20.The first diagram below shows an original sequence of DNA. The second diagram shows a mutation that occurred when the DNA was copied. Name and describe the kind of mutation that occurred.

Answer:

level 2 = 3,000  level 3=300

Explanation:

Only 10 percent will be transferred to the next level and 10 percent of 30,000 is 3,000. 10 percent of 3000 is 300

Answer:

C. Respiration adds carbon to the atmosphere, while photosynthesis removes carbon from the atmosphere.

Explanation:

The answer to this question is c

because respiration adds carbon to the atmosphere but photosynthesis removes that carbon.

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The statement that best describes the roles of photosynthesis and respiration in the carbon cycle is:

It comprises a succession of transformations or exchange of matter (specifically carbon-containing compounds) between the biosphere, the pedosphere, the geosphere, the hydrosphere and the Earth's atmosphere.

Therefore, we can conclude that during photosynthesis, plants absorb carbon dioxide from the air and the oxygen not consumed in respiration passes to the atmosphere, being essential in the biogeochemical cycle of carbon.

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Answer:

Humans directly change the dynamics of the water cycle through dams constructed for water storage, and through water withdrawals for industrial, agricultural, or domestic purposes. Climate change is expected to additionally affect water supply and demand.

Fossil fuel production is another human activity that places considerable strain on drinking water — and not just because fracking and coal mining use a great deal of water, but because their waste products can pollute groundwater, and therefore drinking water, as well.Water resources face a host of serious threats, all caused primarily by human activity. They include pollution, climate change, urban growth, and landscape changes such as deforestation. Each of them has its own specific impact, usually directly on ecosystems and in turn on water resources.

Answer:

w= 6

Explanation:

The process by which green plants and some other organisms use sunshine to create meals from carbon dioxide and water is called photosynthesis. Therefore, option (A) is correct.

Photosynthesis is the process by which green plants and some other species use sunlight to create food from carbon dioxide and water. Other organisms may also participate in this process. Chlorophyll, a green pigment, is typically involved in the process of photosynthesis, which results in the production of oxygen as a byproduct in plants.

Photosynthesis takes place in the chloroplast, a specialized intracellular organelle found in plants and algae, which emerged considerably later. During the day, photosynthesis is carried out by chloroplasts. The photosynthetic cells use NADPH and ATP, the direct results of photosynthesis, to make a variety of chemical compounds.

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Answer:

The circulatory system and the respiratory system work together to bring nutrients and oxygen to your body.

Explanation:

I hope this helps! Have a great rest of your day!

Answer:

Two systems that work very closely together are our cardiovascular and respiratory systems. The cardiovascular system includes your heart and blood vessels , which function to remove deoxygenated blood from and return oxygenated blood thoughout your body. The heart then sends  the oxygenated blood out to the body .

A good example is pulmonary system and the circulatory system .

Explanation:

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Neither of his parents have Don's mutation. Don's mutation is present in all of his cells. Both of the parents may have had the recessive gene and passed it on to the child, don.

Thus, option "C" is correct,  in the sperm or egg cells of his parents.

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Answer:

Genotype is the genetic makeup of an individual. Phenotype is the physical appearance of brown hair.

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Answer:

Genotype is the genetic makeup of an individual eg Bb. Phenotype is the physical appearance eg brown hair.

Explanation:

Your genotype codes for your phenotype — the trait we can actually see. For example, if the blue-eyed parent passed down a blue allele, and the brown-eyed parent passed down a brown allele, the child's genotype will be blue-brown, and his or her phenotype will be brown.

Sources:http://web.fscj.edu/David.Byres/2010notes/ch10notes.html

Answer:

An experiment that I could conduct to test whether or not humans can see in complete darkness is by simply going into a place where I know it would be pitch black if I turned off the lights. Such as an basement or closet. I could have a friend or family member place an object close to me in the same room. Once the lights have been shut off I could easily try and find it. I have tried this experiment using a friend and myself. I could find the object just by trying to use things near me to guide myself and eventually found it. My friend on the other thought that they didn't need to use any senses to find the object but failed sadly. I say that my way of working my way to the object in the dark was most helpful because if you are familiar with your surroundings it could make things a lot easier. If you try not to use senses to help yourself in the dark things could get dangerous. You could either run into something or get hurt or end up grabbing the wrong thing.

Explanation

sorry if I went overboard I tend to write a lot.

Answer:

50% will be the percentage

Explanation:

Since you have two lowercase letters on the right side of the punnet square, there is a 50% chance that the pea pods will be the color green and the other side is dominated by yellow pea pods, which tells us that the percentage is also 50%. Summarized, there is a 50% chance that the pea pods will either be green or yellow.

Answer:

chlorophyll yeah yeah yeah yeah

Answer:

exoskeleton

Explanation:

An exoskeleton is the hard outer covering that supports and protects some animals without backbones.

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Answer:

exoskeleton

Explanation:

Answer:

Explanation:

1.  both DNA and RNA

2. guanine

3. cytosine

4.DNA

5. RNA

Answer:

because it is showing the before and after effect of the rocks as the years go on

Explanation:

Answer:

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Explanation:

This would cause mantle material to rise in its place, pushing up the crust and forming isolated mountain ranges and associated basins. This activity would cause minor earthquakes and maybe even additional pockets of volcanism.

Answer:

Without plate tectonics, Earth would not have its diverse geography, which provides a wide range of habitats. Plate tectonics is also responsible for hydrothermal vents on the ocean floor.

Explanation:

Answer:

Therefore, the gray wolf's scientific name is Canis lupus. This naming system is referred to as binary nomenclature and is the same all around the world, which helps people who speak different languages talk about the same species without question.

Answer:

Most of the station's oxygen will come from a process called "electrolysis," which uses electricity from the ISS solar panels to split water into hydrogen gas and oxygen gas.

Explanation:

Space Station (ISS) has managed to successfully cultivate salad crop - red romaine lettuce - that is free of disease-causing microbes and safe to eat, and is at least as nutritious as Earth-grown plants.

Answer:

If you drank salt water continuously everyday your going to have a very high blood pressure. This is caused by the salt in the water. The human body needs salt but not to much salt or it will make you die. It can also give you kidney problems that can kill you in no time.

Explanation:

Answer:

the image is blurry

Explanation:

Answer:

the vaccine is very important

Explanation:

step by step explenation

Answer:

High density also affected the weight of snails and survival to a greater degree than ... that snail populations are regulated by nonlinear density-dependent mechanisms. ... individuals in the environment is a critical ecological factor that can affect the ... is to treat water bodies with a molluscicide to reduce the number of snail

Explanation:

Answer: C

Explanation:

A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web. Producers, who make their own food using photosynthesis or chemosynthesis, make up the bottom of the trophic pyramid.

do the energy humans use in their cars actually originate from the sun? they do! most products like oil, gas, and coal actually come from the sun. the reason why i say this is because all those things are natural which means they came from photosynthesis. according to the site  (Where Does the Energy in Fossil Fuels Come From? http://techalive.mtu.edu) "So, in one sense, gasoline-burning cars, coal-burning power plants, and homes heated by natural gas are all solar powered!"

Explanation:

True. All of the energy in coal, gas, and oil was first stored by the sun through photosynthesis. Hence, in a certain sense, solar power is used by gasoline-powered vehicles, coal-fired power plants, and residences heated with natural gas.

In order to accomplish work and to produce heat and light, energy must be transferred to the a body or to a physical system. Energy is the quantitative attribute that does this. Energy is a preserved resource; according to the rule of conservation of energy, energy can only be transformed from one form to another and cannot be created or destroyed.

Energy is the ability to do tasks. It could exist in several different forms, such as potential, kinetic, thermal, electrical, chemical, radioactive, etc. Moreover, there is heat and work, which is energy being transferred from one object to another. Energy is always assigned based on its nature once it has been transmitted. Hence, heat transmitted may manifest as thermal energy while work performed may result in mechanical energy.

Thus, all of the energy in coal, gas, and oil was first stored by the sun through photosynthesis. Hence, in a certain sense, solar power is used by gasoline-powered vehicles, coal-fired power plants, and residences heated with natural gas.

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