ESS Exam Prep part 1 - full syllabus ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
, Mass extinction Loss of >75% of species in short geological time. Examples: Cretaceous-Tertiary,
Permian extinction, End Triassic
sink Location where net accumulation of an element occurs. Examples: growing forest,
deep ocean, peat bog.
nitrification Bacterial conversion of ammonia to nitrates. Examples: soil bacteria oxidizing
NH3, aquaculture water treatment, sewage processing.
bioaccumulation The gradual build-up of substances in an organism's tissues over time.
insolation The amount of solar radiation reaching Earth's surface.
heterotroph An organism that cannot produce its own food and must consume other
organisms.
CORRECT ANSWERS
, Mass extinction Loss of >75% of species in short geological time. Examples: Cretaceous-Tertiary,
Permian extinction, End Triassic
sink Location where net accumulation of an element occurs. Examples: growing forest,
deep ocean, peat bog.
nitrification Bacterial conversion of ammonia to nitrates. Examples: soil bacteria oxidizing
NH3, aquaculture water treatment, sewage processing.
bioaccumulation The gradual build-up of substances in an organism's tissues over time.
insolation The amount of solar radiation reaching Earth's surface.
heterotroph An organism that cannot produce its own food and must consume other
organisms.
