BIOL227 Exam Questions and Answers
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biological diversity, the variety and variability of life. Underpins
ecosystem levels. - ✔✔Biodiversity
Benefits obtained from regulation of ecosystem processes. E.g climate
regulation, water purification and waste management - ✔✔Ecosystem
Services
Different environmental boundaries that if crossed increases the risk that
the earth systems becomes less hospitable leading to deterioration to
human well being - ✔✔Planetary Boundaries
(epoch) current geological age, period during which human activity has
been the dominant influence on climate and the environment. -
✔✔Anthropocene
1
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, Global conservation status of biological species. - ✔✔IUCN Red list
Core boundary - loss of biodiversity, which could alone drive earth into a
new state - ✔✔Biosphere Integrity
Large abrupt changes in the structure and function of a system. Regime is a
characteristic behavior of a system maintained by feed-backs - ✔✔Regime
shift
Gaps in our taxonomic knowledge, shortage of taxonomists. -
✔✔Taxonomic Impediment
Land plants. "makes embryos". Young sporophyte (2n), derives nutrition
from the female gametophyte tissue. - ✔✔Embryophyte
In spore walls, composition unknown, has many polymers. Is chemically
stable and resistant to decay. Preserved in soils and sediment. -
✔✔Sporopollenin
Thin layer of waxy polymers on the epidermis of leaves - ✔✔Cuticle
Symbiosis between fungi and plants, trading carbon for water and
nutrients - ✔✔Mycorrhizas
2
100% Pass Guarantee Katelyn Whitman, All Rights
100% Pass
biological diversity, the variety and variability of life. Underpins
ecosystem levels. - ✔✔Biodiversity
Benefits obtained from regulation of ecosystem processes. E.g climate
regulation, water purification and waste management - ✔✔Ecosystem
Services
Different environmental boundaries that if crossed increases the risk that
the earth systems becomes less hospitable leading to deterioration to
human well being - ✔✔Planetary Boundaries
(epoch) current geological age, period during which human activity has
been the dominant influence on climate and the environment. -
✔✔Anthropocene
1
100% Pass Guarantee Katelyn Whitman, All Rights
, Global conservation status of biological species. - ✔✔IUCN Red list
Core boundary - loss of biodiversity, which could alone drive earth into a
new state - ✔✔Biosphere Integrity
Large abrupt changes in the structure and function of a system. Regime is a
characteristic behavior of a system maintained by feed-backs - ✔✔Regime
shift
Gaps in our taxonomic knowledge, shortage of taxonomists. -
✔✔Taxonomic Impediment
Land plants. "makes embryos". Young sporophyte (2n), derives nutrition
from the female gametophyte tissue. - ✔✔Embryophyte
In spore walls, composition unknown, has many polymers. Is chemically
stable and resistant to decay. Preserved in soils and sediment. -
✔✔Sporopollenin
Thin layer of waxy polymers on the epidermis of leaves - ✔✔Cuticle
Symbiosis between fungi and plants, trading carbon for water and
nutrients - ✔✔Mycorrhizas
2
100% Pass Guarantee Katelyn Whitman, All Rights
