10 Questions
What is the term for any living part of the environment with which an organism might interact?
Biotic factor
Which process involves the conversion of solar energy, carbon dioxide, and water into oxygen and energy-rich carbohydrates?
Photosynthesis
What are nonliving parts of the environment, such as sunlight, heat, and precipitation, called?
Abiotic factors
What term is used for organisms that capture energy from nonliving sources and convert it into forms living cells can use?
Primary producers
What are organisms that store energy in ways that make it available to other organisms also called?
Autotrophs
What is the term for organisms that must acquire energy from other organisms?
Consumers
What is a linear series of organisms in which energy is transferred from one organism to another called?
Food Chains
Which model shows the relative amount of energy or matter contained within each trophic level in a food chain or food web?
Pyramids of Energy
What is usually measured in grams of organic matter per unit area in pyramids of biomass?
Dry mass without water
In what cases might the normal pyramid of numbers be turned upside down?
When the organisms are much smaller in size and mass than the organisms they feed upon
Explore the concept of biotic factors in global systems ecology, which focuses on the interactions among living organisms and their environment. Learn about the influence of living things on each other and their significance in ecological systems.
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