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  • Category: Handout or Class Script
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  • Downloads: 147
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FOTOSSÍNTESE E LIBERAÇÃO DE OXIGÊNIO

durante a fotossÃntese hà produÃÃo de oxigÃnio. Quando um feijoeiro à colocado em ambiente fechado com uma vela acesa, a chama à mantida por mais tempo, do que na ausÃncia da planta. à apresentado o resultado esperado e fatores que podem interferir no resultado.

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  • Category: Experiment
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  • Downloads: 243
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Observação da diversidade em ambiente aquático – Aula 1

Atividade para observaÃÃo dos seres vivos presentes num ambiente no entorno de um lago ou lagoa e coleta de Ãgua e detritos para posterior observaÃÃo de microbiota aquÃtica.

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  • Category: Experiment
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  • Downloads: 153
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Observação da diversidade em ambiente aquático – Aula 2

Atividade de preparaÃÃo de um meio para cultura de protozoÃrios e observaÃÃo microscÃpica da microbiota presente na amostra de Ãgua coletada na aula anterior.

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  • Category: Experiment
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  • Downloads: 115
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  • Category: Software
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  • Downloads: 2.491
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Radicais Livres

O software Radicais Livres à constituÃdo de quatro seÃÃes, com subdivisÃes:
(A) Fontes de produÃÃo - Descreve as fontes de produÃÃo mais conhecidas e enfatiza o papel da cadeia de transporte de elÃtrons na formaÃÃo dos radicais livres de oxigÃnio.
(B) O que sÃo e como se formam - Demonstra a estrutura quÃmica dos radicais livres e ilustra a formaÃÃo dos diferentes radicais livres de oxigÃnio na cadeia de transporte de elÃtrons.
(C) Como agem e o que causam - Descreve os mecanismos de aÃÃo e os efeitos provocados.
(D)Mecanismos de proteÃÃo - Apresenta os mecanismos enzimÃticos e nÃo enzimÃticos de proteÃÃo.
Artigo ...

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  • Category: Software
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  • Downloads: 278
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Semeando Educação: Estação Experimental e Ecológica de Itirapina-SP

Software desenvolvido a partir de um curso de campo no cerrado (Itarapina-SP). O software apresenta ao usuÃrio o cerrado, a estaÃÃo de Itirapina, assim como algumas das espÃcies presentes na parte aberta ao pÃblico da estaÃÃo.

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  • Category: Handout or Class Script
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  • Downloads: 1.929
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Nutrição e Esporte: Uma abordagem bioquímica

Guia de Disciplina tratando de tÃpicos relacionados ao tema, como: DÃficit e consumo mÃximo de oxigÃnio, Limiar de lactato, AdaptaÃÃes metabÃlicas ao exercÃcio, Estresse oxidativo e defesa antioxidante, Suplementos alimentares e hidrataÃÃo.

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  • Category: Image
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  • Downloads: 469
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Green-backed, Striated or Little Heron ( Butorides striata (triatus) )

Physical appearance: 36 cm. The legs are short and yellow. The body is predominantly grey, darker in the back. The top of the head is black. The immature is striated and brownish. Distribution: American Continent, Africa, Asia, Australia and islands in the Pacific. Habitat: Rivers, lakes and mangroves of different sizes. Diet: Aquatic insects, mollusks, amphibians, reptiles and fish. Reproduction: The nest is a platform on the top of tall trees. Lays three eggs. Natural history: Solitary and migratory. There are saw-like structures inside the beak to help holding slippery food. May be eaten by carnivorous fish such as the trahiras (Hoplias sp.) when walking on flooded land....

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  • Category: Image
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  • Downloads: 482
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Little Nightjar ( Caprimulgus parvulus )

Length: 20cm Identification: nightjars are always very difficult to identify as they are nocturnal birds, rarely seen during the day due to their camouflage. On the other hand there are few species inhabitting urban areas and among these the little nightjar is usually the smallest and with the lightest color pattern. Distribution: it is distributed through all the South American countries east to the Andes. Habitat: occurs in a wide range of ecosystems, but is specially common in forest edges surrounded by crops and wetlands. This nightjar spends the whole day quiet and very well camouflaged on the ground and thus is rarely seen at daylight. It only flies during the day ...

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  • Category: Image
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  • Downloads: 485
  • Visits: 19.465

Bananaquit ( Coereba flaveola )

Physical appearance: 11 cm. The upper parts are dark and the inferior parts yellow. There is a white bar in the supercilium. The females are smaller than the males. The immature individuals have grey belly and do not have the bar above the eye. Distribution: From Mexico to Chile. Habitat: Inhabits various environments provided there is plenty of trees and flowers. Diet: Feeds mainly on nectar. Also eats insects. Visits hummingbird feeders. Reproduction: Builds two kinds of nest. A breeding one that is compact with thick walls and a resting nest made of leaves, grass and spider webs. Lays two or three white eggs. Only the female incubates. The male helps feeding the brood with i...

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  • Category: Image
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  • Downloads: 519
  • Visits: 27.352

Ruddy Ground Dove ( Columbina talpacoti )

18,5 cm. The body is brown, darker in the upper parts, wings and tail. The tip of the wings are cinnamon. The maleâs head is light grey. The immature has buffy spots in the wings. Distribution: Throughout Brazil. From Mexico to Bolivia, Paraguay and Argentina. Habitat: Lives in any open landscape. Adapts to life in big cities. Diet: Feeds on grains and fruits. Swallows the whole seeds, thus it may be poisoned by seeds with pesticides. Searchs for food on the ground. Reproduction: Breeds throughout the year, and may have three or four broods. When mating the male raises one of the wings. They caress each other in the head and give food as gifts. It is a monogamous species. The...

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  • Category: Image
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  • Downloads: 542
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Black Vulture ( Coragyps atratus )

62 cm in length, 143 cm of wingspan. The feathers are absent in the head and neck. The body is black, with white spots near the tip of the wings (seen only when flying). Distribution: From central U.S.A to central Argentina. Habitat: Virtually in any kind of landscape, preferably in open areas. Absent in large areas of dense vegetation. Diet: Mainly carrion. Does not hunt, but kills injured or young animals, such as turtle eggs and hatchlings, even newly born big mammals like calves. May eat fruits. The excellent eyesight helps finding carrion at long distances. Reproduction: The courtship consists of movements of the male jumping on the ground with the wings opened and then...

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