Chapter 2.1 and 2.2
What is the difference between biotic and abiotic factors?
Biotic = living
Abiotic = nonliving
The 5 types of biogeochemical cycles includes ______.
Water
Carbon
Nitrogen
Sulfer
Phosphorus
Changes in community along an environmental gradient due to factors such as changes in altitude is also called _________.
Zonation
The three types of biodiversity includes: ____________.
Species
Genetic
Habitat
What is the biggest threat to biodiversity?
Humans
The role that a species play in its ecosystem is also called its ____________.
Ecological Niche
When an element is "recaptured" by organisms and stored inside their body, it is commonly called _________.
Fixing (ie carbon fixing)
The type of succession that typically occurs after a wildfire destroys an area is __________.
Secondary succession.
Considering the relative proportion of individuals of each species is called __________.
Species Evenness
Habitat loss includes three aspects: ________.
Habitat Destruction
Habitat Fragmentation
Habitat Degradation
Only about 5-20% of the energy is transferred to the next trophic level because ___________.
Energy transfer is inefficient
Not everything is eaten
Digestion is inefficient
Heat is lost in respiration
Some energy assimilated is used in reproduction and other life processes
Two factors that influences Earth's climate includes: ___________.
Earth's Tilt
Earth's Orbit
Latitude
Altitude
Ocean current
Wind
The final stage of succession, the maximum possible development that a community can reach under prevailing conditions, is also called ______.
Two methods humans can influence the genetic diversity includes: _____________.
Artificial Selection
Genetic Engineering
True or False: Most diseases can jump from one species to another.
False
Net Primary Productivity (NPP) is determined by __________
GPP (Gross Primary Productivity) - R (Respiration)
A biome similar to a forest would have a P/E ratio that is ______________.
Greater than 1.0
Two factors that influences zonation includes: ______.
Temperature
Precipitation
Solar insolation - exposure to sun’s rays
Soil type
Species interaction
Explain how high biodiversity relates to complexity of a food web and its resilience.
High biodiversity = more complex the food web = more resilience should a species disappear.
Humans tracking, hunting, and killing wildlife illegally is also called _________.
Poaching
Predator-Prey relationship
The three types of atmospheric circulation includes: ________.
Ferrel Cell
Polar Cell
We use a ____________ to record and demonstrate zonation in an area.
Kite diagram
What is one disadvantage of habitat diversity?
Diversity could be a result of fragmentation
Could also be a result of degradation of habitat
Managing grazing can be difficult as plant species have different requirements and tolerance to grazing
Some stable and healthy communities have few plant species - are the exception to the rule.
The level CR in the IUNC red list indicates that ___________.
The species is at extremely high risk of extinction.