1. What does destruction refer?

7. What does degradation refer?
A) chronic human impacts resulting in the loss of biodiversity
B) damage removes all macroscopic life and commonly ruins the physical environment
C) an acute and obvious harmful impact upon an ecosystem
D) recover to its former state since contemporary ecological realities
E) to return a degraded ecosystem to its historic trajectory, not its historic condition
8. Which type of pyramid shows the amount of living tissue at each trophic level in 
an ecosystem?
A) a numbers pyramid
B) a biomass pyramid
C) a food pyramid
D) an energy pyramid
E) a nutrient pyramid
9
. Choose the correct determination for “ecological balance”
A) self-regulation and reproduction of the main components of the natural environment 
(atmospheric air, water resources, soil - vegetation cover and fauna
B) preservation and improvement of the natural environment
C) integrated use of natural resources
D) optimal conditions for the development and location of production
E) preservation of monuments of material culture
10. Sources of particulates are divided into those originating from a wide area, 
which is called__.
A) Point source pollution
B) Chemical contaminants
C) Physical contaminants
D) Non-point source pollution
E) Microbiological contaminants

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11. According to t
he DPSİR model choose the main driver for the circulation of 
substances in the biosphere?
A) Human activity
B) Energy transformation
C) The activity of plants
D) Animal activity
E) The effect of gravity
12. Which of the following carbon stores holds the most carbon?
A) Sediments and sedimentary rock
B) Atmosphere
C) Coal, oil and gas
D) Fossil fuels
E) Forests