What is the word for- all the organisms living in an area and the nonliving features of the environment?
When humans breed cows for better meat, this is called
Answer:
Selective breeding or artificial selection
Explanation:
Well, in this case humans are deciding to perpetrate a feature, in this case meat quality.
In nature, the so called natural selection ''chooses'' the survival of certain phenotypes which selects the fittest organisms. In the case of selective breeding, it's the humas who selects a particular phenotype.
Areas of study that try to mimic science for cultural and commercial gain are called.
The initiative to have infants sleep on their back, rather than their stomach, has been associated with:
It has been associated with later crawling but not with later walking. The reality is that any baby who is a healthy child should be put to sleep on his/her back rather than on their stomach or sides by their mothers or whosoever takes care of them. This practice is really useful to lessen the dangers of sudden infant death syndrome.
Why is water balance different for cells that have walls as compared to cells without walls?
One difference between plant cells and animal cells is that only plant cells have peroxisomes. plant cells lack a cytoskeleton. only animal cells contain centrio
Which two examples show adaptations for plants growing in the desert?
Answer:
storage of water and developmend of thorns
Explanation:
The cactus is the best example of a plant that has adapted very well to the desert.
The first adaptation has to do with water storage. Thanks to the long roots it has, it can absorve water from very deep areas. The water stored is stored in adapted vacuoles. The cells of the cactus are adapted to transpirate as little as possible, no to loose water in evatranspiration process.
The second adaptation has to do with it´s thorns. Big, rigid and pointy thorns are the perfect defense tolive in the dessert. Animals will tend to eat plants which will not harm them at all. This is why, thorns are a great protection against hungry eaters.
What cellular process occurs on the infolded membranes shown at b?
Reaching down to pet your dog is a voluntary action communicated to your muscles via the _____ nervous system.
How many chromatids does a chromosome have before dna replication?
Some major concerns of earth science are _____. pollution, mineral location, and new energy sources space exploration and national defense microbiology advancements and cloning procedures
Some major concerns of earth science are pollution, mineral location, and new energy sources.
What is pollution?Pollution is defined as the presence of any substance that endangers the health of people, animals, and plant life in air, water, soil, or food. The majority of these pollutants are released by human activity, including burning fossil fuels, driving, and emissions from industry and agriculture. The main causes of man-made air pollution include vehicle emissions, fuel oils and natural gas used to heat homes, waste products from manufacturing and power generation, mainly from coal-fired power plants, and odors from chemical manufacturing.
New energy source is defined as the energy that comes from renewable resources that replenish themselves more quickly than they are used up. Renewable energy is created from naturally replenishing and endless sources, such as the sun and wind. Transportation, space and water heating and cooling, and electricity generation are all possible with renewable energy.
Thus, some major concerns of earth science are pollution, mineral location, and new energy sources.
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The _______ is the region of your brain where thought, vision, hearing, touch, and motion are processed.
The cerebral cortex is the region of your brain where thought, vision, hearing, touch, and motion are processed.
The cerebral cortex is divided into four main lobes: the frontal lobe, which is responsible for reasoning, planning, and movement; the parietal lobe, which processes sensory information related to touch, temperature, and pain; the occipital lobe, dedicated to visual processing; and the temporal lobe, which is involved in hearing, language comprehension, and memory.
Each lobe contains specialized areas that work together to integrate sensory information and enable complex behaviors. The cerebral cortex is essential for interpreting the world around us, allowing for conscious thought and interaction with our environment.
What makes proteins the ideal type of compounds to act as enzymes?
Answer:
Their ability to react with other chemical structures and give off energy.
Explanation:
Marge Simpson decided to start a new garden in her backyard. She heard that plants compete for space and decided to test this idea. She bought a mixture of flower seeds and some potting soil. She put the same amount of soil into each of 5 plastic cups. In the first cup she planted 2 seeds, in the second cup she planted 4 seeds, in the third cup 8 seeds, and in the fourth cup she planted 16 seeds. In the last cup she planted 32 seeds. After 25 days, she determined which set of plants looked the healthiest. what is the 1 independent variable 2 Dependent variable(DV) 3 Controlled variables 4 Hypotesis
Answer:
The correct answer will be -
1. Independent variable - the number of seeds
2. Dependent variable - growth of the plant
3. Controlled variables - amount of soil
4. Hypothesis - plant growth is directly proportional to the provided space.
Explanation:
In a scientific experiment, the variables could be categorized as dependent variables(to be studied), independent variables (can be manipulated) and constant (kept constant).
A scientific hypothesis is the prediction or an idea based on the previous work and observations which could be tested to answer the question.
In the given question, the variables to be tested is growth of the plants while the variables which can be manipulated is the number of seeds. The variable kept constant is the amount of soil added to the cups and the hypothesis will be the plant growth is directly proportional to the provided space.
A technique that may aid in fighting demoralization is:
A number of techniques can be used to fight with demoralization. For example, do not focus on others and develop self-confidence. Avoid negative thoughts and stay away from Comparison.
Further explanation
Demoralization
The demonstration of decreasing another's certainty and trust or hurting somebody's positive thinking, making them lose confidence later on. The expression "demoralize" is regularly utilized in military, sports, and business settings where competition is present. In the military. In 1990, the United States and its partners overwhelmed the Iraqi military in Operation Desert Storm, accomplishing their goal of freeing Kuwait in only five weeks, demoralizing the opponents.
What happens in demoralization?
"Demoralize" has wide use in ordinary language, signifying "to deny an individual of soul or fearlessness, to toss an individual into turmoil or perplexity, and to cripple or baffle." Life circumstances may make an individual be demoralized, prove by sentiments of being "not able adapt," and this will rely upon the idea of the risk and the individual's assets, both inside qualities and vulnerabilities and outer backings. Any subsequent dispiriting will decrease certainty and drive, and further, dissolve an individual's capacity to adapt or ace the circumstance. It is, fundamentally, a type of misery.
How to deal with demoralization?
To begin with, you need to see whether you are demoralized or discouraged. In the event that you are discouraged, you have to get the assistance of a well-being proficient. Now and then everything necessary is some time away from what you generally do. On the off chance that you work extended periods, accomplishing something else - that you appreciate - makes a difference. On the off chance that you are frustrated in where your life is right now, you have to advise yourself that life is a voyage, not a goal. Every one of that implies is that you can at present go any place you need to go, from here.
Answer details
Subject: Biology
Level: High school
Key words
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Scientific investigations begin by asking questions that can be tested, measured, or both. Which question meets this criterion?
What opinions do teenagers have about vaccines?
Do hand sanitizers decrease a person’s risk of a bacterial infection?
Is buying organic food an ethical choice?
How hard is it for people to reduce stress in their lives?
Scientific Investigation can be tested, measured by asking in questions format.
For example - Do hand sanitizers decrease a person’s risk of a bacterial infection?
Science is more about practicing and conducting than knowing to gain and learn the actual aspect of the world.
This learning can be achieved through Scientific Investigation .
What is Scientific Investigation?A scientific investigation is a plan for asking questions and testing possible answers in order to advance scientific knowledge. The purpose of Scientific Investigation is testing ideas with evidence.
Real science is nonlinear, iterative (repetitive), creative, unpredictable, Scientists often undertake the steps of an investigation in a different sequence, or they repeat the same steps many times as they gain more information and develop new ideas.
Scientific investigations often raise new questions as old ones are answered and Successive investigations may address the same questions but at ever-deeper levels.
Alternatively, an investigation might lead to an unexpected observation that sparks a new question and takes the research in a completely different direction.
Steps involved in Scientific Investigation are:
- Step 1 - Make Observation
- Step 2 - Ask a question
- Step 3 - Forming hypothesis
- Step 4 - Making prediction based on hypothesis
- Step 5 - Do an experiment to test the prediction
- Step 6 - Analyze the result
- Step 7- Hypothesis is either Correct or Incorrect
- Step 8 - Final result based on Hypothesis
- Step 9- Try again if the given hypothesis is incorrect from Step 4.
Making Observation:
Scientific investigation typically begins with observations that is detected through human senses or with instruments and measuring devices that enhance human senses and also with our sense of touch, smell, taste, or hearing.
In addition, we can extend and improve our own senses with instruments such as thermometers and microscopes.
Hypothesis Formation:
A hypothesis is a possible answer to a scientific question based on scientific knowledge. A hypothesis also must be logical, and it is beneficial if the hypothesis is relatively simple. In addition, to be useful in science, a hypothesis must be testable and falsifiable.
A hypothesis is often expressed in the form of prediction.
Hypothesis Testing:
Hypothesis testing is at the heart of a scientific investigation. Data are essentially just observations which may be measurements in an experiment or just something the researcher notices.
A hypothesis is supported if the actual observations (data) match the expected observations. A hypothesis is refuted if the actual observations differ from the expected observations.
Analyzing the Data:
The data scientists gather raw data which are the actual measurements or other observations that are made in an investigation. Raw data usually must be analyzed and interpreted before they become evidence to test a hypothesis.
To make sense of raw data and decide whether they support a hypothesis, scientists generally use statistics.
Drawing Conclusion:
A hypothesis can never be proven conclusively to be true. Scientists can never examine all of the possible evidence, and someday evidence might be found that disproves the hypothesis.
In addition, other hypotheses, as yet unformed, may be supported by the same evidence.
The more evidence that supports a hypothesis, the more likely the hypothesis is to be correct.
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Which cervical changes are observed during pregnancy? select all that apply?
The cervical changes in pregnancy are the following;
- Cervix will elongate
- The cervix will soften during the woman’s pregnancy.
- When the pregnant woman is about to go on a labor, the cervix will likely shorten and for the baby’s passage, the cervix will dilate.
All members of the same species that live in the same area and make up a breeding group is called
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Some organisms that normally live in pond water contain water pumps. These pumps continually pump water out of the cell. Describe a scenario that might reverse the action of the pump.
In pond water organisms like Paramecium, water pumps expel excess water from the cell to maintain osmoregulation. These pumps' action might reverse in hypertonic conditions, where the external salt concentration is higher than inside the cell. As a result, the cell might start absorbing water instead of expelling it to prevent dehydration.
Explanation:Organisms living in pond water, such as Paramecium, contain water pumps known as contractile vacuoles. These pumps typically work to expel excess water from the cell, maintaining a balance known as osmoregulation. However, there are scenarios where this action might be reversed, such as a sudden increase in the salt concentration outside the cell. This would create a hypertonic condition.
In hypertonic conditions, the concentration of solutes is higher outside the cell than inside. Therefore, water inside the cell would move out to balance the solute concentrations, and the cell may start taking in water instead of expelling it to prevent dehydration and maintain its structural integrity.
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Eukaryotes are different from Prokaryotes because Eukaryotes?..
Determining the types of fats people should consume to lower their risk of heart disease based on their genetic makeup is an example of what field of study?
______________ are found in all metabolically active cells and are involved primarily in transporting materials within, into, and out of cells
Which type of thermometer has a constriction (narrowed passage) in the bore of the glass tube?
identify one fuel source in the table that is considered a fossilfuel
When eating at a fast food restaurant what should you not do?
Would you expect the tripeptide with the amino acid sequence –serine-threonine-tyrosine– to be found on the inner core or the surface of a cytosolic protein?
______ is a feature which results from processes associated with an oceanic-oceanic convergent plate boundary. choose all that apply.
What part of the eukaryotic cell acts as a barrier that surrounds the cell?
Which kind of molecule does transcription produce?
When you abduct your arm, movement at the sternoclavicular joint includes __________?