Biomes
Give 3 examples of terrestrial biomes
taiga, desert, rainforest, deciduous forest and tundra, etc.
What is a biotic factor?
The power source of the hydrologic cycle.
What is the Sun?
The rate at which solar energy is converted into organic compounds via photosynthesis over a unit of time.
What is primary productivity?
What is a food web?
A model of an interlocking pattern of food chains that depicts the flow of energy and nutrients in two or more food chains.
Which aquatic biomes include organisms adapted to surviving in the widest range of salinity?
estuary
One species benefits while the other is neither benefited nor harmed.
What is commensalism?
The major reservoir of the nitrogen cycle.
What is the atmosphere?
The total rate of photosynthesis in a given area.
What is gross primary productivity?
Organisms occupying the same feeding position in a food web.
What is a trophic level?
The 4 zones of the ocean.
What are intertidal, photic, aphotic, and benthic?
Give an example of a parasitic relationship
tic on a dog
flea on a cat
intestinal worms
This biogeochemical cycle has no atmospheric component.
What is the phosphorus cycle?
The units for primary productivity.
What is energy/area/time?
How much energy is transferred up trophic levels?
10 % of energy is transferred up trophic levels
while the other 90% is lost to metabolism and heat
The factors that characterize terrestrial biomes.
What are annual temperature, precipitation, [and plant growth]?
What is true of a predator population when its prey population has decreased?
Prey population will follow with a population decrease as well
How does burning fossil fuels contribute to the overall change in atmospheric carbon?
Carbon that is sequestered underground for millions of years (as fossil fuels) is added back to the carbon cycling between the atmosphere and biosphere.
The rate of energy storage by photosynthesizers in a given area, after subtracting the energy lost to respiration.
What is net primary productivity?
GPP - R = NPP
where GPP= gross primary productivityNPP= net primary productivity
R= respiration
The laws that explain the loss of energy that occurs when energy moves from lower to higher trophic levels.
What are the laws of thermodynamics?
The characteristics that define aquatic biomes.
What are salinity, depth, and water flow?
When species use limiting resources in different ways, places, or times to reduce competition.
What is resource partitioning?
The process in which atmospheric nitrogen is converted into a form of nitrogen that is available for uptake by plants.
What is nitrogen fixation?
The 3 factors that impact net primary productivity.
What are water availability, temperature, and nutrient availability?
Primary producers in a river system store 40,000 kcal/m2/year of energy in their biomass. What is the amount of energy available to tertiary consumers?
40 kcal/m2/year