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  • Category: Handout or Class Script
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  • Downloads: 119
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A origem do ser humano e a evolução cultural

Guia do professor desenvolvido pelo projeto EMBRIAO sobre o tema: A origem do ser humano e a evolução cultural. Este guia aborda os seguintes produtos: (Áudio): - Biografias: Júlio Verne, o pai da ficção científica - Ciência em Destaque: Evolução cultural do ser humano (Vídeos): - Videoclipe: Interação cérebro-máquina (Softwares): - Evolução cultural do ser humano - Qual é a palavra?A origem do ser humano e a evolução cultural (Experimentos): - A redução de cobertura vegetal registrada em fotografias de satélite - aula 1 - A redução de cobertura vegetal registrada em fotografias de satélite - aula 2 - A redução de cobertura vegetal registrada em fotografias de satélite - aula 3

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  • Category: Experiment
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  • Downloads: 428
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  • Category: Experiment
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  • Downloads: 312
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Investigação de micro-organismos por meio de cultivo e observação de fungos e bactérias – Aula 2

Nesta segunda aula, serão coletados micro-organismos presentes tanto no meio ambiente quanto em diferentes materiais que serão inoculados nos meios de cultivo preparados na aula anterior e também em beterraba e cenoura cozidas.

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  • Category: Experiment
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  • Downloads: 267
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  • Category: Image
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  • Downloads: 521
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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: 514
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Picazuro Pigeon ( Columba picazuro )

Physical appearance: 35,5 cm. The body is bluish gray, with an iridescent region on the sides of the neck. There is a large white region on the wings. Distribution: From Northeastern Brazil to Argentina. Habitat: Cerrado, caatinga, gallery forests, fields, crops and urban areas. Diet: Feeds on seeds and small fruits. Reproduction: The nest is made of loosely crossed sticks. The white eggs (1 or 2) are incubated by the couple. The hatchlings are fed on “pigeon’s milk”. Natural history: It is one of the largest species of pigeon in Brazil. After breeding it gathers in flocks for migration. It is so common in some places that may turn into a nuisance. Has been successfully conqu...

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  • Category: Image
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Masked Water Tyrant ( Fluvicola nengeta )

15 cm. The body is white with a band around the eye, the wing and the tail black. Distribution: From Northeastern Brazil to São Paulo. It is currently spreading its distribution southwards. Habitat: Lives in riverbanks, muddy places near lakes and ponds. Diet: Feeds mainly on arthropods, sometimes small fruits. Reproduction: The male exhibits himself standing on the body and opening the tail and the wings. The nest is spherical with a lateral entrance. It is built on small trees above the water. The white eggs are incubated by the female. Natural history: Runs on the aquatic plants, catching insects among them. Attacks other birds that enter its territory. Some people and eve...

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  • Category: Image
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  • Downloads: 477
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Cattle Tyrant ( Machetornis rixosa (ex rixosus ))

18,5 cm. The upper parts are greenish brown, the throat is white and the belly yellow. The tip of the tail is buffy. Male and female are similar. Distribution: From Venezuela to Argentina. Mideastern Brazil. Migrates seasonaly in southern Brazil. Habitat: Open fields, grasslands, grazing lands and parks in urban areas. Diet: Catches insects on the ground and sometimes in trees. Follows cattle to feed on insects displaced by its movement. Reproduction: Builds a nest made of branches about 4m from the ground. May use nests abandoned by the hornero (Furnarius rufus). The white eggs are incubated by the couple. Natural history: When on the ground runs for some meters then stops t...

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  • Category: Image
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Buff-necked Ibis ( Theristicus caudatus )

Unmistakably identifiable for being the only Brazilian member of the family to present the white color in its plumage. Belonging to the same family of the legendary Egyptian Ibis, this is certainly an amazing species. Unlike other members of the family it is not associated to water, living in open grasslands and crops where its large silhouette makes it impossible not to be noticed, especially when they gather in groups. It uses its large curved beak to catch invertebrates burried in the soil and may also prey on small vertebrates. Its song is very loud and acute, reminding that of the Seriema ( Cariama cristata ). Couples sing in duets bouncing their heads upwards as they sing. The ...

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  • Category: Image
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  • Downloads: 517
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Rufous-bellied Thrush ( Turdus rufiventris )

24cm. Identification: it is the only Brazilian thrush with reddish belly. It is the Brazilian Symbol Bird and this title has recently been given for its strong presence in the country’s popular culture, especially in poetry and music. Although it is distributed throughout Brazil (except from the Amazon region ) it is more common near the coastline as it prefers moist environments. This thrush lives in farms, forest edges and is especially common in urban parks, being one of the most typical birds in some of Southeastern Brazil largest cities. The very beautiful song is very variable, even at the individual level.The real song can only be heard in the spring, the breeding season when th...

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  • Category: Image
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  • Downloads: 541
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Eared Dove ( Zenaida auriculata )

25 cm. The body is brownish grey, with the upper parts darker . The tip of the tail is white. There are two horizontal black bands in the sides of the head and on the wings. The male is bluish on the top of the head. Distribution: South America. Habitat: Open fields, cerrado, caatinga, crops, parks, lawns, urban areas. It is benefitted by deforestation Diet: Mainly grains, but also small fruits. When breeding also consumes snails and millipedes. Reproduction: During courtship the male produces a low sound different from its usual one. The male exhibits its strength to the female and the couple caresses each other in the head. The nest is a platform made of sparse sticks built on t...

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  • Category: Experiment
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  • Downloads: 109
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Esterilização da água: o efeito da radiação ultravioleta (UV) no desenvolvimento de micro-organismos - Aula 1

Nesta aula, serão preparados meios de cultura para o desenvolvimento de bactérias e fungos e que depois ficarão submetidos a duas condições: exposição e não exposição à radiação ultra-violeta.

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  • Category: Experiment
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  • Downloads: 64
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Esterilização da água: o efeito da radiação ultravioleta (UV) no desenvolvimento de micro-organismos - Aula 2

Nesta aula, micro-organismos serão coletados e inoculados nos meios de cultura que foram preparados na aula anterior. Algumas das placas serão irradiadas com UV e outras não, para que o desenvolvimento das colônias dos micro-organismos nessas duas condições seja comparado pelos alunos.

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  • Category: Experiment
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  • Downloads: 65
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Esterilização da água: o efeito da radiação ultravioleta (UV) no desenvolvimento de micro-organismos - Aula 3

Nesta aula será avaliado o desenvolvimento de colônias de micro-organismos inoculados em meios de cultura submetidos a condições diferentes: irradiados com luz ultravioleta após a inoculação e não irradiados.

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  • Category: Experiment
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  • Downloads: 154
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Observação da diversidade em ambiente aquático – Aula 2

Atividade de preparação de um meio para cultura de protozoários e observação microscópica da microbiota presente na amostra de água coletada na aula anterior.

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Results 1 - 20 from 23 Found materials (New search)