Essay on Endangered Species
Extinction Of Animal Extinction
Extinct Animals
Analysis: Should We Bring Back Extinct Animals
Biodiversity Loss And Loss Of Species Essay
Arguments For Cloning Extinct Species
Extinct Species: Dodo Bird
De Extinction Of Species Research Paper
Persuasive Essay On De-Extinct Animals
Persuasive Essay On Endangered Species
De-Extinction Species
The Extinction Of Species Extinction
Should Scientist Bring Back Extinct Species
Endangered Species
The Effects Of Endangered Species
Invasive Species Extinction
Essay On Animal Extinction
1. Essay on Endangered Species
Endangerment is a broad issue, one that involves the animals as well as the environments where
they live and interact with one another. In order to solve or even slightly elevate this problem,
every aspect must be studied. So exactly what could cause the endangerment of animals? There are
several factors of which only a few will be discussed.
One of the main aspects is that of habitat destruction. Of course our planet is continually changing,
causing habitats to be altered and modified, but these tend to happen at a gradual pace. This allows
most species to adapt to the changing environment, where only a slight impact may take place.
However, when changes occur at a fast pace, there is little or no time for...show more content...
Due to this moratorium, some whale species, such as the Grey whale, have made a remarkable
comeback, while others still remain endangered (Reichhardt p. 322).
Disease, pollution, and limited distribution are more factors that threaten various plant and animal
species. If a species does not have the natural genetic protection against particular pathogens, an
introduced disease can have severe effects on that specie. For example, rabies and canine distemper
viruses are presently destroying carnivore populations in East Africa (Campbell). Domestic animals
often transmit the diseases that affect wild populations; demonstrating again how human activities
lie at the root of most causes of endangerment. Pollution has seriously affected multiple terrestrial
and aquatic species, and limited distributions are frequently a consequence of other threats;
populations confined to few small areas due to of habitat loss, for example, may be disastrously
affected by random factors.
The benefits of saving endangered species are great in numbers. Many plants and animals hold
medicinal, agricultural, commercial and recreational values. They must all be protected and saved so
that future generations can experience their presence and value.
Plants and animals are responsibly for a variety of useful medications. In fact about forty percent of
all prescriptions written
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2. Extinction Of Animal Extinction
There have been five well known extinctions on this earth. The one most well known is the mass
extinction that ended the dinosaurs. Mass extinction is often described as the elimination of a large
number of species in a short period of time. Despite what many think, the elimination of species is
almost commonplace at this point. The Earth is currently in the middle of a sixth mass extinction, and
it's been caused by the human race.
It's clear that a great extinction is coming from the evidence of the destruction of other species
around us. The choices made by the human race have too often negatively affected the surrounding
species. Tracy Wilson, the site director for HowStuffWorks.com, in an article for Animal Planet,
states that...show more content...
Not to mention "...both groups emphasized that climate change would play an increasing role in
species decline..." (Gilman). Climate change is still a controversial topic to some, but many
scientists have proven that it's true. In fact, Neil Degrasse Tyson has given evidence to prove its
truth and already informed the world that it's too late to fix people's mistakes (Neil). The extinction
of species has been caused in certain instances by climate change, which is only getting worse.
People have continuously altered the environment to the point of harming other species. The human
race's tendency to destroy an environment greatly impacts the plants and animals residing there. To
be more specific, "Human destruction of animal and plant habitat...appear to be having a major
impact on extinction rates" (Wilson). Environmental degradation and habitat destruction are both
key players in the extinction of many world species. The impact people have had on the environment
is much bigger than most anticipate, as they both destroy and intervene with the environment.
One specific way that humans have begun the process of world extinction is through their incessant
meddling with the environment. Not only do people destroy the environment with our wreckage and
pollution, but the human race has introduced species into other ecosystems, causing massive
repercussions. Referred to as invasive species, their introduction into a
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3. Human effects and involvement on endangered and extinct species
Tiffany Tierson
Abstract
This paper was constructed to give an overview of the vast majority of species that are disappearing
and have disappeared from the earth. With informative knowledge and accurate numbers the reader
was introduced to the different ways that animals are becoming extinct, deforestation,
overpopulation, economic prosperity, population growth, urban environment, global perspective and
science and ethics. Each of these is affecting different species at different rates, but what was
concluded by comparing numbers is that humans are truly responsible for their actions and the
actions of causing the exaction and endangerment of animals. Humans are the...show more content...
When the trees are cut down the frogs are unable to reproduce (http://www.iucnredlist.org).
The Asian Elephant and overpopulation Asian elephant's population once expanded from West Asia
along the Iranian coast into the Indian subcontinent, eastwards into South–east Asia including
Sumatra, Java, and Borneo, and into China at least as far as the Yangtze–Kiang. Crude estimates
must be made about the remaining population size because it has become hard to count the number
of animals left in the thick vegetation where they have been forced to reside from people invading
their areas. Asian elephants can be found in grassland, tropical evergreen forest, semi–evergreen
forest, moist deciduous forest, dry deciduous forested and dry thorn forest, in addition to cultivated
and secondary forests and scrublands. These are areas, especially the forests where the growing
population of Asia and India have now become human homes and territory, forcing the animals to
reside on smaller locations of land with fewer resources for them, and more for humans. (http:/
/www.iucnredlist.org/details/7140).
The Siberian (Amur) Tiger and science and ethics The Siberian tiger resides mostly in Russia along
the Amur River. The tiger used to range all over east Russia and west Russia, but now is in this
small area where it is protected. There are no longer tigers in West Russia they have become
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4. Extinct Animals
The extinction of an animal species occurs when the last individual member of that species dies.
Although a species may be "extinct in the wild," the species is not extinct until every individual,
regardless of location, captivity, or ability to breed, has died.
Extinction of Animals Causes
There are several causes of extinction of several animal species, prominent among which are loss of
habitat, extinction of animals due to deforestation, extinction of animals due to global warming,
extinction of animals due to hunting.
List of Extinct Animals
The long list of extinct animals in the world features more than 50 animal species that have become
extinct from the planet in last 100 years alone. This extinct animals list feature mammals,...show
more content...
It was found in abundance throughout the country till the introduction of mustelids – predatory
mammal from weasel family, was introduced on the Island. The first half of the 20th century was
marked by rare sightings of Bushwren. A subspecies of the bird, Stead's Bushwren, found on Stewart
Island, got extinct due to excessive predation by the feral cats. As the last attempt to revive the
population, they were transferred to Kaimohu Island, where the last sighting took place in 1972.
Canarian Black Oystercatcher
The Canarian Black Oystercatcher, more popular as the Canary Islands Oystercatcher, was a
shorebird found on the Canary Islands in Spain. The bird disappeared from its natural habitat in the
beginning of the 20th century. It is assumed that the disturbance by the local people and predation
by rats were the prominent reasons for the extinction of Canarian Black Oystercatcher. Some
theories also suggested that loss of habitat was responsible for the extinction. According to the local
fishermen and the lighthouse keepers, the last sighting of this species happened in 1940s. After
several attempts to find this bird failed, finally it was declared extinct through IUCN Red List for
1994.
Cape Verde Giant Skink
Cape Verde Giant Skink, also known as the Cocteau's Skink, was a reptile endemic to the Cape
Verde islands of the Atlantic Ocean. Loss of habitat, owing to human activities, is supposed to be the
main cause of
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5. Species Extinction and Conservation
The problem the world faces other than global warming or poverty is species extinction of
animals and plants all around the world. Most everyone either knows about or has some small
idea that we there is a problem but it can be a complicated subject to talk about. (Tepper 2010)
People have normal worries like global warming, pollution by factories and things like genocide in
other countries.(Tepper 2010) The problem people should be thinking about and worry about is
species extinction and it is nothing new to planet Earth which has had approximately six mass
extinction events that have occurred over millions upon millions of years. The words like "mass
extinction" is a word that most people find alarming just the sound of that word can make a person
think hard about the possibilities. What most people may not know is mass extinction is nothing
uncommon for our planet. We know that the eco–system is swiftly losing different species of
animals and plants at a huge rate. The scientist believes Extinction is an event that is natural to
nature, nature will take a rate of approximately 1 to 5 species every year. Though this rate does
not fit the present time and the planet is believed to be losing approximately 1000 to 10,000
species per year and some species are going extinct every day without a lot of people knowing about
it.
This can be something of a scary situation especially for the future of our planet. There is about 30
to 50 percent of
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6. Analysis: Should We Bring Back Extinct Animals
De–extinction would have to be one of the most good things that would happen to earth. The
population would not decrease less and we would see what type of anailms we have or had and see
what it was like to have those animals again and what it was like for new animals to come back to
this world .
To begin with, In the article Should We Bring Back Extinct Species stated that ВЁSupporters of the
de–extinction say that it could improve the environmentВЁ the grass would be better because if
the grass ever gets tall you can count on them to eat it but if you think about it if they eat to much
we won't have grass . The author chose that if he would state facts the might get the peoples
attention that they would be up for bringing back animals to see what they had done and what if
our world would change with them back or not and if we do we kinda have to be careful on how
many animals we are bringing back and what they eat if they are to big or not and if they would take
up the whole environment and eat to much. Also,...show more content...
The author chose to say that because you would really feel how it was like with giant dinosaurs
and know what it would be like if they would eat the small animals if they would eat the the grass
and there would be no more left but if we brought those back we would be able to find out we
would be able to know what it feels like and maybe we would see how much it has changed our
environment or not and the people would see what it's like to have those animals back and they but
the bad thing it what if they start killing more because they know we can bring them back again.
After
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7. Biodiversity Loss And Loss Of Species Essay
Biodiversity Loss
The environmental issue that I chose to research is 'Biodiversity Loss'. Biodiversity loss is the loss
of species on our planet. For example, this is animals and plants that have done extinct. This has
impacted every corner of the globe, since the dinosaurs we have lost thousands of animals and other
forms of life to extinction. According to Endangered Earth "there are now 41,415 species on the
IUCN Red List, and 16,306 of them are endangered species threatened with extinction,"
(Endangered Earth 2016). It is estimated that we only know about 15% of all the species that call
Earth home, at this rate we will lose thousands of species before scientist can even identify them
(Watson 2011). There are several reasons the humans are at fault for the extinction rate, to name a
few; hunting, loss of habitats, pollution, climate change, and so many others. One of the main issues
that is causing a loss in biodiversity is the loss of habitats. The majority of habitats that are destroyed
for more land or for their resources, which leads to having more land. When the land runs out of their
natural resources houses and other 'buildings' are built up in the place of the natural habitat. Once
the buildings are built, humans move into the area bringing diseases and species not native to the
area. This can simultaneously knock out hundreds of species that no longer have homes or are
unable to adapt to the new environment (Biodiversity Information 2016). One of the more
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8. Arguments For Cloning Extinct Species
Introduction:
In 2003 the Pyrenean Ibex, an extinct subspecies, was successfully cloned and brought back to life
albeit only for a few minutes (Zimmer, 2015.) Thus bringing the idea of cloning extinct species itself
to life. Newton (2015) shows that in animals cloning is achieved by transplanting the nucleus of one
animal into an enucleated egg cell of another. Cloning has become more precise and increasingly
common in our rapidly progressing society (Newton, 2015) however from this a debate as to
whether these technologies should be used to clone and bring back extinct animals has arisen. A
central reason as to why this causes such a large debate is due to the apparent defiance of nature that
is occurring (Zimmer, 2015.) There are many arguments...show more content...
Michael Archer believes that as a society we have a duty to animals that became extinct due to direct
human impacts (Zimmer 2013.)
When the extinct Pyrenean Ibex was successfully cloned the newborn kid died in minutes due to
lung deformities causing breathing issues (Gray & Dobson 2009.) A 2013 study of cloned piglets
led to the findings that of the piglets born 48 % died in their first month and 29.5% of them
exhibited malfunctions (Schmidt et al 2015.) From this the issue of a cloned animal's welfare is
raised showing that unless technologies advance significantly there is a high risk of suffering and
death for such animals (Sherkow & Greely 2013.)
Another ethically problematic area is that of money, by cloning extinct species large profits may be
made off of the animals, especially well–known ones, from things such as donations and private
funding (Cottrell et al 2014.) This would allow the animals to be treated well and for further
cloning efforts. However this leads to the issue of money being spent in the wrong places for the
wrong reasons, where as it could be better spent on conserving the many species at current risk of
extinction (Four reasons against de–extinction
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10. De Extinction Of Species Research Paper
Erika, as I record your discussion you made serious points on species going extinct and the de
extinction procedure. Species plays a significant function in humans live and in the natural
surroundings. Erika we as humans eat food and it keeps us active. Do you think species will be
the same or have the same nutrients? As we know in our environment today chemicals are used to
make species grow faster. It makes me question and wonder how scientists are taking our
environment into their own hands. There should special laws on how and what species are to be
recreated. I personally feel species should be left alone and let our creator continue to replenish our
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11. Persuasive Essay On De-Extinct Animals
"De–extinction, or resurrection biology, is the process of creating an organism, which is either a
member of, or resembles an extinct species, or breeding population of such organisms. Cloning is
the most widely proposed method, although selective breeding has also been proposed. Similar
techniques have been applied to endangered species." (Wikipedia) Scientist should not de–extinct
species because people could be exploiting these animals solely for selfish purposes. Ultimately
causing individuals of the de–extinct species harm. Though de–extinction could offer insight to
evolution and natural resources that are currently unavailable. Scientists should not bring back
animals that have been extinct. There is significant controversy over de–extinction. One piece of
evidence why scientist shouldn't de–extinct animals is that, de–extinct species would be alien and
potentially invasive. Their habitats and food sources have changed. So their roles in these changed
ecosystems could also be altered. Professor Corey Bradshaw from the University of Adelaide points
out that de–extinction projects do nothing to address habitat loss. "Without sufficient genetic
variability, a population is almost certainly...show more content...
Preventing existing endangered species from going extinct should proceed over reviving species
already lost. Why should the world's scientific resources be focused on reviving species, when
African elephants will most likely be lost by 2020? Polar bears, giant pandas, rhinos, and snow
leopards are also going extinct. But sadly, the list is so large that there are many species you may
never have suspected are endangered. Although some de–extinctionists insist that the knowledge we
gain from de–extinction science may help us to save current species. It is a very risky thing to do,
given the terrible situation of the current mass
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12. Persuasive Essay On Endangered Species
When a species of plant or animal becomes an endangered species, it is at a serious risk of
extinction. It is estimated that each year 0.1% of species become extinct each year due to human
activity. If there are 100 000 000 different species co–existing with us, then 10 000 species are going
extinct each year due to human activity. We are causingspecies to become extinct 1 000 to 10 000
times faster than the natural extinction rate. When presented this information, we ask ourselves one
question: how is it that humans are to blame for the endangerment of species? As the human
population grows, our ecological footprint, the measure of our demands of natural resources, is
becoming too large. We have such a high demand for more...show more content...
They not only want to help endangered and unique wildlife, but they also aspire to help the local
economies and communities, and keep our air clean and pollution–free, but what is their plan?
WWF, World Wildlife Fund, has been working with governments, communities, and companies
for over 50 years to promote responsible forest practices and to protect forest areas, and right now,
20% of all forests are properly protected. Ending deforestation has no silver bullet solution; forest
industries are worth millions, and we use forest resources in our everyday lives, but if we work
together, we can create approaches that will make big differences to our forests. For example, if
corporations introduce a "zero–deforestation" policy, they can clean their supply chains. This policy
makes businesses hold their suppliers accountable for producing their commodities in a way that
does not fuel deforestation and has a minimal impact on our climate. Companies should also consider
maximizing their use of recycled products, and for products that are non–recycled, follow a
certification system such as the Forest Stewardship Council. Until businesses take action,
organizations and activists have taken matters into their own hands by investigating, exposing and
confronting the environmental abuse by corporations. Some major establishments such as
McDonalds and Nestle have already taken steps in the right direction by changing their ways and
building solutions to protect
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13. De-Extinction Species
De–extinction is so cool but there is no asherens it will go exactly as planned.It can have so many
full backs like desys and another dust bowl because of all the grass and food reward to feed these
creatures and they don't care if you need that land of that grass or anything about the fall back they
just want to eat.One thing is,ВЁSpecies could carry retroviruses or pathogens when brought back to
life.ВЁThey could seriously harm other species that are alive and that same virus or pathogen could
mutate and harm us humans to and the very thing we tried to save ends up killing us right after we
save its species.Also, ВЁDe–extinct species would be alien and potentially invasive...ВЁ Which this
means that the de–extinct species could petenshely take...show more content...
What also could happen is, ВЁpeople may cause individuals of the de–extinct species harm.ВЁWe
can do what we did to make a lot of the species we are trying to bring back extinct like depending
on the species we can spend all this money on bring it back and then we can hunt it to the point of
extinction agenda and then it would be a massive waste of resources and money. ВЁtheir habitats
and food sources have changed, so their roles in these changed ecosystems could be too.ВЁThis is
the nice and the scary thing about this is you have all this power as one of the so called higher
species in the web of life but you can also imagen and see what stepig past awer roll could do like
the–firestation is cadastrofik and that is only because we felt we had the right to play the creator
and in tern we could do something similar to the ecosystem if we go threw with this. ВЁIs
de–extinction playing god, or just plain wrong?ВЁ potential problems and sichuwashens that could
ever at any time and destroy everything that is interesting about this. There are cool things to this as
well but that but needs to stay in the back of the mind so as i show you what is intriguing you don't
lose what could
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14. The Extinction Of Species Extinction
Species Extinction Species extinction is a familiar topic. I started understanding about species
extinction even before I joined school. I learned there used to be hung animals such dinosaurs
and mammoths, which had ceases to exist many millions of years ago. There were toys and films
depicting such extinct animals. I used to wonder why they decided to become extinct. As I grew
up and with a desire to expand my knowledge, I came to learn that different species adapt to
deferent environmental conditions. For instance, urbanization, desertification, depletion of ozone
layer and climate change are some of the major global issues that contribute to species extinction.
In order to address the concerns of species extinction, the global community has come up with the
Convention on Biological Diversity whose main aim is to reduce the loss of species. However,
before taking this class, I had not understood the extent and the rate of species extinction. It was
very interesting to lean from the video about the mitigation measures human beings are putting in
place to reduce the effects of species extinction. The two most interesting measures were the
seedbank at arctic and the idea of cloning of extinct animals from DNA collected from fossils.
Such ideas beg one to ask, "What is the next technological idea?" The two videos can be seen as a
practical approach of implementing Principle 15 of Agenda 21. This principle, precautionary
principle calls for protection of environment if there
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15. Should Scientist Bring Back Extinct Species
In the argument of "Should We Bring Back Extinct Species" by Joseph Bennett and Ben J. Novak
it is discussed whether or not species that were once dead could be brought back to life. Scientist
should not bring back extinct species.This all sounds like a real jurassic park dinosaurs could
make a come back but why should scientist bring back an extinct species when we can't even keep
our still living animals alive. Joseph Bennett the assistant of biology from Carleton University states
"Those who support bringing back extinct species will say that doing so will help support other
species. But scientist already have important species–such as elephants tigers, and rhinos–that are in
serious trouble." If scientist were to concentrate on resurrecting
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16. Endangered Species
Many species vital to ensuring that today's environment will thrive are becoming extinct. If a
species is slowly dwindling, and in imminent danger of becoming nonexistent, this species is
considered to be endangered. "One in four mammals, one in eight birds, one third of all amphibians
and 70% of the world's assessed plants on the... IUCN Red List are in jeopardy" (IUCN, 2016).
According to the International Union for Conservation of Nature, or IUCN, upwards of 16,000
species are threatened with extinction, including both plants and animals (IUCN, 2016). Before
becoming endangered, a species will show warning signs, either by starting to lose biological
diversity or by losing the habitats for that species to flourish in, or in the worst case, both. The
word endangered can sometimes be confused with threatened, extirpated, or extinct. Extirpated
refers to the state of a species where its population has died out in a certain area or range, but
other populations of said species still exist elsewhere (Olden, Julian D., 2008). When a species is
considered threatened, or vulnerable, this refers to the state of the species being susceptible to
endangerment and extinction ("Extinction crisis escalates"). So if a species is threatened, the first
signs of endangerment come along, which are similar signs to that of a species in danger of
becoming threatened, including lack of genetic diversity, or overhunting may be evident.
("Extinction crisis escalates"). When a species is labelled
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17. The Effects Of Endangered Species
Since the arrival of humans, species of all kinds have gone extinct at exceedingly rapid rates with no
consideration of the detrimental effects it can have on the planet. Animals become extinct for
countless reasons such as natural disasters, inability to adapt to different environments, and a loss of
habitat. According to Freedman and Duncan, today,extinction rates have risen to an average of
1,000 to 10,000 times the natural extinction rate (2014). Extinction is a natural process in life,
however, because of human activities, species are dying off much faster than what is normal. If
humans choose to discontinue help that can save endangered species, the effects will determine the
fate of planet earth. Efforts to save endangered species have not done nearly enough. Without some
of the most important creatures and plants, humans can lose millions of dollars in economic values,
lose ecosystem services that are vital to the planet, and affect the biodiversity of earth. (Make a
divided thesis statement)
Endangered species have become a rising issue within the last century due to the extensive rate of
mass extinction of animals and plants. To classify a species as endangered means it is at risk of
becoming extinct. Once a species is extinct, it is vanished forever. There are multiple factors that
cause animals to be endangered such as climate change, invasive species that are introduced to a new
habitat often leading to devastating consequences, and mass hunting and poaching of
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18. Invasive Species Extinction
Humans have caused another extinction, one that could possibly take us down in the process,
species are exponentially going extinct because of habitat loss, species exportation, and invasive
species bullying native species. On the other hand, scientists are trying to safe guard native species,
keep animals in captivity whether it be for the animals well–being or for research, and widespread
invasion. In this essay I will be comparing and contrasting "What Everglades Pythons and Other
Invasive Species are Trying to Tell Us," by Julia Whitty and "The SixthExtinction," by Jeff Corwin.
Habit loss has been one of the most prominent issues regarding the animal kingdom, and now it
seems like the human race is trying to rid our earth of the decreasing amount of flora in certain
areas. In Indonesia rain forests are being torn apart to make way for palm oil plantations. Although
palm oil is used in packages foods and cosmetics, the Sumatrans elephants and orangutan are
suffering from the habitats loss. (Corwin, 8)
Illegal trade of elephant ivory and rhino horn must be stopped now....show more content...
Hurricane Andrew was one of the most powerful hurricanes at that time and when it hit the cost of
Florida it is believed that's when the red lionfish had gotten out. Because of this, the species of red
lionfish have since multiplied and filled the coasts of Australia with their feathers waving
hypnotically trying to find and corner prey for their late night snack. Since the lionfish are so far
away from their usual waters their super technology they are making a holocaust of native species in
and around the Bahama
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19. Essay On Animal Extinction
Pleading Guilty to Animal Extinction Animal extinction rates have skyrocketed within recent years
due to the numerous detrimental human and environmental activities that currently wreak havoc on
our planet. Human beings alone are placing enough strain on animals to leave lasting and harmful
effects for years to come. Due to the steadily growing population, individuals are turning untouched
pieces of land into developmental projects to benefit humans. However, these sources of land are
home to a multitude of species whom are now struggling to survive due to these changes to their
habitat. Along with dismantling species environments, some individuals are also engaging in illegal
wildlife trade in order to keep up with the growing demand for numerous types of products. In
addition, deforestation is another activity humans participate in that negatively impacts animals
environments to benefit their own. However, there are also numerous types of environmental
activities that affect animals as well. Climate change and different types of pollution are proving to
be harmful as well. Overall, unless action is taken to overcome the consequences animals currently
face due to the harmful activities caused by humans and environmental factors, species will continue
to fall victim to extinction. Animals are losing their habitats at a rapid rate due to the detrimental acts
humans engage in throughout their life. Individuals are destroying animals habitats in order to fulfill
the wants
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20. The West African Black Rhinoceros, the Caribbean Monk Seal, the Tasmanian tiger, And the Javan
Tiger all have one thing in common, they are now extinct. And the reason? The reason is all around
you. In the 3.5 billion years Earth has sustained life, there have been five major extinctions in the
past 500 million years caused by natural disasters. Today, there are about sixty–six known species
that are either endangered or vulnerable to extinction. Due to human activity, we are now
undergoing a worldwide devastation that has caused a high loss of species and a massive
destruction to our ecosystem known as, the Holocene extinction. The Holocene Extinction
Extinction has been known as a natural part of evolution as species disappears, new ones come in
and takes its place. Over consumption, the introduction of exotic species and poor management
mean we are now losing species up to 1,000 times the natural rate. What happens when this type
of phenomenon is introduced in such a drastic way? Well you experience a rapid loss of animals
at an alarming rate and a massive change in our ecosystem causing global climate change. How
exactly did this happen? Well it all stems out from one major cause, humans. Our growing need for
food and fuel has destroyed habitats, eradicated species, and altered climates at an unprecedented
rate. On land or at sea we are the undisputed predator and never in the planet's history has a species
dominated as comprehensively as humans do. There are an
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