| A | B |
|---|
| Biotic | Living factors of an environment |
| Abiotic | Non living factor s of an environment ( air temperature) |
| Biosphere | Part of earth that supports life |
| Population | Group of same species living in the same place that can breed and that competing for resources |
| Community | Made of several population |
| Ecosystem | Made up of several populations, and they abiotic factors that affect them |
| Niche | An organisms job |
| Herbivore | Eats only plants |
| Omnivore | Eats both plants and meat |
| Carnivore | Eat only meat |
| Scavenger | Eats dead organisms |
| Decomposer | Break down dead matter |
| Symbiosis | Organism living together |
| Mutualism | Both organisms benefit, both happy |
| Commensalism | One organism benefits other is neither helped nor harmed, 1 happy other doesn’t care |
| Parasitism | One organism lives off another causing harm to the second organism – 1 happy other is sick or dead |
| Trophic level | Energy level |
| Food chain | A single path the energy flows through |
| Food web | Multiple paths the energy flows through |
| Nitrogen cycle | Cyclic movement of nitrogen in different chemical forms from the environment, to organisms, and then back to the environment. Nitrogen- nitrites- nitrates- back to plants |
| Exponential growth | Growth increasing at an exponential rate because of unlimited resources |
| Limiting factor | A resource that is needed and will run out. Water space, food |
| Carrying capacity | The largest number of a species an area can maintain |
| Innate | Instinct Inherited behaviors located in your DNA |
| Learned behavior | A behavior that must be taught and learned, A change in behavior because of past experience. |
| Conditioned behavior | A learned behavior based on a stimuli that is associated |
| Habituation | Ignoring a stimulus that has no meaning, birds nesting on a highway ignoring traffic noise |
| Succession | The way plants will come back to a fire destroyed area. Grass- shrubs-softwoods-hardwoods |
| estuary | a partly enclosed area water, it is a mix of water with fresh water from a river and water from the ocean is home to many babies birds, and fish |
| tundra | Frozen desert very cold little trees |
| Habitat | Where an organism lives |
| Ecology | Interactions between organism and their environment |
