Independent Variable
Oxygen
Dependent Variable
Decomposers
Required for photosynthesis
Controlled Variable
Producers (autotrophs)
Consumer (heterotrophs)
Carnivore
photosynthesis
Glucose
Zooplankton
Phytoplankton
Omnivores
Herbivores (primary consumers)
Organisms that get their energy from the sun through photosynthesis
Organisms that eat only consumers.
Tiny organisms usually found in large bodies of water that consume other small organisms.
Tiny photosynthetic organisms usually found in large bodies of water and are the most common producers in these waters
A sugar produced during photosynthesis by producers
Organisms that only consume producers.
Variable that we measure during an experiment
Variable we make different in an experiment or test.
Organisms that cannot produce their own food and must eat to get energy
Carbon Dioxide, water, and sunlight
A process used by plants to acquire their own energy.
A waste product produced by plants during photosynthesis
Organisms that get their energy by breaking down dead organisms and animal wastes AND make nutrients in the soil.
Organisms that eat both plants and animals
Variable that we make the same in an experiment