease blood calcium level? is it true?
Answer:
This Is True
Explanation:
I Use This As Evidence To Show My Answer It Right
"Parathyroid hormone regulates calcium levels in the blood, largely by increasing the levels when they are too low."
Hope This Helped
when a tall male with a genotype of Tt is crossed with a tall female with a genotype of Tt what is the probability that they will produce offspring with a phenotype of being tall?
0%
25%
75%
50%
Which statement best describes the germ theory of disease?
Answer:
D. diseases are caused by the presence and action of specific micro-organisms
Explanation:
I just did it
How many types of cell signalings are there?
(a) Four
(b) Five
(c) Seven
(d) Eight
Answer:
a
Explanation:
generally there are four types of cell signaling. this a common mcq which was asked several times.
Question 5 of 10
A science student makes the following statement.
Based on the data, we determined that plant growth is
affected by the type of soil.
What is the student doing?
A Collecting data
B. Forming a hypothesis
C Drawing a conclusion
D making a prediction
Answer:
C.
Explanation:
The student draws a conclusion when they realize that the plant growth is affected by a type of soil.
Kynndal had just turned two years old. She was a Daddy's girl who loved to help her Dad wash his motorcycle. She could often be found running around the house making motorcycle noises and would ask her Dad to take her for a ride on his motorcycle. Dad would hold her and let her sit on his bike but he wasn't ready to take her for a ride yet. She was too small and he feared she would fall off. Since she couldn't ride with Dad, for her birthday, Dad got her a battery propelled Lil' Rider three wheeled sports bike. She was excited to rid her little bike and be like Daddy. On her first ride down the sidewalk, her neighbor's dog (a big mastiff), ran over to Kyndall to greet her but accidentally knocked her off of the bike. Kyndall started crying and grabbing her leg. Seeing that the left leg had a huge knot, she was rushed to the neighborhood clinic where she was diagnosed with a fracture of the tibia. A pretty pink cast was placed on her leg and she was allowed to go home. A follow up visit to an orthopedic surgeon revealed that no surgery was necessary. Whew! Describe the bone cells that are involved in generation of bone tissue.
Describe the steps of fracture repair.
The physician indicated that Kyndall was lucky because the fracture occurred about 3 inches below the epiphyseal plate. Why is this important? What are some possible outcomes if the epiphyseal plate had been damaged?
What type of fracture do you think occurred and why?
The steps of fracture repair include:
Hematoma formation.Fibrocartilage Callus Formation.Bony Callus Formation.Bone remodeling.What is a fracture?A fracture is a complete or partial break in a bone. The causes of bone fractures include trauma, overuse, and diseases that weaken bones.
In this case, Kyndall was lucky because the fracture occurred about 3 inches below the epiphyseal plate as this means the fracture does not break through the bone at the growth plate.
An improperly treated growth plate fracture could result in a fractured bone.
Lastly, the type of fracture is a nondisplaced fracture is one in which the bone cracks or breaks but retains its proper alignment.
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You will write an argumentative essay to the “Bill and Melinda Gates Foundation” to convince them to support the use of genetically modified organisms in agricultural development and to support your team in developing the transgenic strain, knowing that this organization can provide the needed funding for your project.
The word count of your essay should be between 300 and 750.
Your essay should include at least 10 keywords from table 2.
Your essay will discuss how the new strain of the genetically modified plant will contribute to eradicating disease by using appropriate scientific methods that take into consideration any possible adverse health effects and environmental concerns (such as new potential allergies, herbicide-resistant weeds, and biodiversity issues for replacing other strains). It will also discuss why community acceptance of the new strain is important as a sustainable long-term solution as opposed to supplements or other food additives.
The purpose of your essay is to establish a stance on the urgency of the new strain issue by providing reasons and supporting evidence. When you’re writing a persuasive essay, you need more than just an opinion to make your voice heard. Even the strongest stance won’t be compelling if it’s not structured properly and reinforced with solid reasoning and evidence. Your essay needs to be well written and should include the following 4 elements:
1. Introductory paragraph:
The first paragraph of your essay should outline the topic, provide background information necessary to understand your argument, outline the evidence you will present and states your thesis.
2. The thesis statement:
This part of your essay is a concise, one-sentence summary of your main point and claim.
3. Body paragraph:
You will explain the reasons why you support your thesis. You can discuss more than one idea or piece of evidence that clearly and concisely explain why the reader should agree with your position.
This is where you will back up your claims with examples, research, statistics, studies, and scientific evidence based on your knowledge in genetics and your answers in the graphic organizer.
Address opposing points of view and disprove them or explain why you disagree with them. Presenting facts and considering the topic from every angle adds credibility and will help you gain the reader’s trust.
4. Conclusion:
One paragraph that restates your thesis and summarizes all of the arguments made in your body paragraphs. Rather than introducing new facts or more arguments, a good conclusion will appeal to a reader’s emotions. In some cases, writers will use a personal anecdote explaining how the topic personally affects them.
Some of the points that you can use in your argumentative essay to support the use of genetically modified organisms in agricultural development are:
They are tolerant to herbicidesThey help in weed controlThey help maintain soil healthThey lead to a lower cost of laborThere is a greater nutrient composition Increase in food quality. What is an Argumentative Essay?This refers to the type of essay that makes use of logical arguments in order to convince or persuade a person about a point of view.
Hence, we can see that based on the argumentative essay prompt, you would need to show the good reasons why the use of genetically modified organisms in agricultural development should be supported and the above points should come in handy.
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Explain how parts of a glucose molecule are used to make amino acids.
Glucose particles are ingested from gastrointestinal cells into the circulatory system. The circulation system then, at that point, conveys the glucose particles all through the body. Glucose enters every cell of the body and is involved by the cells mitochondrion as fuel.
After entering the Krebs cycle, the glucose forms different intermediates such as fumarate, succinyl coA, oxaloacetate, etc. These intermediates form the amino acids like asparagine, aspartate, valine, phenylalanine, etc.
How are amino acids formed from glucose?Glucose enters the cell and undergoes the glycolysis process to form pyruvic acid. Pyruvic acid enters the Krebs cycle and produces a variety of intermediates such as citrate, succinate, fumarate, oxaloacetate, and others.
These intermediates form amino acids. Oxaloacetate forms asparagine and aspartate. Fumarate makes valine and phenylalanine. Succinyl CoA makes isoleucine, valine, methionine, and threonine.
From pyruvate, different amino acids are formed, such as alanine, glycine, cysteine, serine, etc. From acetyl COA, acetoacetyl CoA is derived. This compound can make amino acids such as lysine, leucine, tyrosine, phenylalanine, etc.
Hence, in this way, different intermediates of glucose can make amino acids like valine, serine, etc.
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Which agents cause diseases like yellow fever, encephalitis and measles
Answer:
viruses
Explanation the disease-causing agents take over the machine of the cells and use it to reproduce
Which of the following is not a function of carbohydrates?
storage
structure
genetic material
energy
Answer:
I believe it should be structure.
Explanation:
Soil nutrients are important to photosynthesis because they_____.
Soil nutrients are important to photosynthesis because they help with chlorophyll formation.
Each person has characteristics that have been passed on to him by his parents
and are called traits.
True or false
Answer:
should be true based on just the question alone. but if there is extra detail changing the definition of trait then no.
What is responsible for the layering effect in planetary formation?
Answer:
The stratification of Earth into its geologic layers was brought about by the formation of the Earth's iron core. The iron core was generated by a combination of radioactive decay and gravitation, which raised the temperature enough for molten iron to form.
Explanation:
Glycogen is an energy-storage molecule in humans. A hormone that is called insulin controls the storage of glycogen in the liver. Insulin is made up of amino acids.
Which statement correctly identifies the types of macromolecules that are described?
Glycogen is a protein, and insulin is a lipid.
Glycogen is a protein, and insulin is a protein.
Glycogen is a carbohydrate, and insulin is a lipid.
Glycogen is a carbohydrate, and insulin is a protein.
Glycogen is a carbohydrate, and insulin is a protein. Thus, option "D" is correct.
What is Glycogen?Glycogen is a polysaccharide made of thousands of glucose molecules. This is also called ‘animal starch’.
The glucose is stored as glycogen in animal cells and humans. Thus, it is a carbohydrate. Insulin is a hormone secreted by beta cells of islets of Langerhans. It is a polypeptide made of amino acids. Thus, it is a protein.
Thus, option "D" is correct.
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Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA?
Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA? They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix. They used Levene's work to determine the number of base pairs in each strand. They used Nirenberg and Matthei's studies to determine that DNA is made of nucleotide
The statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA.
A) They used Chargaff's rule to determine that it contains ribose sugar.
B)They used Franklin's photo to determine that DNA was a double helix.
How, explain your answer briefly?Watson and Crick used pieces of information available from different researchers such as Chargaff's rules and Franklin.
Chargaff had explained that the four kinds of nucleotides are present in a DNA molecule in such a manner that 2 types of nucleotides were always present in the same amounts and the other 2 types of nucleotides were also always present in the same amounts.
The first X-ray picture of DNA, created by Rosalind Franklin using a technique known as X-ray crystallography, which led to Watson and Crick's model of DNA. It explained the helical shape of the DNA molecule.
Thus, The correct statement is-They used Chargaff's rule to determine that it contains ribose sugar. They used Franklin's photo to determine that DNA was a double helix.
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