Answer:
first responders
Explanation:
no need for explaining
lamarcks theory of evolution includes the concept that new organs in a species will appear as a result of
Answer:
continual increases in population size
Explanation:
example
giraffes necks getting longer
quizlet
What happens during S Phase?
A. Cytoplasm is manufactured
B. The Cell splits in two
C. DNA separates into two nulclei
D. Chromosomes are duplicated
Which term best describes this step of the investigative process?
The steps of investigative process include experiment, theory and observation.
What is investigative process?Investigative process is defined as the scientific process that is used to generate a conclusion about a particular finding.
The steps of investigative process include:
experiment, theory andobservation.Therefore, the steps of investigative process include experiment, theory and observation.
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Why do plants contain the
greatest amount of energy in the
food pyramid?
Answer:
Autotrophs are the plants which prepare their food by photosynthesis.
Explanation:
(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.
2 An atom has 9 protons, 10 electrons, and 10 neutrons.
Answer:
the element is potassium
2. Which graph represents the change in cell surface area to volume ratio [1 mark]
with increasing cell diameter?
A.
B.
Surface area : volume ↑
Surface area : volume
Cell diameter
C.
Surface area : volume
Surface area : volume
Cell diameter
Cell diameter
D.
v
Cell diameter
A graph which represents the change in cell surface area to volume ratio with an increasing cell diameter is graph C.
The ratio of surface area to volume.Generally, the ratio of cell surface area to volume in living organisms is always required to be very small, so as to allow sufficient materials such as food particles, to move through the cell membrane quickly for the cell's survival and optimum function.
When plotted on the cartesian coordinate, a graph which represents the change in cell surface area to volume ratio with an increasing cell diameter is shown in the image attached below.
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Can someone please help me with these questions
Answer:
1) C
2) C
3) A
Explanation:
Hope this helps! Have a great day!!
One possible reason for the rise in the average air temperature at the Earth's surface is that
Answer:
cimate change
(40 points) Give an example of an amino acid sequence using any 4 amino acids that you want.
add an explanation (please don't say DNA)
Explanation:
Methionine, valine, tryptophan, leucine, isoleucine, histidine, lysine, threonine and phenylalanine are examples of essential amino acids.
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
Drag each tile to the correct box
Amange the organisms according to their positions in the food web, starting with the autotraphs.
Which is a carbohydrate monomer?
O glucose
O sucrose
O glucagon
O glycogen
In an experiment, a snail was observed to have moved a distance of 0.5 meters in 2 hours. What rate of movement was observed in this experiment?
The rate of movement was observed in this experiment as 0.25 m/ hour.
How, explain your answer?A rate of movement is essentially a speed measurement, where you divide the distance crossed from point A to point B by the time it took to do it.
o, we know the snail moved a total distance of 0.5 meters. that's our distance crossed.
We know that took 2 hours. so we just have to calculate that:
0.5 meters / 2 hours = 0.25 m/hour
Thus, The rate of movement was observed in this experiment as 0.25 m/ hour.
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Which of the following is the most important reason that a scientist should
replicate his or her experiments?
OA. To make sure that differences in the data are caused by real
differences and not by error
OB. To make sure that other scientists do not have to waste time
replicating this scientist's experiments
C. To practice the experimental procedures until the scientist is an
expert at performing them
D. To prove the scientist's hypothesis
Answer:
D. the only method of scientific investigation is in essence demonstrating the hypothesis is valid through repeated and more vigorous investigation using sound experimental techniques to produce the same or very similar results, ideally obtained from larger scale longitudinal studies, increasing sampling size and scale to lend greater and greater quality data on any query
Do all fossils contain intact dna that can be sequenced.
Answer:
Yes,all fossils contain intact DNA that can be sequenced
Explanation:
Which part of the Apple flower produces cells by meiosis
Anther
Filament
Stigma
Style
Answer:
It is Anther because the part of the stamen is where pollen is produced
Explanation:
What trait is recessive in the picture
Shortness is the recessive trait
Explain how isolation causes the making of new species?
Answer:
Explanation:
When organisms become isolated the two groups are also not able to reproduce together, so in one group are not necessarily found in the other group. The longer the groups are isolated, the more different they are. They eventually become different species.
Question 4 (Mandatory) (1 point) ✓ What color would we see in the nodule if the bacteria are reproducing but
are not actively fixing nitrogen?
Question 5 (Mandatory) (1 point)
What color would we see in the nodule if the bacteria are not reproducing
but are actively fixing nitrogen?
A reddish pink color indicates that the bacteria are active and fixing nitrogen.
What is nitrogen fixation?The term nitrogen fixation has to do with the ability of certain bacteria to trap and fix nitrogen into the root noodles of leguminous plants. This is an active part of the nitrogen cycle.
Thus, a reddish pink color indicates that the bacteria are active and fixing nitrogen.
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3. Meiosis is a process that occurs during cell division that leads to the production of gametes It halves the number of chromosomes that can be passed on to an offspring. It also produces new combinations (variations) of an organism's genetic material Use evidence you obtained from modeling meiosis to show that both statements are true
Answer:
reproduction
Explanation:
different traits
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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(c) Wheat is another member of the grass family. Wheat grain is used to produce flour.
The mass of grain is sometimes used as a measure of the amount of photosynthesis
which has taken place in the wheat plant. However, it is better to use the mass of the
whole plant as the measure.
Explain why.
It is better to use the mass of the whole plant as the photosynthetic measure because grains only represent a fraction of the weight.
What is photosynthesis?Photosynthesis is a series of chemical reactions that plants use to produce carbohydrates (biomass) by using light energy.
Photosynthesis is responsible to generate all plant biomass, including the comestible fraction of the plant.
In conclusion, it is better to use the mass of the whole plant as the photosynthetic measure because grains only represent a fraction of the weight.
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Please Answer Correctly As This Is For My Project.
1. What are the unique characteristics of the macromolecule subunit and macromolecule you explored?
2. Describe how the subunit you modelled chemically combines with other subunits to form a macromolecule.
3. What are the functions of the macromolecule you explored?
4. Summarize the relationship between the structure of your subunit and the function of the macromolecule it forms.
Answer:
1. Macromolecules are typically BIG molecules, and they truly are the building blocks of cells. Macromolecules are generally built by combining many single units, or monomers, into larger units, called polymers.
2.polymers which are long chains of subunits called monomers.
3.Gigantic molecules, called macromolecules, populate a cell and provide it with important functions for life. For example, macromolecules provide structural support, a source of stored fuel, the ability to store and retrieve genetic information, and the ability to speed biochemical reactions.
4.Polymers are macromolecules, but not all macromolecules are polymers. The main difference between a polymer and a macromolecule is that polymers contain repeating units that represent monomers whereas not all macromolecules have a monomer in their structure
Explanation:
Can someone help me please quickly
Find one article, podcast, or video about a location dealing with a water scarcity issue to discuss with your classmates. Your selection should come from a reliable source that is based on valid empirical evidence, not pseudoscience.
Write your reflection summary in the worksheet. Your reflection summary should include the following:
Identify the location referred to in the podcast, video, or story.
Describe the effects of water scarcity on public health and quality of life.
Discuss strategies that could solve the water scarcity problem.
Current Event:
Provide a citation for the current event you chose. Be sure to include a general citation for the article or media piece that includes the title, author, publication (or posting) date, and/or the website link of the video or podcast.
Current Event Summary:
Summarize the main idea and key points of the article in one paragraph below.
Evidence:
Use information from your current event to provide at least three pieces of evidence to support the claim.
Reasoning:
Use information about the environment and human health and your current event to provide reasoning connecting your evidence to your claim.
Some reliable sources that you can find related articles are:
A .edu websiteA libraryAn encyclopedia, etc.What is Water Scarcity?This refers to the lack of water supply to people in a given geographical area over a period of time.
Hence, there are some effects of water scarcity on a given location and these can include:
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Do you think that the heart muscle has the same structure as the arm muscle?
Answer:
No.
Explanation:
Heart muscles are involuntary muscles, so you can't control them. You can, however, control arm muscles. They are called voluntary muscles.
In photosynthesis, light energy is_________
O captured as thermal energy.
O released as usable energy.
O stored as short-term energy.
O stored as chemical energy.
Answer: O stored as chemical energy.
Explanation:
In photosynthesis, light energy is stored as chemical energy. Plants use this chemical energy to convert water, carbon dioxide, and minerals into organic compounds. They capture light energy to produce oxygen and chemical energy stored. This chemical energy is stored in glucose.
Why is a cell theory called a scientific theory?
Answer:
C
Explanation:
because cell theory is proposed by several scientists means scientists has research depend on many evidence and after that they have agreed in cell theory
What are the correct boxs?
Answer:
1. A. Vapour
2.B. Liquid Reservoir
3.C. Solid Reservoir
4.D. Evaporation
5.E. Precipitation
6.F. Ground water
7.G. Infiltration
8.H. Run-off
9.1. Condensation
10 points! Choose the right answer
Answer:
The right ans is option A ...It helps in the tranfer of minerals from the soil to plant