BIOL 2260 Final Exam – Questions With Fully
Explained Solutions
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Terms in this set (202)
What do both ecologicl and chemical The movement of elements from one pool to another
processes result in?
Nutrient cycling occurs at the ______ Local level, biota
largely through the action of the ________
a) global level, abiota
b) global level, biota
c) local level, abiota
d) local level, biota
Nutrient cycling occurs at the global geological processes
level through ______, such as
atmospheric circulation, erosion and
weathering.
a) chemical processes
b) geological processes
c) ecological processes
d) ecological actions
Define nutrients elements required for development, maintenance
and reproduction in living organisms
define nutrient cycling the transformation, movemnt and reuse of nutrients
within and among ecosystems
Where did most of the calcium in your cows, who took it from rocks that were once formed
bones come from? in the sea
,The path atoms take from the biotic, abiotic, biogeochemical cycle
_____________ to the ____________ world and
back again is called a
_______________________.
a) abiotic, biotic, biochemical cycle
b) biotic, abiotic, geochemical cycle
c) abiotic, abiotic biogeo cycle
d) biotic, abiotic, biogeochemical
cycle
Name the three reasons why nutrient 1. Physiological importance
cycling is among the most important 2. relative scarcity
processes ecologist study. 3. influence on primary production
How many of the 50-70 elements 15
found in living things account for the
major portion of living biomass?
a) 14
b)15
c)16
d)17
What kind of nutrients do ecologist essential nutrients
generally focus on?
a) essential nutrients
b)micronutrients
c)macronutrients
Essential nutrients usually have a biotic
significant ___________ component in their
nutirent cycles because they are
actively taken up by organisms.
a) biotic
b) abiotic
What are essential nutrients micro and macronutrients
subdivided into?
define macronutrients essential elements required in large concentrations
withing a ecosystem
, define micronutrients essential elements that are required only in small
concentrations
What are the macronutrients for all life carbon, hydrogen, oxygen, phosphorus and nitrogen
on earth?
What are diatoms and what nutrient is Diatoms are photosynthesising algae that have
important to them? siliceous skeleton and are found in almost every
aqautive environment. Silica is important to them
An ecosytem cycling of nutrients is 1. from and through organisms
interlinked by several processes that
move atoms. What are they? 2. to and from atmosphere
3. to and from soil and/or rocks and water (leaching)
What are the 4 nutrient pools of 1. Organic pool : living organsims and their detrittus
terrestrial ecosystems?
2. Available nutrient pool: nutrients held to surface of
soils particles or in solution
3. Soils or rocks: nutrients held here that are
unavailable to living organsims
4. Air: nutrients in the atmosphere or in the ground
What is the main pathways of all roots of producers
nutrients from the soil?
a) photosysnthesis
b) roots of producers
c) roots of consumers
d) carbon cycle
How do CO2 and O2 enter plants? enters through the leaves
a) soil
b) air
c) leaves
d) roots
Explained Solutions
Save
Terms in this set (202)
What do both ecologicl and chemical The movement of elements from one pool to another
processes result in?
Nutrient cycling occurs at the ______ Local level, biota
largely through the action of the ________
a) global level, abiota
b) global level, biota
c) local level, abiota
d) local level, biota
Nutrient cycling occurs at the global geological processes
level through ______, such as
atmospheric circulation, erosion and
weathering.
a) chemical processes
b) geological processes
c) ecological processes
d) ecological actions
Define nutrients elements required for development, maintenance
and reproduction in living organisms
define nutrient cycling the transformation, movemnt and reuse of nutrients
within and among ecosystems
Where did most of the calcium in your cows, who took it from rocks that were once formed
bones come from? in the sea
,The path atoms take from the biotic, abiotic, biogeochemical cycle
_____________ to the ____________ world and
back again is called a
_______________________.
a) abiotic, biotic, biochemical cycle
b) biotic, abiotic, geochemical cycle
c) abiotic, abiotic biogeo cycle
d) biotic, abiotic, biogeochemical
cycle
Name the three reasons why nutrient 1. Physiological importance
cycling is among the most important 2. relative scarcity
processes ecologist study. 3. influence on primary production
How many of the 50-70 elements 15
found in living things account for the
major portion of living biomass?
a) 14
b)15
c)16
d)17
What kind of nutrients do ecologist essential nutrients
generally focus on?
a) essential nutrients
b)micronutrients
c)macronutrients
Essential nutrients usually have a biotic
significant ___________ component in their
nutirent cycles because they are
actively taken up by organisms.
a) biotic
b) abiotic
What are essential nutrients micro and macronutrients
subdivided into?
define macronutrients essential elements required in large concentrations
withing a ecosystem
, define micronutrients essential elements that are required only in small
concentrations
What are the macronutrients for all life carbon, hydrogen, oxygen, phosphorus and nitrogen
on earth?
What are diatoms and what nutrient is Diatoms are photosynthesising algae that have
important to them? siliceous skeleton and are found in almost every
aqautive environment. Silica is important to them
An ecosytem cycling of nutrients is 1. from and through organisms
interlinked by several processes that
move atoms. What are they? 2. to and from atmosphere
3. to and from soil and/or rocks and water (leaching)
What are the 4 nutrient pools of 1. Organic pool : living organsims and their detrittus
terrestrial ecosystems?
2. Available nutrient pool: nutrients held to surface of
soils particles or in solution
3. Soils or rocks: nutrients held here that are
unavailable to living organsims
4. Air: nutrients in the atmosphere or in the ground
What is the main pathways of all roots of producers
nutrients from the soil?
a) photosysnthesis
b) roots of producers
c) roots of consumers
d) carbon cycle
How do CO2 and O2 enter plants? enters through the leaves
a) soil
b) air
c) leaves
d) roots
