Water and Carbon Cycle Nitrogen Cycle Phosphorus Cycle and environ. Eco- systems Taxonomy
Water’s polarity allows individual water molecules to be attracted to each other. What is this called?
A: Cohesion
What are the three largest carbon sinks on earth?
A. oceans, forests, fossil fuels
Double Jeopardy - Nitrogen, Phosphorous, and the Environment
What is accelerated eutrophication?
Identify one process involved in the rapid cycling of carbon
A. Answers will vary
Name the two most abundant greenhouse gasses
A. CO2 and H20
What is the name of the process when ammonium (NH4) is converted into nitrites (NO2)?
A. Nitrification
Denitrifying bacteria convert nitrates (NO3) into which nitrogen molecule?
A. N2 (atmospheric nitrogen)
Identify three different methods of nitrogen fixation
A. bacteria, lightning, deposition
Identify the two organisms that have a symbiotic relationship which results in increased soil nitrogen
A. Legumes & nitrogen fixing bacteria
What do denitrifying bacteria use as their final electron acceptor under anaerobic conditions?
A. Nitrates of course!
Phosphorous is found in only one major form in the environment - what is it?
A. Phosphate
List three types of molecules or substances in the human body that contain lots of phosphate
A. Teeth, bones, DNA, cell membranes
Deep cold lakes lacking in nutrients are given what name?
A. oligotrophic
Removal of trees along a waterway would primarily lead to what kind of pollution?
A. Sediment pollution
What is the name of the aquatic zone that receives sunlight closest to the shore?
A. littoral
Which two abiotic factors play the greatest role in determining the number of species in an area?
A. Temp and precipitation
What is the difference between an ecosystem and a community?
A. Ecosystem includes abiotic factors
Describe the habitat and range of the Canadian Goose (loon)
A.
Identify two different biotic factors that could affect a population
A. predation, competition, behaviour, …
Explain the niche of an evergreen tree.
A. Answers will vary
Identify the three domains
A. Archaea, Bacteria, Eukarya
List the taxonomic levels from biggest to smallest
A. DKPCOFGS
What is the binomial name for humans?
A. Homo sapiens
How are protists and bacteria different?
A. Protists have a nucleus
Identify the K, P, C, O, F, G, and S for Humans…
A.