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2/2/2020

What Does bioChemistry have to do with ecology?

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watersheds affect the ph of bodies of water   


The quality of the water that is available to the organisms in an ecosystem may affect nutrient availability, erosion, and cell health.
 

Chemistry in water



CHemistry in Air



Ecosystem Dynamics



​Populations of animals interact: wolves affect deer population, deer affect plant population deer also affect tick population.  Predatory birds such as owls affect rodent population and rodent population affects tick population.

​

Less deer/ less rodents means less Lyme Disease


Climate change also affects population interactions, a later start of winter can lead ticks to kill a moose, even without disease.
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Population:
 A group of organisms of the same species living and interacting in a particular area 

Ecology: the study of the interactions between organisms, and between organisms and their non-living environment. 

Community: interacting populations of different species in a defined habitat

Ecosystem: the living organisms in an area and the nonliving components of the environment with which they interact.

Distribution pattern: the way organisms are distributed in a space. Depends on resources and interactions with other members of the population.
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Growth Rate: the difference between the birth rate of a given population and the death rate of a given population, also known as the rate of natural increase.

Exponential Growth: the unrestricted growth of a population increasing at a constant growth rate.

Carrying Capacity: The maximum population size that a given environment or habitat can support given its food supply or other natural resources. 

Logistic Growth: A pattern of growth that starts off fast and then levels off as the population reaches the carrying capacity of the environment. ​
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​The 
Fibonacci sequence begins with the numbers 0 and 1. ...

​0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144

Fibonacci sequence first appears in the book Liber Abaci (1202) by Leonardo of Pisa, known as Fibonacci.

​Fibonacci considers the growth of an idealized (biologically unrealistic) rabbit population, assuming that:
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  1. a single newly born pair of rabbits (one male, one female) are put in a field;
  2. rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits;
  3. rabbits never die and a mating pair always produces one new pair (one male, one female) every month from the second month on.
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Algorithms



​A process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.


Population Growth Algorithm is a forecasting Algorithm that may be used for predicting the Population Growth

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Population Density: the number of organisms per given area. 

Density-Dependent Factor:  factor whose influence on population size and growth depends on the number and crowding of individuals in the population (for example, predation)
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  • Lead to carrying capacity

Density Independent Factor: chance, a factor that can influence a population size and growth regardless of the numbers and crowding within a population (weather)

Biotic Factors: refers to the living components of an environment

  • Food is an example

Abiotic Factors: refers to nonliving components of an environment

  • such as temperature and precipitation 
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