Factors affecting populations
Community interactions
Energy flow in an ecosystem
Respiration and Photosynthesis
Nitrogen Cycle
Carbon Cycle
Phosphorus Cycle
Vocabulary
Atmosphere and Global Warming
200
Living factors that affect populations
What are biotic factors
200
+/+ relationship
What is mutualism
200
This bottom trophic level of the pyramid of production is occupied by...
What are producers
200
The goal of respiration
What is ATP
200
Bacteria converting N2 gas into ammonia so that plants can use it.
What is nitrogen fixation
200
Organisms responsible for removing carbon from the atmosphere
What are producers or photoautotrophs
200
The phosphorus cycle is the opposite of a global cycle so therefore it is....
What is local
200
These limiting factors are dependent on the size of the population in an area.
What are density dependent factors
200
This layer of the atmosphere contains 75% of the mass of the atmosphere.
What is the troposphere
400
Non-living factors that affect populations
What are abiotic factors
400
+/0 relationship where one benefits and the other is neither hurt nor helped. 
What is commensalism
400
This level of the trophic structure relies on energy from the primary consumer level and the producer level.
What is the secondary consumer level.
400
The organelle responsible for photosynthesis
What is the chloroplast
400
Bacteria converting nitrates and nitrites into N2 gas which is released back into the atmosphere.
What is denitrification
400
Organisms responsible for adding carbon dioxide to the atmosphere
What is ALL ORGANISMS
400
Phosphorus does not enter the _________ which is why it is not considered a global cycle.
What is the atmosphere
400
This process is used to combine organic molecules. In this reaction an OH- and an H+ are removed to combine the molecules.
What is dehydration synthesis
400
This layer of the atmosphere has very little gas, but is actually the hottest layer
What is the thermosphere
600
This image is representative of which type of population growth? 
What is logistic growth
600
This interaction would be represented by a +/- where the population benefitting uses the host to survive.
What is parasitism
600
If there is 20,000,000kg of biomass at the producer level, how much would be available for secondary consumers?
What is 200,000kg
600
The reactants of respiration
What are glucose and oxygen
600
Plants are able to use different forms of nitrogen to create amino acids and eventually proteins and other organic molecules.
What is assimilation
600
This reservoir for carbon is millions of years old has been exploited by humans for the use of energy production. Made up of ancient organisms.
What are fossil fuels
600
Weathering and __________ of sedimentary rocks is essential for getting phosphorus into the biosphere.
What is erosion
600
This occurs when a change in one level of the trophic structure affects all other levels
What is trophic cascade
600
This gas is responsible for protecting the Earth from harmful UV radiation
What is Ozone
800
Carrying capacity is determined by these factors
What are limiting factors
800
-/-
What is competition
800
These organisms chemically break down dead and decaying material so that producers can use these nutrients.
What are decomposers.
800
The products photosynthesis
What are oxygen and glucose
800
These organisms are found in almost all of the steps of the nitrogen cycle.
What are bacteria
800
When carbon dioxide is diffuses into water it becomes this.... (hint: respiration/photosynthesis lab)
What is carbonic acid
800
Phosphorus is essential for creating this type of lipid which makes is the main component of cell membranes.
What are phospholipids
800
A group of species interacting with other species in a given area. 
What is a community
800
These three gases are the main greenhouse gases found in the atmosphere
What are Carbon Dioxide, Water Vapor and Methane
1000
The following graph represents this growth pattern often seen in nature in a predator prey relationship. 
What is a boom and bust pattern
1000
If two niches overlap this interaction is likely to occur....
What is competition
1000
The quaternary consumers in an ecosystem have 5,000kg of biomass available to them. This means that the producers must have created this amount of biomass.
What is 50,000,000kg
1000
This is the location of glycolysis in eukaryotic cells.
What is the cytoplasm
1000
The reason why we as consumers cannot use the nitrogen found in the atmosphere
What is the triple bond between the two nitrogen atoms.
1000
This type of rock is composed of calcium carbonate which comes from shell fragments of dead organisms.
What is limestone
1000
Phosphorus can be found in this type of molecule. DNA, RNA and ATP are examples.
What are nucleic acids
1000
Although small in number these species have a profound affect on the ecosystem they are found in
What is a keystone species
1000
The melting of ice and glaciers creates this type of feedback loop when it comes to the heating of the Earth.
What is a positive feedback loop