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Levels of Organization
Factors and Methods
Primary Producers
Consumers
Food Chains and Webs
100
The lowest level of organization in Ecology.
What is an individual organism?
100
Any living part of the environment with which an organism might interact.
What are biotic factors?
100
Another word for primary producer.
What is an autotroph?
100
Another word for consumer.
What is a heterotroph?
100
This shows the relative amount of energy at each trophic level of a food web.
What is a pyramid of energy?
200
The largest level of organization in Ecology
What is the biosphere?
200
nonliving parts of the environment
What are abiotic factors?
200
The most common method used by primary producers.
What is photosynthesis?
200
These consumers kill and eat other animals.
What is a carnivore?
200
This pyramid shows the relative number of organisms at each trophic level in an ecosystem.
What is a pyramid of numbers?
300
A group of individuals from the same species in the same area.
What is a population?
300
The first step in asking ecological questions.
What is observation?
300
The process that removes CO2 from the atmosphere and adds in oxygen.
What is Photosynthesis?
300
These consumers obtain energy by eating plants.
What is an herbivore?
300
This the name of each step in a food chain or food web.
What is a trophic level?
400
A group of populations living together in the same area.
What is a community?
400
Used to test hypotheses.
What is experimentation?
400
The process where chemical energy is used to produce carbohydrates.
What is chemosynthesis?
400
These consumers eat carcasses of other animals.
What is a scavenger?
400
A network of feeding interactions.
What is a food web.
500
A group of ecosystems that share similar climates and typical organisms.
What is a biome?
500
Mathematical formulas based on data collected through observation and experimentation.
What is modeling?
500
This is in the deep sea where chemosynthetic bacteria make their energy.
What is volcanic vents or hot springs?
500
The earthworm is an example of this. They chew or grind down detritus particles.
What is a detritivore?
500
The primary producers of aquatic food chains.
What are phytoplankton?