Unit 1 Ecosystems
What type of symbiosis benefits both species? (Pg. 44)
Mutualism
What is the variety of life in an ecosystem called? (Pg. 62)
Biodiversity
What type of species produces many offspring with little parental care? (Pg. 64)
R-selected species
What type of energy source can naturally replenish itself? (Pg. 119)
Renewable energy
What process occurs when excess nutrients cause algae blooms in water? (Pg. 153-154)
Eutrophication
What biome contains permanently frozen soil called permafrost? (Pg. 37)
Tundra Biome
What theory explains species richness on islands? (Pg. 62)
Island biogeography
What graph shows the survival rate of a population overtime? (Pg. 64)
A survivorship curve
What energy source uses heat from Earth's interior? (Pg. 130)
Geothermal energy
What type of smog forms when sunlight reacts with pollutants from vehicles? (Unit 7 topic list)
Photochemical smog
What is a model showing interconnected food chains called? (Pg. 45)
A food web
What type of succession begins without soil? (Pg. 62)
Primary succession
What is the maximum population size an environment can support? (Pg. 64)
Carrying capacity
What renewable energy source uses moving water to generate electricity? (Pg. 129)
Hydroelectric power
What happens to an ocean's pH as more carbon dioxide dissolves into seawater? (Pg. 167-168 Unit 9 ocean acidification topic)
The pH decreases (ocean acidification increases)
If producers contain20,000 kcal of energy, how much energy is available to primary consumers using the 10% rule? (Pg. 44-45)
2,000 kcal
if an island originally had 120 species and loses 25%, how many remain?
90 species
Using the rule of 70, how long will it take a population growing at 2% annually double? (Pg. 72)
35 years
A solar panel produces 150 watts per hour for 6 hours. How many watts are produced total?
900 watts
Atmospheric CO2 increased from 390 ppm to 430 ppm. What was the increase?
40 ppm
What is the term for organisms reducing competition by using resources differently? (Pg. 44)
Resource portioning
What is the maximum range of conditions an organism can tolerate? (Pg. 62)
Ecological tolerance
What graph shows the age distribution of a population? (Pg. 69)
Age structure diagram
What alternative fuel source combines hydrogen and oxygen to produce electricity and water? (Pg. 130-131)
Hydrogen fuel cell
What international agreement reduced ozone-depleting substances like CFCs? (Pg. 26)
The Montreal protocol