I)I think it's population growth
ii) adaptation
Answer:
Evolution
Natural selection
Explanation:
Angelina is learning how to build circuits. She starts by connecting a light bulb to a battery with copper wires. In her studies, she reads that the current flows due to a difference in potential energy in the system. Which statement describes what is happening to cause current to flow? A. Voltage is when current flows from lower to higher potential energy. B. Voltage is when current flows from higher to lower potential energy. C. Amperes is when current flows from lower to higher potential energy. D. Amperes is when current flows from higher to lower potential energy.
Answer:
B. Voltage is when current flows from higher to lower potential energy.
Explanation:
Voltage refers to the difference in electric potential between two points. Current in the wire always flow from higher potential to lower potential due to voltage. At the electric source, voltage of current is high but when it moves through wire, the amount of current decreases when it reaches to the other end of the circuit. This is because of the resistance present inside the wire which causes heat energy and some of the current is lost.
The correct answer is option B. Voltage is when current flows from higher to lower potential energy.
What is voltage?
Voltage is the difference in charge, in this case, made by the electrons, that results in electrons flowing from a place of high concentration to one of low concentration. We call the flow of electrons current, and we measure voltage in Volts (V).
What is Amperes?It is a unit that we use to measure the intensity of the current.
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Select the correct answer.
How many particles are in a mole?
If all earths ice melted what will happen
Which statement about enzymes is true?
Answer:
Enzymes are globular proteins made of long linear chains of amino acid that fold to produce a dimensional molecule.Enzymes are bio catalysts that speed up the biochemical reaction and are not changed during the reaction
Answer:
Explanation:
Enzymes are protein ordained catalyst which speed up reaction s in a living organism and they work under a given temperature and pH depending on the function
A diet rich in sodium and vitamins helps to maintain good bone growth and
development
O True
O False
1. How are populations of chimpanzees affected by slash and burn agriculture? 2. Which features of chimpanzees make them more disadvantaged than other primates?
Answer:
1. Slash and Burn agriculture refers to a technique of farming that requires plants in a forest or woodland to be decimated to create a cultivable expanse of land.
Some of these plants are usually homes to wild chimpanzees. The more they are cut down, the deeper into the forests they would migrate, that's if they ever find a place like it.
2. When compared to the other primates such as monkeys, baboons, etc their larger body size, puts them at a disadvantage. This is because when they are placed in a restricted space, they need more food which in turn translates to increased height and weight.
Cheers!
Neurotransmitters can be blocked which
disrupts the __ impulse from traveling
through the target neuron.
A. synthetic
B. electrical
C. somatic
D. chemical
A plant with variegated (two-coloured) leaves was left in the sun for several hours. A piece of one of its leaves were then detached (removed) and tested for sugar.
Explain, as fully as you can, why the yellow region of the leaf had not produced sugar. (5 marks)
Answer:
The yellow leaf was not exposed to the sun so it can't produce sugar.
Explanation:
The yellow region of the leaf didn't produce sugar because it wasn't exposed to sunlight. Part of the leaf was exposed to the sun, thus this leaf produced sugar, while the yellow part of the leaf did not because it was not exposed to the sunlight.
What group behavior is being displayed by the cattle grouping together?
Answer:
It is called a social behavior.
Explanation:
Group behavior is a term that expresses the manner of behavior among two or more interacting specie of organism to achieve a purpose. Various organisms show different group behaviors.
When cattle group together, they display a herding ungulates as the behavioral group. They come together to achieve a particular objective which could be for protection, survival, feeding etc. Thus forming a social group and interact among themselves.
How does the water needed to carry out photosynthesis get to leaves?
Answer:
The xylem
Explanation:
The xylem in the stem transports water and minerals from the ground up the plants, and into cells in the leaves so that photosynthesis can be carried out.
ATP contains a large amount of energy because _____.
Answer:
ATP contains a large amount of energy because it has high-energy phosphate bonds.
Explanation:
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In the text area below describe the function of the
cell wall.
DONE
Answer:
The cell wall supports and protects the cell, determines the shape of the cell, assists cells in communication, stores carbohydrates, and allows water and smaller particles to enter the selectively permeable structure of the cell.
What section of dna are used in dna fingerprinting
Answer:
Repetitive DNA sequences "minisatellites." The two major uses for the information provided by DNA-fingerprinting analysis are for personal identification and for the determination of paternity. DNA fingerprinting is based on DNA analyzed from regions in the genome that separate genes called introns.
Our experiment was to keep one seedling set in a light place and the other set in a closed cardboard box. So my question is to explain why it is important to keep one set of seedlings in the light. I hope to get a perfect answer
Answer:
To examine the importance of light to a plant's growth.
Explanation:
To give a background to this question, I will define a key term "Photosynthesis". Photosynthesis is a compound word made up of photo (which means "light") and synthesis (which means "to put together").
It is the process by green plants use sunlight to obtain nutrients from carbon dioxide and water.
The experiment us meant to examine the effect of deprivation of sunlight on a plant's growth.
Therefore, the essence of keeping one set of seedlings in the light is to compare if there is any difference in growth between the seeding kept in the dark cupboard and that kept in the light.
This enables us to conclude whether or not light is important for the growth of a plant.
What would you expect to happen if sea otters were
removed from this food web? Check all that apply.
The population of elephant seals would decrease.
The population of kelp crabs would increase.
The population of kelp would increase.
The population of sea urchins would decrease.
Answer:The population of kelp crabs would increase
Explanation:
According to the question, The population of kelp would increase.
A food web consists of all the food chains in a single ecosystem.
What is a food web give example?A food web is formed by many food chains operating together. A food web operating in a grassland. Five food chains are possible in this food web, Grass → Grasshopper → Rat → Fox.
Thus, option "B" is correct.
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ASAP!!!!!!! State your view on an ELSI issue, and develop a logical argument to support your view.
Answer:
Biotechnology has raised a number of ethical, legal, and social issues. For example, are genetically modified foods safe to eat, and who controls a person’s genetic information?
Explanation:
Concerns from Biotechnology
The use of biotechnology has raised a number of ethical, legal, and social issues. Here are just a few:
Who owns genetically modified organisms such as bacteria? Can such organisms be patented like inventions?Are genetically modified foods safe to eat? Might they have unknown harmful effects on the people who consume them?Are genetically engineered crops safe for the environment? Might they harm other organisms or even entire ecosystems?Who controls a person’s genetic information? What safeguards ensure that the information is kept private?How far should we go to ensure that children are free of mutations? Should a pregnancy be ended if the fetus has a mutation for a serious genetic disorder?
The ELSI issues are important and require to be maintained in order to maintain bioethics and examine various impacts of science and technology on the society.
What are ELSI issues?ELSI stands for Ethical, Legal, and Social Issues. It is a widely used acronym in the bioethics literature which encompasses a broad range of research work which mainly examines the various impacts of science and technology on the society.
The ultimate mission of the ELSI Research Program is to support the research and education activities which include promotion of genetic privacy and fair use of genetic information, encouraging the responsible integration of new genetic information and technologies into clinical and non-clinical settings, and to ensure that the genetic research is being conducted in ethical way.
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The diagram shows a selection of animals .Choose two alphabets that are invertebrates.
A. B and D
B. A and C
C. B and F
D. E and C
The correct answer is C) "B and F"
Which of the following terms describes a lipid molecule that has only single
bonds between its carbon atoms?
Answer:
Saturated fatty acids have only single bonds between carbon atoms. As a result, the carbon atoms are bonded to as many hydrogen atoms as possible. In other words, the carbon atoms are saturated with hydrogens. Saturated fatty acids are found in fats.
The answer is Saturated
err, I think?
explain how urine is formed in our body
Answer:
Urine is a liquid by-product of metabolism in humans and in many other animals. After the filtration of blood by kidneys, urine is produced. It is them passed through the ureters to the bladder to store it. While urinating, the urine is passed from the bladder through the urethra to discharge it.
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What is difference between infectious and non infectious ...
Non infectious dieases can't be catched by others unlike infectious diseases.
Answer:
Infectious means it can be spread why non-infectious means it can't be spread.
Explanation:
Hope it helps.
A recent encyclopedia entry about dogs cites multiple research papers done by scientists at veterinary schools. According to the article, Labrador retrievers come in two specific breeds: English and American. The English breed is described as stocky and heavy, while the American breed is described as tall and lanky. The article describes current scientific research as showing that males of both breeds usually weigh about 29-41 kg (65-90 lb), and females weigh 25-32 kg (55-70 lb). Coat colors for both breeds come in solid black, yellow, or chocolate. All labs have strong tails and webbed feet, which help them swim. Devon would like to use this information to determine if his new dog is an English or American Labrador retriever.
Which best describes the reliability of the information?
It is not reliable because only scientists can use scientific information for reference.
It is not reliable because it doesn’t talk about how to test and only gives data about the breeds.
It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.
It is reliable because it gives information about both types of Labradors in addition to information about other types of dogs.
Answer:
It is reliable because the article is based on multiple studies done by scientists at multiple veterinary schools.
Explanation:
The information in the article can be described as reliable due to the fact that it is based on multiple studies by scientists.
When a study is carried out by different group of independent researchers and a similar result if obtained, the results becomes more or less a theory. A research that is reproducible and gives similar result can totally be relied on for information.
Which best explains how the green areas depicted in the image on the left are reflected in the population map on the right?
Populations are greater in fertile areas that are close to freshwater sources, which is why more people live near deserts.
Populations are greater in fertile areas that are close to freshwater sources, which is why more people live near oceans.
Populations are greater in fertile areas that are close to freshwater sources, which is why more people live near mountains.
Populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers.
Answer:
D. Populations are greater in fertile areas that are close to freshwater sources, which is why more people live near rivers.
Explanation:
Population is greatly depend on the availability of water. Those areas are densely populated areas where water is present in sufficient quantity as compared to those areas have low population density where water is in low amount. The main reason is that water plays a vital role in our daily life which is used almost in every aspects of life. We can see that deserts have less population due to less water availability and areas attached to the rivers are densely populated due to more water availability.
Answer:
D
Explanation:
Population is greatly depend on the availability of water. Those areas are densely populated areas where water is present in sufficient quantity as compared to those areas have low population density where water is in low amount. The main reason is that water plays a vital role in our daily life which is used almost in every aspects of life. We can see that deserts have less population due to less water availability and areas attached to the rivers are densely populated due to more water availability.
10. Which of the following groups of organisms are prokaryotic? (Choose all that apply)
Archaea
Or
Plants
Or bacteria
Or fungi
Answer:
Archaea bacteria
Explanation:
just search each answer choice asking if its eukaryotic or prokaryotic and it will tell you
Bacteria and Archaea are groups of organisms that are prokaryotic, which means that their cells do not have cellular organelles or a delimited nucleus in the cytoplasm.
The prokaryotic cell is characterized by not having a cell nucleus, therefore its ribosomes are smaller and its genetic material simpler.
Prokaryotes are, in most cases, unicellular microorganisms.
The bacteria is a unicellular and prokaryotic microorganism, which means that it does not have a nucleus, they are a few micrometers long and various shapes including spheres (cocci), rods (bacilli) and helices (spirils).
A diversity of unicellular microorganisms that make up the archaea kingdom lacking nuclei (prokaryotes) is known as archaea.
Their cells are surrounded by a covering (cell wall) made of various materials that give them high resistance against antibiotics or other harmful substances.
Therefore, we can conclude that bacteria and archaea are groups of organisms that are prokaryotic, which do not have a defined nucleus and or organelles surrounded by a membrane.
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Which is an example of a lipid?
(A) cholesterol
(B) glycerol
(C) glycogen
(D) fatty acid
Answer:
D: fatty acids is what a lipid is made up from.
Explanation:
An example of a lipid is cholesterol. It is made up of a hydrocarbon tail and a carboxyl group. The correct option is A.
What are lipids?Lipids are biomolecular substances that are made up of hydrocarbons and have a non-polar end and are non-soluble in water. They form the structure and function of living cells.
Cholesterol is a lipid, found in the blood, our body needs cholesterol to make and repairing of cells.
Thus, the correct option is (A) cholesterol regarding an example of a lipid.
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Arranging items by order or category is called ?
Answer: it is called sorting or in other words sequence order
Explanation: Already Learned This In Class
Two scientists do not agree on which type of grocery bag is better for the environment. The Outcome of their disagreement is most likely to be:
Answer my question , ty .
Answer:
answer is D
Explanation:
1. What relationship between accumulation and ablation is necessary for the ice front of a glacier to advance?
Answer:
As long as snow accumulation equals or is greater than melt and ablation, a glacier will remain in balance or even grow. Once winter snowfall decreases, or summer melt increases, the glacier will begin to retreat.
Explanation:
Which would have more humus a desert or a forest
Answer:
a forest
Explanation:
thinks don't really grow in the desert
Groups of ecosystems that have the same climate and dominant species
are known as *
1 pa
Populations
Habitats
Ecosystems
Biomes
Answer: 4)Biomes
Explanation:
Groups of ecosystems that have the same climate and dominant species
are known as biomes, e.g. tundra or rainforest biomes.
a. When a person gets a stroke or heart attack, brain or cardiac (heart) muscles die. Why is this a
problem?