...............obtain energy directly from sun 

سؤال 1
الدرجة 1.00

In ............. process people use the waste materials and make new products instead of going into a landfill.

سؤال 2
الدرجة 1.00

The .............  make consumers migrate to search For food

سؤال 3
الدرجة 1.00

.............. they are the scientists who work on restoration projects

سؤال 4
الدرجة 1.00

...........Is any animal that is hunted and eaten by another animal

سؤال 5
الدرجة 1.00

The .............  make consumers migrate to search For food

سؤال 6
الدرجة 1.00

Eagle is considered as a ...........

سؤال 7
الدرجة 1.00

........... it is the harms happen to air, water and soil due to human activities

سؤال 8
الدرجة 1.00

Restoration projects must include restoring of ...............

سؤال 9
الدرجة 1.00

Living organisms eat food to get the........... to survive

سؤال 10
الدرجة 1.00

...........It is a model that shows one linear set of feeding relationships and energy flow between living organisms. 

سؤال 11
الدرجة 1.00

...........they are a group of living organisms that can make their own food

سؤال 12
الدرجة 1.00

Decomposition process takes place on............

سؤال 13
الدرجة 1.00

............it is a model that shows many different feeding relationships among living organisms

سؤال 14
الدرجة 1.00

The presence of a large number of one type of organism .............

سؤال 15
الدرجة 1.00

The hawk and snake are   

سؤال 16
الدرجة 1.00

............................ are decomposing organisms.

سؤال 17
الدرجة 1.00

............eat these dead organisms and break them down into smaller pieces .

سؤال 18
الدرجة 1.00

Prairie it is suitable ecosystem for plant community ecologists to do their researches.

سؤال 19
الدرجة 1.00

............  means rebuilding habitats that are damaged. 

سؤال 20
الدرجة 1.00
الوقت المتبقي
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