Unit 1
The three types of Symbiosis relationships
What is mutualism, parasitism, & commensalism (CED pg. 44)
Types of survivorship curves
What is type 1, type 2, & type 3, curves (CED pg. 75)
Three types of boundaries
What is divergent, transform, & convergent boundaries (CED pg. 88)
Releases air pollutants including carbon dioxide, sulfur dioxide, toxic metals, & particulates
What is coal combustion (CED pg. 148)
Carbon dioxide, methane, water vapor, nitrous oxide, and chlorofluorocarbons
What is principal greenhouse gases (CED pg. 192)
Examples of freshwater biomes
What is rivers, ponds, and lakes (CED pg. 46)
Species that tend to be larger, have fewer offsprings, extended youth and parental care, & have longer lifespans
What is k-selected species (CED pg. 73)
Formed when parent material is weathered, transported, and deposited
What is soil (CED pg. 89)
Naturally appears in the atmosphere from sources such as respiration, decomposition, and volcanic eruptions
What is carbon dioxide (CED pg. 152)
Affects marine animals be loss of habitat and metabolic and reproductive changes
What is ocean warming (CED pg. 196)
Carbon cycles between what and what in living things
What is photosynthesis & cellular respiration (CED pg. 47)
Major ecological effect of population overshoot
What is dieback (CED pg. 76)
Layers of the atmosphere
What is troposphere, stratosphere, mesosphere, thermosphere, & exosphere (CED pg. 91)
Traps pollution close to the ground, especially smog and particulates
What is thermal inversion (CED pg. 151)
The decrease in pH of the oceans due to an increase of carbon dioxide concentrations in the atmosphere
What is ocean acidification (CED pg. 197)
The atmosphere is a major reservoir of
What is nitrogen (CED pg. 48)
Density-independent factors
What is storms, fires, heat waves, & droughts (CED pg. 80)
Contributes to the land productivity and fertility of soils
What is water retention (CED pg. 90)
Common natural source of this includes radon, mold, and dust
What is indoor air pollutants (CED pg. 153)
invasive species are often
What is generalists and r-selected species (CED pg. 198)
A forest ecosystem has 8,000 calories of energy in the producers. According to the 10% rule, secondary consumers would receive
What is 80 calories (CED pg. 53)
The total fertility rate in a country was 4.5 children per woman in 2000. By 2025, the total fertility rate decreased to 2.7 children per woman. The percentage of decrease is
What is 40% (CED pg. 79)
A desert region received 12 inches of rainfall in 2020. In 2025, the region received 18 inches of rainfall due to changing climate patterns. The percent of increase is
What is 50% (CED pg. 95)
A city released 250 tons of air pollutants in 2015. After new environmental laws were introduced, the amount of air pollutants decreased to 175 tons in 2025. The percent of decrease is
What is 30% (CED pg. 155)
A coastal city had an average temperature of 68°F in 1990. In 2025, the average temperature increased to 77°F because of climate change. The percent of increase is
What is 13.2% (CED pg. 194)