Chapter 5.2 vocabulary and questions. Energy Flow in Ecosystems
Instructions: Define all vocabulary words and answer all questions.
For Honors Students: Make an outline of the chapter section but make sure it contains the following vocabulary and answers the following questions.
40 items, 2.5 points each.
Assigned Thursdayday, November 15, 2007. Due Monday, November 19th.
Vocabulary:
Carbon cycle
Carbonates
Carbon sinks
Fossil fuels
Nitrogen fixing bacteria
Nitrogen cycle
decomposers
atmospheric
Nodules
legumes
phosphorus cycle
algal bloom
Questions:
Carbon cycle
What does cycle mean to you?
What nutrients are made up of carbon?
What role do plants lay in the carbon cycle?
What is limestone made of?
What takes carbon out of the atmosphere?
How do plants use carbon dioxide?
What role do humans play in the carbon cycle?
Describe the long term carbon cycle.
How much has the concentration of carbon dioxide increased in the last 150 years?
How much is this expected to raise the temperature of earth?
Nitrogen cycle
Why do we need nitrogen?
How is nitrogen fixed?
Why are nodules important?
Where do bacteria get nitrogen?
Where do plants get nitrogen?
Where do animals get nitrogen?
How does nitrogen return to the air?
What are some waste products that contain nitrogen?
What is the chemical formula for nitrogen in the air?
What is the chemical formula for nitrogen after bacteria transform it?
Phosphorus cycle
How do we use phosphorus?
How do plats get phosphorus?
How do animals get phosphorus?
Describe the phosphate cycle.
What is apatite in regard to minerals?
Which of the three cycles are manipulated with fertilizers?
How do algal blooms threaten an environment?
How do humans contribute to acid rain?
Could acid rain occur naturally?