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Hongos

Biologia T10 Hongos

TermDefinition
hongos unicel. o pluricel. eucariotas pared celular de quitina Vive en sitios dispares
saprofitismo Se alimentan de restos de seres vivos
Parasitismo Se alimentan DIRECTAMENTE de otros seres vivos a los que perjudican pero no matan.
simbiosis Es una relacion estable entre dos organismos enlas que ambos se benefician
hongos unicel. Son capaces de vivir en ambientes distintos Más comunes: levaduras que realizan un proceso muy peculiar llamado fermentacion
fermentacion Consiste en transformar azucares para obtener energia . Durante el proceso libera gases y otros residuos. el ser humano lo usa para su propio beneficio (pan , cerveza, vino...)
hongos pluricel. Estan formados por hifas. Un conjunto de hifas se llama micelio. A partir delmicelio se desarrollan hacia el exterior unas estructuras reproductoras llamadas esporangios, en los que se forman las esporas.
Esporas Son células reproductoras capaces de desarrollar un nuevo organismo sin necesidad de fusionarse con otra célula
Mohos Estan formados por un micelio muy ramificado. Se alimenta de alimentos en mal estado. (mal conservados o van permaneciendo mucho tiempo a temperatura ambiente)
Setas estructuras reproductoras que producen hongos pluricel. Muchas son comestibles Se forman a partir de grandes micelios Necesitan mucha humedad En España abundan en otoño.
Partes de una seta sombrero (parte superior) laminas (donde se producen las esporas) anillo (en algunas setas) Pie (actua de soporte) Vaina(a veces) Bulbo(comunica la E.Reproductora con el micelio) Micelio
Formas de una seta coliflor o coral ramificado globular o de pera cornisa copa
Created by: angelabecerral
 

 



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