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Animal Evolution Project: Tiger

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Austin Alvarez

on 17 December 2014

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Transcript of Animal Evolution Project: Tiger

Animal Evolution Project: Tiger
Early Ancestors
Some of the earliest tiger fossils date back most likely between 1.5 and 2 million years ago. The are many different fossils and speculations that have been examined by various scientists. One for example is the Saber Tooth. They have been "thought to have evolved into subspecies." The Saber Tooth dates back to about 35 million years ago. The are still many unknown things about the early ancestors of tigers but researchers and scientists and trying to find more information about it's ancestors.
Intermediate Ancestors
One intermediate ancestor of the tiger species is the South China Tiger. The South China Tiger is have thought to been a subspecies descendent of the Saber Tooth. The South China Tiger has many traits that make it part of the intermediate family of the tiger species. Another intermediate ancestor of the tiger is the Sumatran Tiger. The Sumatran Tiger's "genetic profiling" has shown that the tiger is different from the rest of the actual tiger species but still shows traits of being an intermediate ancestor of the tiger species.
Modern vs. Ancestral Adaptation
In modern adaptation the tigers have striped coats that assist them in blending to their natural habitat. The sun filters through trees and to the jungle floor which helps them blend in better. Another modern adaptation is that the tiger has amazing hearing. Tigers have what is called infra sound hearing which is below normal sound waves. In ancestral adaptation the Saber Tooth had big teeth. The theory of why Saber Tooth Cats have big teeth is that it helped them to chew their food. The teeth were also used to help protect them from their natural predator.
Environmental Impacts: Adaptations
Some environmental impacts that tigers have dealt with is diseases, habitat loss, and poor genetic diversity. Diseases were spread in early 2014 into the natural habitat of the tigers. Most of the tigers natural habitat is damaged from fires or other natural disasters. Genetic diversity is also part of the environmental impacts for the tiger species.
Animal Habitat: Location
The habitat of the tiger is in Asia, specifically throughout Southeast Asia, China, Korea and Russia. Tigers live in areas where there are swamps, rain forests, and grasslands.The tigers like to live in areas where there are trees, bushes, and places where there are a lot of grass. The places where they live are like places in the jungle area.
Evolution Timeline
The evolution of the tiger is that they started off as the Saber Tooth and then slowly with genes changing and the world changing the tiger mutated into the state of where they are now. They change over time especially when they have parts that they no longer need anymore.
Environmental Pressures
Some of the environmental are that there are a lot of natural disasters that are affecting the natural habitat of where the tiger lives. Over flooding is affecting where the tigers live and where they get their food. Fires are also damaging the home of where the tigers live.
My hypothesis is that my animal: the tiger will eventually go extinct. I think that it is dangerous when people hunt the tigers. Fires are destroying the natural habitat of the tiger and are giving the tigers no place to live. I think that the tiger is not going to have a bright and hopeful future.
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