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Stack #238254
Ecology
| Question | Answer |
|---|---|
| Ecosystem | All the interactions and relationships of organisms with one another and with their physical environment within a certain area. |
| Omnivore | a consumer that eats both plants and animals |
| Pyramid of Energy | A pyramid shaped diagram of energy flow in a food chain. |
| Carbon Cycle | the movement of carbon atoms through an ecosystem between living organisms as well as the nonliving parts. |
| Predator | The organism that does the killing for food. |
| Scavenger | a carnivore that feeds on the bodies of dead organisms |
| Biosphere | the part of the Earth where all living things are |
| Decomposer | Organisms such as fungi and bacteria that break down the complex chemical compounds made by living things into simple nutrients that are used by food producers. |
| Herbivore | consumer that eats only plants |
| Producer | organisms, such as plants and algae, which through the process of photosynthesis create energy rich sugar. |
| Water Cycle | the continuous process by which water moves from Earth's surface to the atmosphere and back |
| Carnivore | a consumer that eats only animals |
| Consumer | an organism that obtains energy by feeding on other organisms |
| Abiotic factors | nonliving factors in an environment such as rocks, soil, water, and air |
| Biotic factors | living factors in an environment such as plants and animals |
| Limiting Factor | an environmental factor that causes a population to decrease |
| Carrying Capacity | largest population that an area can support |
| Space | often determines the amount of food and water or light that the organism needs |
| Weather | involves temperature and rainfall |
| Direct Observation | trying to count all the objects present |
| Indirect Observation | looking for evidence of the organisms |
| Sampling | Estimating by counting organisms in a small area and then multiplying to find it in a larger area |
| Population | a group of organisms of the same species living in the same ecosystem. |
| Community | living part of the ecosystem. |
| Ecology | the study of the relationships and interactions of living things with one another and their physical environment |
| Mark-and-Recapture | capture in an area, mark in a way that does not hurt them, release them, then count ones without marks |
| Birth Rate | the number of births in a population in a certain amount of time |
| Death Rate | the number of deaths in a population in a certain amount of time |
| Immigration | moving into a population |
| emigration | leaving a population |
| food chain | energy links between different organisms in an ecosystem based on feeding habits |
| food web | interconnected food chains in an ecosystem |
| adaptations | a behavior or physical characteristic that allows an organism to live succsessfully in its environment. |
| tertiary consumer | an organism that eats a secondary consumer |
| commensalism | a relationship between two species in which one species benefits and the other is neither helped nor harmed. |
| competition | the struggle between organisms to survive as they attempt to use the same limited resource |
| habitat | the place in which an organism lives |
| host | the organism that a parasite lives on or in a parasitism interaction |
| mutualism | a relationship between two species in which both species benefit |
| natural selection | a process by which characteristics that make an individual better suited to its environment become more common in a species |
| niche | the special role of an organism in its community or environment |
| nutrient | a simple chemical compound used to nourish living things ;the usable part of food. |
| organism | a living thing |
| parasite | an organism that benefits by living on or in a host in a parasitism interaction |
| parasitism | a relationship in which one organism lives on or in a host and harms it |
| photosynthesis | a chemical reaction in which carbon dioxide and water are combined inside the leaf in the presence of sunlight to form energy rich sugar |
| species | very similar organisms that can produce fertile offspring |
| population density | the number of individuals in a specific area |
| primary consumer | an organism that eats producers |
| secondary consumer | an organism that eats primary consumers |
| prey | an organism that is killed and eaten by another organism |
| symbiosis | a close relationship between species that benefits atleast one of the species |
| primary consumer | an organism that eats producers |
| secondary consumer | |
Created by:
kimmiller
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