
Ciclos biogeoquimicos
Authored by Claudia alfaro
Biology
1st - 10th Grade
Used 433+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los ciclos biogeoquimicos se caracterizan por:
la materia transita ciclicamente
ocurre en los ecosistemas
participan los factores bioticos y abioticos
todas las anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los descomponedores en los ciclos biogeoquimicos son importante porque:
hacen fotosintesis
aportan el 10% de materia a los productores
devuelven la materia inorgánica a los productores para reiniciar el ciclo
transforma la materia inorgánica en orgánica
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los productores se caracterizan por:
ser heterótrofos
transforman la materia orgánica en inorganica
son productos de la fotosintesis son glucosa y oxígeno
son el ultimo nivel trófico en una cadena alimenticia
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El agua salada se encuentra en la naturaleza en un:
2,5 %
70 %
80%
97,5 %
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El agua vuelve a la atmósfera por el proceso de:
condensación
evaporación
escorrentía
precipitación
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los procesos que aumentan el CO2 en la atmósfera es:
fotosíntesis
restos orgánicos en el suelo
combustión
combustibles fósiles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El ciclo del oxígeno se caracteriza por:
el oxígeno se almacena en minerales oxidados
el oxigeno se obtiene a través de la fotosintesis
los fitoplancton y cianobacterias ayudan a entregar el oxigeno al ambiente
todas las anteriores
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