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- Parthenogenesis reproduction Most of us knew in the classroom a living being is the result of male and female, and that way will be possible a vast variety of genes, avoiding unwanted mutations. However, there are some species that reprocide by themselfies, being unnecessary the presence of male pattern. In the nature there are a lot on examples: gecko, komo dragons, turkeys, pythons, sharks, and more than eighty animais occasionally dispense male gene. This exists because is handy avoid sex energy such as mating ritual, leave individus vulnerable predators. Meanwhile, females reproducing themselfies do not waste time and overtime a population grow rapidly. Нowever, that way can be harmful for some species. A poor genes diversity might unleash a vast unwanted mutations and nosedive a population for example. Indeed, scientist did not untangle when a some specie will be extincted, there is no evidence yet, this fact is unknow for many.May 27, 202320
- A little bit about the biggest urban forest in the word. Today, I gonna tell a litte bit about a place that I love, Floresta da Tijuca “Tijuca´s Forest”. This forest is the biggest urban forest in the world, and for me, it is the main touristic attraction in the Rio de Janeiro city. In this region, there are many tracks and waterfalls that a lot citizens and tourists visits , and the most important brazilian spot touristic is located there, Cristo Redentor. In spite of been well known, few people knows that this forest was reforested in the nineteenth century by the monarchy. During the 19th century, farmers cut trees to open space for sugar and coffee industry, however with overtime, the rivers that flows and used to supply the city were drying. At that, Dom Pedro II, ordered the reforestation of these lands, with the objective to recuperate the water supply. In the beginnings, native species were planted, a chief police coordinate the mission, and six slavers cultivated more than one hundred thosand trees. Afterward, landscapers projects were implemented, originating lakers and beautiful gardens. Unfortunately, some foreigners species were brought, as a jackfruit from India, nevertheless they spread rapidly and destroy native plants. Nowadays, o “Parque nacional da Tijuca” (Tijuca National Park) is a pungent forest that connect neighbors and people, his view and beauty show us how we can conciliate a big city with a environmental development, without these green area, Rio de Janeiro would be more polluted and graceless. We must thank the pioneers that rebuilt the ecosystem and preserve this legacy for our descendants.
May 21, 202320

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