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Ecology Vocabulary
| Question | Answer |
|---|---|
| Aphid | Small insect that eats plants |
| Bacteria | A unicellular organism that does not have a nucleus or a membrane bound organelles. Very small cell that all the structures necessary to carry out its life functions and reproduces asexually |
| Biodiversity | Refers to the variety of species in a specific area |
| Biomass pyramid | Graphic representation of the total weight of living matter at each trophic level |
| Biosphere | Portion of the earth that supports living things. It extends from high in the atmosphere to the bottom of the ocean |
| Biotic factors | All the living organism that inhabit an environment |
| Carbon cycle | Diagram that shows how carbon molecules are recycled through the environment |
| Carnivore | Animal that eats other animals |
| Commensalism | A symbiotic relation in which one species benefits and the other species is neither harmed nor benefited |
| Community | Interacting populations in a certain area at a certain time, several different populations make up a community |
| Consumer | Organism in the biosphere dependent on the autotrophs for nutrients and energy |
| Decomposition | Break down the complex compounds of dead and decaying plants and animals into simpler molecules that can be more easily absorbed |
| Ecology | Interactions that take place between organisms and their environment |
| Ecosystem | Interaction populations in biological community and the community's abiotic factors |
| Food chain | A simple model used to show how matter and energy move through an ecosystem |
| Food web | A model used to show the possible feeding relationships at each trophic level in a community |
| Fungus | Either unicellular or multicellular eukaryote that absorbs nutrients from organic material in the enviroment |
| Habitat | The place where an organism lives out its life |
| Herbivore | Animal that eats plants |
| Heterotroph | An organism that cannot make its own food and feeds on other organisms |
| Insecticide | Chemical used to kill insects |
| Mutualism | A symbiotic relationship in which both species benefit |
| Niche | The role or position a species has in its environment, how it meets its specific needs for food and shelter, how and where it survives, and where it reproduces its environments. |
| Nitrogen cycle | Diagram that shows how nitrogen molecules are transformed and recycled through the environment |
| Omnivore | An organism that eat both plants and animals |
| Parasitism | An interaction that is harmful to one organism and beneficial to the other |
| Population | A group of organisms, all the same species, which interbreed and live in the same area at the same time |
| Predator-Prey | A relation when one organism eats another one. A lynx eats a hare. The lynx is the predator and the hare is the prey |
| Producer/Autotroph | An organism that uses light energy or energy stored in the chemical compounds to make energy-rich compounds. First level in all food |
| Species | A group of organisms that can interbreed and produce fertile offspring in nature |
| Succession | Orderly, natural changes, and species replacements that take place in communities of an ecosystem over time |
| Symbiosis | The relationship in which there is a close and permanent association between organisms of different species. There are three kinds of symbiosis: mutualism, commensalism, and parasitism. |
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ad3lle
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