meat eaters
organisms that must eat to obtain energy
a model that shows amounts of energy or matter at each level in a food chain
a process where nitrogen is taken up by plants
organisms that eat meat and plants
plant eaters
bacteria that are autotrophs may use this process to create energy
used for energy to grow and maintain life
a substance that can enter the atmosphere from decomposition or animal waste products
producers use this process to create energy
omnivores
carbon
photosynthesis
carnivores
assimilation
chemosynthesis
glucose
heterotrophs
herbivores
ecological pyramid