Why do individuals of the same species have different characteristics

All of life can be divided into three major clades because it is believed that all branches of the tree of life have the same evolutionary origin.

Evolution is descendence with modification, which generally is due to the process of natural selection.

Evolution indicates that all organisms derive from an ancestral organism (it is related to the cell theory).

In conclusion, all of life can be divided into three major clades because it is believed that all branches of the tree of life have the same evolutionary origin.

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Answer:

Glycolysis and the TCA cycle are linked by the linking reaction catalysed by pyruvate dehydrogenase complex. Pyruvic acid produced at the end of glycolysis is transported to the matrix of mitochondria, where it undergoes oxidative decarboxylation to produce acetyl CoA. Acetyl CoA enters the TCA cycle.

Carbon dioxide (CO2) is the most significant of the greenhouse gases. Volcanic outgassing, organic matter burning and natural decay, and aerobic (oxygen-using) organisms' respiration are all natural sources of atmospheric CO2. On average, these sources are counterbalanced by a collection of physical, chemical, or biological processes known as "sinks," which remove CO2 from the atmosphere. Terrestrial flora, which absorbs CO2 during the photosynthesis process, is a significant natural sink.

CO2 levels in the air and probable health issues are as follows: The average outdoor air level is 400 parts per million. 400–1,000 ppm: typical concentration found in inhabited spaces with adequate ventilation. Drowsiness and poor air quality are linked to levels of 1,000–2,000 ppm.

Human activities, on the other hand, increase atmospheric CO2 levels primarily through the combustion of fossil fuels—primarily oil and coal, and secondarily natural gas—for transportation, heating, and electrical power generation, as well as the creation of cement. Forest fires and land clearing are two further examples of anthropogenic origins.

Anthropogenic emissions currently account for around 7 gigatons (7 billion tons) of carbon released into the atmosphere each year. Anthropogenic CO2 emissions account for about 3% of total CO2 emissions from natural sources, and this magnified carbon burden from human activities far surpasses natural sinks' balancing capacity (by as much as 2–3 gigatons per year).

Sea levels are rising, and the oceans are warming. Droughts that last longer and are more intense endanger crops, wildlife, and freshwater supplies. The richness of life on our world is threatened by climate change, from polar bears in the Arctic to sea turtles off the coast of Africa.

Ways to reduce global warming?

Improvements to energy efficiency and vehicle fuel economy, increases in wind and solar power, biofuels from organic waste, setting a price on carbon, and protecting forests are all potent ways to reduce the amount of carbon dioxide and other gases trapping heat on the planet.

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Answer:

50%

Explanation:

heterozygous for Green Bean Feet : Gg

recessive for her Yellow Bean feet : gg

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quizlet

Answer:

viruses

Explanation the disease-causing agents take over the machine of the cells and use it to reproduce

A  reddish pink color indicates that the bacteria are active and fixing nitrogen.

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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Answer:

The function of cell membrane is to allow only certain substances to go in or out the cell.

3. Matter is lost on earth but energy is transformed from one form to another. The ultimate source of energy is the sun and then its is transformed from one form to another. The matter is not converted from one form to another form, it gets destroyed as the plant and dies. So, we can say the energy is conserved on earth but the matter gets destroyed.

4. The carbon model is the flow and the movement of the carbon and its compound in the atmosphere. Climate change is the limitation of the carbon model.

A climate change is a variation in the weather and the climate pattern due to a change in temperature and other atmospheric factors. It will lead to a transformation in the flow of carbon in the environment.

Increased carbon in surroundings increases temperature and results in a change in seasons and humidity levels, leading to changes in the rainfall.

Therefore, climate change is the limitation of the carbon model.

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Answer:

Amber, tar pits, and ice

Explanation:

This is what it says in my notes for edge 2020

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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Answer:

science is the use of technology and momentum is conserved in school

Answer:

C: the number of crickets would increase

Explanation:

If less shrews were to exist than their prey would increase because they have less predators.

Answer:

less likely to form any bond with another atom

Explanation:

Answer:

It is super important

Explanation:

It is critically important that one must know how and what your body needs before introducing new things or removing old things. For eg. people tend to go on keto diets (high fats). But, one must know that our brain neurons require very high energy and need constant sugar. Therefore, if you intake very low sugar in keto diet, you might actually harm yourself more than benefit.

Hypothalamus works with the endocrine system and the nervous system. Thus, the correct option is A.

Endocrine system is the hormone-producing glands and organs release hormones directly into the bloodstream, allowing them to travel to tissues and organs throughout the body.

In the brain's, lower center region, The hypothalamus is present. It is a link between the endocrine and neurological systems. Chemicals produced by nerve cells in the hypothalamus regulate the release of hormones generated by the pituitary gland.

The hypothalamus collects data from the brain (such as ambient temperature, light exposure, and feelings) and delivers it to the pituitary gland. This information has an impact on the hormones produced and released by the pituitary gland.

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It's also known as the pinna or auricle. The outer ear's shape helps to collect sound and direct it inside the head toward the middle and inner ears. Along the way, the shape of the ear helps to amplify the sound — or increase its volume — and determine where it's coming from.

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The person’s basic needs Visiting the person as little as possible to prevent transmission. Thus, option "A" is correct.

Provide as much mental stimulation as possible by offering activities that the residents enjoy.

The people who are ensuring transmission-based precautions are required to feel mental peace. Mental anxiety, fear of infection, and stress can be some of the reasons for mental disturbances.

For such people, mental stimulation is necessary by allowing them to participate in recreational activities like fun indoor games.

Such activities will divert their mind from all the reasons for mental anxiety and people will feel relaxed.

Thus, option "A" is correct.

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Answer:

Deletion sorry if i am wrong

Explanation:

Answer:

Science can answer only questions about the natural world.

Answer:

The inertia is directly proportional to the mass of the object or to the velocity if the object is in motion. According to Newton's first law of motion, an object not subjected to any net external force moves at constant velocity and will continue to do so until some force causes its speed or direction to change.

Answer:

option A is the metaphase and option E is the telophase

Conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.

John Muir played a key role in changing this perspective by proposing the preservation of natural areas with a focus on their

Muir recognized the importance of ecosystems and their interrelationships for the maintenance of life on the planet, while he saw man as part of the natural world, not the center of it.

With this information, we can conclude that conservationist John Muir was personally involved in the struggle to create Yosemite National Park in 1890.

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Answer:

protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.

Explanation:

protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature.

Bacteria can be considered as a chain between animals and plants because it give benefits both plant and animal.

Bacteria has unique features that can benefits both plant and animal. Bacteria like Rhizobium make soil fertile for plants whereas Lactobacillus bacteria help to convert milk into curd.

So we can conclude that Bacteria can be considered as a chain between animals and plants because it give benefits both plant and animal.

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Answer:

Carbohydrate

Explanation:

Cellulose is a polysaccharide composed of a linear chain of β-1,4 linked d-glucose units so it is a carbs

Answer:

DNA repair genes are involved in fixing damaged DNA. Cells with mutations in these genes tend to develop additional mutations in other genes and changes in their chromosomes, such as duplications and deletions of chromosome parts. Together, these mutations may cause the cells to become cancerous.

Explanation: