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Human actions are increasing the rate of evolutionary changes in plants and animals in ways that may hurt their long-term prospects for survival. Hunting, commercial fishing and some conservation regulations may all work against a species health. Researchers from several Canadian and American universities found that rates of evolutionary change were 3 times higher in species subject to harvest selection than in other species. They say the data they analyzed suggested that size at reproductive maturity in the species under pressure had shrunk in 30 years or so by 20 percent, and that organisms were reaching reproductive age about 25 percent sooner. Commercial fishing nets and other gear that comply with conservation regulations typically trap large fish while letting smaller ones escape. So because of human activities, the large fish may die off and the smaller fish will rule the population.

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Human activity affect many things in this world. We cause massive air pollution which causes our earth temperature to rise rapidly which causes polar ice caps to melt. When the ice caps begin to melt the ocean waters temperature will also change causing massive storms to form and destroy many habitats and even cities.

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human activity has dramatically change species and their habitats. Pollution and the chopping of trees are some examples of evolution. when we chop trees down, the animals that live their die off as well because they no longer have a place to live hide or feed off of.

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Human activity affects evolutionary change because have of the people in the world smoke are use things that pollute the air. we are ruining our natural resources and it's going to hurt us in the end. Also throwing things in the ocean that don't belong can hurt our planet to and mostly our animals. We may be close to destroying our o zone layer by polluting the air with harmful smoke , or gases or any sort.

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I believe our human activity like oil spills in the ocean affect our oceans environments. The oil spill in the golf of Mexico killed and affected thousands of organisms in the ocean. The oil spills causes mutation in the fish such as extra eyes and limbs. The oil spill has caused many organisms to move and find a new environment.

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Human activity has effected the ice caps by melting them and decreasing the population of animals for example the polar bear and penguin population is currently decreasing substantially and is very close to extinction. Scientists are currently trying their best to save the polar bear and penguin populations by keeping them in reserves.

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Human affect the environment by wasting gas, wasting electricity, creating pollution, waste resources, littering, cutting down trees, bring animals to an extinction and planting trees where they aren't needed. When the environment is affected it causes evolutionary changes.

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Many things such as smoking, pollution, and cutting down trees, are all examples of the human activity that we as humans do that affects evolutionary changes. Because of these activities, we have caused the world to reach a higher global warming stage

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i belive that like australia, the pollution that they have accumulated has destroyed their o zone layer and now it is changing their environment and now tat it is destoyed, it is changing their atmosphere. As the term of backfire, because they ruined their environment, as ms allen explained, they have the highest percent of skin cancer. So now that the people have skin cancer, that is now in their genes. So in the future, their children are going to have that trait of cancer and it is going to pass down to generations.

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The human activity done in this world has extremely changed the planet.

The cars humans invented has severally damage the ozone layer, causing the uv rays affect our skin directly, therefore more people have skin cancer and other skin related diseases.

In addition the construction of houses have killed rain forest ecosystems and jungles and taking with those ecosystems a lot of animals, which are now known as animals in risk of extinction.

Humans have created a beautiful place to live, but that beautiful place has a dark side that not everybody can see.

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Human activity affects evolutionary changes because we are slowly ruining our natural resources and eventually we will not have any. We are taking advantage of our environment by trashing it and polluting it. We are also cutting down way too many trees when we need them to survive. We may not be aware of it now, but in a few years when we are low on these resources, we will regret it.

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Humans can have evolutionary changes that affect all aspects of life.

It is proven that, the small amount of time humans have lived in this planet, it have had a dramatic change to the earth such as carbon dioxide levels rising, forest declining, animals becoming extinct, ocean pollution and much more. Bees for example have been declining all over the world, the issue perhaps can be the toxic chemicals released by humans to protects their crops. Large quantity of birds and mammals such as panda bears have been decline to a minimum amount of that specific species due to the fact of deforestation.

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Humans have affected many species all over the worldwith pollution and chemicals and pouring chemicals into oceans, or cutting down forests, actions like these have affected the evolutionary processes of many species.

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I believe human activity does affect evolutionary changes in our environment. Human add to the global warming that is going on with that of factories, just by using them contributes to global warming. Our trucks and cars contribute to global warning, if humans take evolutionary precautions we can cut back and go green the addition of global warming we are contributing can far be less. This is why it is fall right now it its about 90 degrees. Human activity not only put other humans in danger but also other species of animals by cutting down rain forests and building resorts for our entertainment and "benefit" but where just harming the environment and species helping the environment around us.

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Humans affect animals in various types of ways. Even we are self's are affected as people get acne yet we cant go through evolution fast enough to not have it. For example the north pole has polar bears dying just because of a 1-2 degree celcius temperature rise. The emissions we release are disastorus to are future. Evolution in my belief can not go at such a fast pace that polar bears could evolve to live in warmer weather or swim constantly. In this case we will continue to see various species die due to are over use of earth and evolution being so slow as it is.

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Some human activities can be harmful to different species. But overtime, evolution can take its toll and these species can become resistant to such activities. For example, water pollution has become one of the biggest human activities negatively affecting aquatic species. While the dumping of trash and oil spills harm and kill aquatic animals, there are some advantageous evolutionary changes, specifically with fish. Special chemicals get dumped in lakes, oceans, and ponds. These chemicals can harm a fish's immune system forming tumors and such. But thanks to evolution, studies show fish and other aquatic animals have become more resistant to these chemicals.

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Human activity such as littering, smoking, hairspray, not recycling, and factories; can

lead to major damage on the world and the society and other species. By the societies

ignorance of not taking care of this world we live in, by littering; they cause pollution

in air. Also when people smoke, and use chemicals (ex. hairsprays, paint sprays etc.

any product that is sprayable and contains chemicals); cause the pollution of the air ,

that we breathe and need to survive. The pollution of water affects the fishes by killing

them, which is the reason why they end up on the shore. The pollution of air is causing

the atmosphere to open, by this happening the heat is increasing; and causing a

larger amount of people in this world to get skin cancer. Also when smoking near

child or pregnant woman, may cause birth defects; and for the children may cause

defects, and breathing problems.

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Human activity such as global warming causes evolutionary change in our climate. Right now we are in an extreme drought, regarding heat. That heat causes glaciers to melt and water levels to increase. When the water levels increase we are more prone to floods in areas of our world. Our fault in this is simple. We use so many substances that pollute our air; such as: hairspray, gasoline, cigarette smoking, air fresheners, car ignition, refineries, and etc. Because of this we have animals that are use to land, but now have to adapt to water. For example, the sea turtles weren't always adapted to the sea. They once roamed the land with ease, but because of the water levels rising the turtles had to find a way to survive. So instead of normal legs the started to breeding turtles with fin like limbs.

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In theory, evolution is all about adapting. Species evolve in order to survive and reproduce. Survival of the fittest, which states that only the strong survive. As humans, we do anything in order to evolve. We cut down forest, pollute our environment, and even cause other species to become extinct. For example, in Zambia elephants who have no tusks live longer than those elephants with tusks. Female elephants with no tusks went from 10 to 40 percent in the last 40 years. This is due to poachers who kill a whole elephants just for a few inches of ivory.

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Deforestation is a human activity that involves

the elimination of trees in forest. Causes for

deforestation are because of creating more land

for housing, urbanization,timber,cash crops, or even

firewood. So how does this connect with evolution?

Evolution, as we know can affect any living specie, so

with that in mind, when deforestation occurs some

birds, such as a toucan which are large beaked birds

and eat large seeded fruit, become alert of the

decreasing amount of trees which are their food supply

so they migrate to other environments for safety and

food. The trees however, have became dependent on the

toucans to spread their large seeds and help them reproduce

but now that the toucans have fled the trees must evolve and

change their seeds from large to smaller in order for smaller

birds to be able to eat the fruit and help disperse the seeds

so the trees wont become endangered or even extinct.

http://science.time.com/2013/05/31/how-human-activity-

and-extinctions-are-driving-evolution/

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Connect the affects of human activity to evolutionary changes. Give an example to support your findings. Please tap the link below and give a response to the following reading. Students please tap below the assignment. Please do not overlap another students response. (6-8 sentences min. )