Escuela Gaspar Cabrales

Valparaso

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CUESTIONARIO N 1 II SEMESTRECIENCIAS NATURALESNOMBRE: __________________________________________________________________________________

CURSO : 6 B

FECHA: ______________________ PUNTAJE: ___ / ___ pts.OBJETIVO I: Responder preguntas alusivas al tema de la Energa en la Naturaleza, vistos en clases.I. Responde las siguientes preguntas.a.) De dnde obtienes la energa necesaria para vivir, crecer y desarrollarte?

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b.) Explique el proceso de Fotosntesis.

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c.) Explique el proceso de Quimiosntesis.

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d.) Nombre a 3 auttrofos y 3 hetertrofos.

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e.) Segn el tipo de alimento que consumen los hetertrofos se clasifican en:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

f.) Qu son los niveles trficos?

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g.) Quines se ubican en la base de la pirmide? Por qu?

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h.) Qu nos muestran las cadenas alimentarias?

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Buena Suerte

____________________________________________________________________________________________PROFESORA Cristel G. Robles R.

6 B 2011