Amazing word-wall printables. Each term has a picture or graphic to go with it! Just print, laminate, and cut!
31 Key Terms:
Includes the following terms:
Producer – an organism that uses sunlight to make its own food; also known as an autotroph
Consumer – an organisms that eat other organisms for food; also known as a heterotroph
Herbivore – an organism that eats only plants
Carnivore – an organism that eats animals
Omnivore – an organism that eats both plants and animals
Scavenger – an organism that eats dead plants and animals
Decomposer – an organism that gets energy by breaking down dead organisms
Food Chain – a diagram that shows how energy in food flows from one organism to another
Food web – a diagram that shows all the feeding relationships between organisms in an ecosystem.
Energy Pyramid – an diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain
Limiting Factor – something such as food, water, or space that limits the size of a population
Carrying Capacity – the largest population that an environment can support at any given time
Predator – an organism that kills and eats another for food
Prey – an organism that is killed and eaten by another organism.
Competition – occurs when two or more organisms or populations try to use the same resource (i.e. food, water, space, etc.)
Symbiosis – a close, long-term association between two or more species
Mutualism – a relationship between two species in which both species benefit
Commensalism – a relationship between two organisms in which one organism benefits and the other is unaffected.
Parasitism – a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed.
Water Cycle – the movement of water between the oceans, atmosphere, land, and living things
Carbon Cycle – The exchange of carbon between the environment and living things
Decomposition – The breakdown of substances into simpler molecules
Combustion – the burning of a substance
Photosynthesis – process in which some organisms use sunlight, carbon dioxide, and water to make food.
Respiration – the exchange of oxygen and carbon dioxide between living cells and their environment; includes breathing and cellular respiration
Nitrogen Cycle – the movement of nitrogen between the environment and living things
Succession – the replacement of one type of community by another at a single place over a period of time
Primary Succession – succession that occurs where an ecosystem had not previously existed
Secondary Succession – succession that occurs where another ecosystem had previously existed.
Pioneer Species – a species that colonizes an uninhabited area and starts the process of succession
Climax Species – slow-growing, well-adapted organisms that dominate a community as it matures.