Population Growth
Climate Change
Nutrient Cycles
Biomes
Ecology
100
Number of individuals born per 1000 per year
What is the Crude Birth Rate?
100
This greenhouse gas is represented by this formula, CH4
What is methane?
100
The __________ cycle has no atmospheric component
What is phosphorus?
100
Biomes are defined by temperature and ____________
What is precipitation?
100
The Galapagos tortoises can only be found on the Galapagos islands, meaning they are ________ species.
What is endemic?
200
The global population crossed this number in November 2022.
What is 8 billion people?
200
______ is the molecular formula for ozone
What is O3?
200
foundation of all life and required to form complex molecules like proteins and DNA
what is carbon?
200
Year round rain and uniformly warm temperatures
What is tropical rainforest?
200
Photosynthesis depends heavily on the shortest and longest wavelengths of visible light. These two wavelengths correspond to these colors.
What are red and blue/violet?
300
Average number of babies a woman has in a lifetime
What is the Total Fertility Rate?
300
Carbon is removed from the atmosphere by this biochemical process.
What is Photosynthesis?
300
The largest reservoir of nitrogen
What is the atmosphere?
300
biome of the Great Plains region
What is temperate grassland?
300
Example: permafrost melts which releases methane which increases the global average temperature which causes more permafrost to melt
What is a positive feedback loop?
400
Name of the calculation for the number of years it will take for a population to double.
What is the Rule of 70?
400
Layer of the atmosphere where temperature naturally increases due to the ozone layer
What is the stratosphere?
400
Where the majority of fresh water is found on Earth
what are glaciers & ice caps?
400
Characterized by lichens and low, scrubby vegetation without trees
What is tundra?
400
The depletion of a common, unowned resource leading to ecosystem degradation and collapse
What is the Tragedy of the Commons?
500
The stage at which birth rate remains high while death rate drops significantly
What is the Transitional stage?
500
The dissolution of CO2 into the ocean increases this quality of the water
What is acidity?
500
Process that releases phosphorus from rocks
What is weathering?
500
Dry summers, warm temperatures, high fire risk
What is chaparral?
500
This graphs shows the three idealized, ________________. 
What are survivorship curves?