Earth Systems & Resources
Ecosystems
Biodiversity
Populations
100
Volcanoes are formed at these plate boundaries
Convergent, Divergent
100
Name the symbiotic relationship:
Intestinal bacteria inhabit the gut of humans
Mutualism
100
This factor of biodiversity is the number of varied species that occupy an ecosystem
Species Richness
100
In this species type, parental care is nearly non-existent for the multitude of offspring
r-selected
200
The source of energy for the rising hot air at the equator
Solar Radiation
200
Where is the majority of freshwater found on Earth?
Frozen - Ice caps & Glaciers
200
Name that ecosystem service:
Air purification
Regulating
200
The graph represents a population in this stage of demographic transition
Stage 3
300
This soil sample is most likely to become waterlogged
Sample D
300
This biome is characterized by long dry seasons and is dominated by grasses, shrubs, and grazing animals
Savannah
300
This theory suggest that larger, closer to mainland landmasses will have greater species richness and evenness
Theory of Island Biogeography
300
An increase in female education and healthcare typically leads to a decline in this population statistic
Total Fertility Rate
400
Increased fishing activity off the South American coast is typical of this climate pattern
La Nina
400
Nitrification occurs in which of the steps shown in the nitrogen cycle?
Step 3
400
This type of succession often follows disturbances such as forest fires.
Secondary Succession
400
This formula is used to determine the doubling time of a population
70/r
500
The ozone layer is located in this layer of the atmosphere
The Stratosphere
500
In an ecosystem producers convert solar energy into 15,000 kcal. How much is available to secondary consumers?
150 kcal
500
The act that protects endangered and threatened species and their ecosystems
Endangered Species Act (of 1973)
500
This stage of demographic transition sees a drop in death rates, and a sharp increase in total population
Stage 2 (Transitional)