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Ecology for Test 1
Transcript of Ecology for Test 1
The study of how organisms interact with the environment (living/nonliving)
All ABOTIC factors are important features of an ecosystem that living organisms depend upon.
Biosphere, Biomes, Ecosystem, Community, Population,
What are Abiotic Factors?
Population of flowers
Here is a population of bees
What is a POPULATION?
All individuals of a particular species within a certain area
What is a community?
Day one Ecology
What is an Ecosystem?
HINT: Everything you see is part of the Ecosystem
1.Community + Abiotic Factors
Biodiversity - presence of a wide range of different species interacting with each other & environment
Organisms that can use energy to make organic compounds (food)
Ex. Green Plants convert solar energy to chemical energy via photosynthesis
3. Recycling of Materials between organisms & the environment (Water, Nitrogen, Oxygen & CO2)
4. Must have a source of ENERGY (SUN)
Food chain: shows how energy flows from one organism to the next
Groups of different plants and animals in a certain area (*NO ABIOTIC FACTORS*)
Food Webs: shows the many possible pathways energy can flow
ENERGY FLOW SHOWN
Biotic factors: All LIVING THINGS that have the 7 Characteristics of life.
Abiotic or Biotic?
What are the 7 things that make something alive?
What are some things that could Limit this community?
What is an Ecosystem?
What are Limiting Factors?
Limiting Factors: limits the types of plants & animals that can exist in an area
1. Temperature (latitude)
2. Amount of dissolved O2 in aquatic
3. Amount of Food Available
How will these factors affect the different populations in a community?
Carrying Capacity - Maximum # of organisms that can be supported by the environment
What are the arrows showing?
Why can this be an