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organism any living thing
energy pyramid a triangular diagram that shows an ecosystems loss of energy
producer organisms that use energy in sunlight to make their own food
consumer organisms that cannot make their own energy. They must eat to gain energy
food chain shows how energy flows from one organism to another
food web shows the feeding relationships between organisms in the ecosystem
primary consumer consumers that eat producers to get energy
secondary consumer consumers that eat another consumer for energy
herbivore consumers that only eat plants
carnivore consumers that only eat meat
omnivore consumers that eat plants and animals
scavenger eats dead plants and animals
decomposer they are the final link of the energy cycle and they return nutrients to the environment
stimulus anything in the environment that causes a response in an organism
response reaction to the stimulus
adaptation a structure or behavior that helps an organism survive and function better in it's environment
dormancy a period of inactivity where it does not grow in order to survive unfavorable environmental conditions
germination when a seed begins to sprout
tropism plant growth in response to a stimulus
phototropism plant growth in response to light
thermotropism plant growth in response to heat
geotropism plant growth in response to gravity
biome a large geographical area with similar climates and ecosystems
biotic factor living parts of the environment
abiotic factor non-living parts of the environment
limiting factor any biotic or abiotic factor that causes a population to decrease
community populations of different species that live in the same area
individual any living thing or organism
tolerance the ability of an organism to survive changes in biotic and abiotic environmental factors
population a group of individuals of the same species that live in the same area
ecosystem the relationship between the living and nonliving parts of an environment
Created by: kerrip12