Unit 1
Biogeochemical Cycles
Unit 2
Unit 3
Mixed Bag
100
Examples include: taiga, temperate rainforests, temperate seasonal forests, tropical rainforests, shrubland, and tundra.
What is a terrestrial biome?
100
The major reservoir of this cycle is the ocean, with ice caps and groundwater acting as much smaller reservoirs.
What is the hydrologic (water) cycle?
100
The number of different species found in an ecosystem.
What is species richness?
100
Species with a smaller range of tolerance, or narrow ecological niche, making them more prone to extinction.
What is a specialist species?
100
The time it takes (in years) for a population to double is equal to 70 divided by the growth rate.
What is the rule of 70?
200
The factors that impact the global distribution of non-mineral marine natural resources (such as different types of fish). (Give at least 2)
What are salinity, depth, turbidity, nutrient availability, and temperature?
200
The movement of an element via photosynthesis, cellular respiration, decomposition, and other processes.
What is the carbon cycle?
200
The study of ecological relationships and distribution of organisms on islands, and of these organisms' community structures.
What is island biogeography?
200
Species with few offspring, heavy parental care, long live span, slow to sexual maturity, and high competition for resources.
What is a k-selected species?
200
The major ecological effect of population overshoot.
What is dieback?
300
The rate at which solar energy is converted into organic compounds via photosynthesis over a unit of time.
What is primary productivity?
300
The processes in which atmospheric nitrogen is converted into a form of nitrogen that is available for plant use.
What is nitrogen fixation?
300
The range of conditions that an organism can endure before injury or death results.
What is ecological tolerance?
300
A graph that shows high mortality of a species early in life, few making it to midlife, and fewer making it to adulthood.
What is a type III survivorship curve?
300
Services include: pollination, climate regulation, decomposition, water purification.
What are regulating services?
400
The rule that explains how much matter and energy will transfer from one trophic level to the next.
What is the 10% rule?
400
This human activity is the largest contributor of carbon to the atmosphere.
What is combustion of fossil fuels?
400
Wildlife engages in this behavior for a variety of reasons, including natural disruptions to ecosystems.
What is migration?
400
This demographic transition stage is defined by a population pyramid that looks like the one below.
What is demographic transition stage 3?
400
The stages of primary succession.
What are bare rock, lichens, pioneer species, grasses, shrubs, trees, forest?
500
When one species is added or removed from a specific food web and the rest of the web is affected.
What is a tropic cascade?
500
With no atmospheric component, this element only travels from water to land and can be a limiting factor in biological systems.
What is phosphorus?
500
A plant or animal that, by its presence, abundance, scarcity, or chemical compositions, demonstrates that some distinctive aspect of the character or quality of an ecosystem is present.
What is an indicator species?
500
The country of Sudan has an estimated annual growth rate of 2 percent and a ____ year doubling time.
What is 35?
500
Use the information to determine the crude birth rate.
The town of Freemont has a population of 2,000. In 2019, the town had 50 deaths, 20 immigrants, and 30 emigrants. The town’s population growth rate is 4.5 percent.
What is 75?