All biomass get its energy from this
What is the sun
What category of organism is at the bottom of the food chain
What are producers
What are some human actions responsible for the decreasing amount of global biodiversity?
Overhunting/fishing and habitat destruction
What percent of energy from the sun is used during photosynthesis?
What is 1%
Resources that can naturally replenished over a human time scale
What are renewable resources
The element found in fertilizers that cause eutrophication
What is Phosphorus
what is the world population?
8 billion
The layer in the stratosphere that blocks UV radiation from reaching earth's surface.
What is Ozone?
The measurement of the amount of sun energy reflected by a surface
Albedo
The force responsible for the deflection of air masses in the Northern Hemisphere to the right.
What is the Coriolis force
The amount of a chemical that kills 50% of the animals in a test population
What is LD-50
Zone located on the ocean floor where there is no light
What is abyssal/benthic zone?
The layer of the atmosphere closest to earth
What is troposphere?
The doubling time of the population can be estimated by using annual growth rate divided by this
What is 70?
The shape of an age structure diagram for a developing nation
Pyramid
Most solid municipal waste generated by humans ends up in these places
What are landfills
The amount of energy provided by a source compared to the amount of energy available from it.
What is Energy Efficiency?
The process in which bacteria convert ammonia back into N2 gas
What is denitrification?
What is a Cone of Depression
The measurement of the number of different species found in a particular area
What is species richness
The layer of soil just below the organic layer, also called topsoil
What is the A horizon?
Eutrophication and pollution can increase this, the need for oxygen amongst an aquatic ecosystem
What is BOD (Biological Oxygen Demand)?
Countries that have declining death rates but high birth rates are said to be in this stage of demographic transition.
Stage 2
Name 4 of the 6 major atmospheric pollutants
What are NOx, SOx, Lead, CO, PM, Ozone
Name the 4 types of ecosystem services
Provisions, Regulating, Cultural, Supporting