an organism, especially a soil bacterium, fungus, or invertebrate that breaks down organic matter

a linear sequence in an ecosystem that shows how energy and nutrients are transferred when one organism eats another

a complex network showing the intersecting food chains within an ecosystem, illustrating how energy and nutrients are transferred between organisms through a series of feeding relationships

the struggle between organisms, or populations, for limited resources like food, water, shelter, or mates, which results in one or both organisms being harmed or negatively impacted

is an organism that obtains energy by feeding on other organisms or organic matter because it cannot produce its own food

a distinct geographic area where living organisms (biotic factors) interact with each other and their physical, non-living environment (abiotic factors) as a functioning system

a biogeochemical cycle describing the continuous movement of water through Earth's atmosphere, oceans, land, and living organisms

is an organism that creates its own food, typically through photosynthesis, using sunlight, water, and carbon dioxide to produce energy-rich organic compounds like carbohydrates

the process used by plants, algae, and some bacteria to convert light energy into chemical energy in the form of glucose (sugar), using carbon dioxide and water, and releasing oxygen as a byproduct

an organism that primarily consumes meat or animal flesh for its nutrition and energy

an animal that feeds on plants or plant-based materials as its primary source of energy and nutrients

materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain

an animal or person that eats food of both plant and animal origin.

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Ecosystems

Term	Definition
Decomposer	an organism, especially a soil bacterium, fungus, or invertebrate that breaks down organic matter
Food chain	a linear sequence in an ecosystem that shows how energy and nutrients are transferred when one organism eats another
Food web	a complex network showing the intersecting food chains within an ecosystem, illustrating how energy and nutrients are transferred between organisms through a series of feeding relationships
Competition	the struggle between organisms, or populations, for limited resources like food, water, shelter, or mates, which results in one or both organisms being harmed or negatively impacted
Consumer	is an organism that obtains energy by feeding on other organisms or organic matter because it cannot produce its own food
Ecosystem	a distinct geographic area where living organisms (biotic factors) interact with each other and their physical, non-living environment (abiotic factors) as a functioning system
Water cycle	a biogeochemical cycle describing the continuous movement of water through Earth's atmosphere, oceans, land, and living organisms
Producer	is an organism that creates its own food, typically through photosynthesis, using sunlight, water, and carbon dioxide to produce energy-rich organic compounds like carbohydrates
Photosynthesis	the process used by plants, algae, and some bacteria to convert light energy into chemical energy in the form of glucose (sugar), using carbon dioxide and water, and releasing oxygen as a byproduct
carnivore	an organism that primarily consumes meat or animal flesh for its nutrition and energy
herbivore	an animal that feeds on plants or plant-based materials as its primary source of energy and nutrients
Natural-resource	materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
omnivore	an animal or person that eats food of both plant and animal origin.

Created by: Dmedders28

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