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Ecology Blank

QuestionAnswer
Describe the sizes of the different soil particles.
Why does soil form different layers when mixed with water?
How do you find soil type using the height of each layer?
What do you call an even mixture of sand, silt, and clay?
Describe a few features of sandy soil.
Describe a few features of silty soil.
Describe a few features of clay soil.
List a few roles of Nitrogen (N) in soil.
List a few roles of Potassium (K) in soil.
List a few roles of Phosphorus (P) in the soil.
Describe the pH scale.
Describe how soil pH affects plants.
Explain how sand, silt, and clay are usually distributed on a hillside.
What soil types did we find in a few areas around NCS?
Name a few plants that prefer dry sandy soil.
Name a few plants that prefer wet silty or clay soil.
Define population density.
Why is the population density of deer in Maine lower than other parts of the US?
Define birthrate.
Describe 2 animals that have high birth rates.
Describe 2 animals that have low birth rates.
Describe exponential growth.
What shape does a graph of exponential growth have?
Under what conditions do animals grow exponentially?
If a population of 8 rabbits doubles every year, list the number of rabbits for the next 7 years.
List several common limiting factors for animals in the wild.
Name 2 limiting factors that have an effect mostly when the population is very high.
Name 2 limiting factors that have an effect even when the population is very low.
Describe logistic growth.
Why do most animal populations show logistic growth?
What determines the carrying capacity for small birds like chickadees in the woods around. NCS?
What is causing so many frog species to go extinct in the last 50 years?
How are scientists trying to prevent these frog extinctions?
Describe 3 symptoms of Lyme disease.
Describe how Lyme disease is transmitted.
How is Lyme disease treated?
Describe 3 important factos that affect increase Lyme disease rates in an area.
Describe 3 ways to limit Lyme disease in an area.
Created by: buchwalder
 

 



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