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Ecology
Levels of Organization
Producers
Consumers
Energy Flow
100
The scientific study of interactions among organisms and between organisms and their physical environment.
What is ecology?
100
A group of individuals that belong to the same species and live in the same area.
What is a population?
100
Organisms that can produce their own food.
What are producers?
100
Organisms that rely on other organisms for energy and nutrients.
What are consumers?
100
A series of steps in which organisms transfer energy by eating or being eaten.
What is a food chain?
200
The physical components of an ecosystem.
What are abiotic factors?
200
All the organisms that live in a place, together with their physical environment.
What is an ecosystem?
200
Another name for a producer.
What is an autotroph?
200
Another name for consumers.
What is heterotroph?
200
Each step in a food chain or food web.
What is a trophic level?
300
The biological influences on organisms.
What are biotic factors?
300
Consists of all life on Earth and all parts of the Earth in which life exists.
What is the biosphere?
300
The name of aquatic producers.
What is phytoplankton?
300
Organisms that feed on the carcasses of dead animals.
What are scavengers?
300
A representation that shows the transfer of energy through a food chain or web.
What is a pyramid of energy?
400
Cycles of matter involving biological, geological, and chemical processes.
What is a biogeochemical cycle?
400
An assemblage of different populations that live together in a defined area.
What is a community?
400
The process of capturing light energy and using it to power chemical reactions that convert carbon dioxide and water into glucose and oxygen.
What is photosynthesis?
400
Organisms that feed on both plants and animals.
What are omnivores?
400
Representation that shows the relative number of individual organisms at each trophic level in an ecosystem.
What is a pyramid of numbers?
500
The nutrient whose supply limits productivity.
What is a limiting nutrient?
500
A group of ecosystems that share similar climates and typical organisms.
What is a biome?
500
Process of using chemical energy to produce carbohydrates without the presence of light.
What is chemosynthesis?
500
Organisms that chemically break down organic material.
What are decomposers?
500
Representation that illustrates the relative amount of living organic matter available at each trophic level in an ecosystem.
What is a pyramid of biomass?