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sixteen vocabulary
Biology
| Question | Answer |
|---|---|
| The study of the interactions of living organisms with one another and with their physical environment. | ecology |
| the place where a particular population of a species lives. | habitat |
| the many different species that live together in a habitat. | community |
| consits of a community and all the physical aspects of its habitat, such as the soil, water, and weather. | ecosystem |
| the physical aspects of a habitat. | abiotic factors |
| organisms in a habitat. | biotic factors |
| the variety of organisms, their genetic differences, and the communities and ecosystems in which they occur. | biodiversity |
| the first organisms to live in a new habitat where soil is present tend to be small, fast-growing plants. | pioneer species |
| a somewhat regular progression of a species replacement. | succession |
| successin that occurs where life has not existed before. | primary succession |
| succession that occurs in areas where there has been previous growth, such as abanoned fields or forest clearings. | secondary succession |
| the rate at which organic material is produced by photosynthetic organisms in an ecosystem. | primary productivity |
| an organism that can make organic molecules from inorganic molecules; a photsynthetic or chemosynthetic autotroph that serves as the basic food source in an ecosystem. | producers |
| are those organisms that consume plants or other organisms to obtain the energy necessary to build their molecules. | consumers |
| one of the steps in a food chain or food pyramid; examples include producers, and primary, secondary, and tertiary consumers. | trophic level |
| the path of energy through the trophic levels of an ecosystem. | food chain |
| animals thate at other animals. | carnivores |
| animals that eat plants or other primary producers. | herbivores |
| use simple sugars and starches stored in plants as food, but they cannot digest cellulose. | omnivores |
| are organisms that obtain their energy the organic wastes and dead bodies that are produced at all trophic levels. | detritivores |
| cause decay | decomposers |
| energy does not follow simple straight paths because individual animals often feed at several trophic levels | food web |
| a diagram in which each trophic level is represented by a block. | energy pyramid |
| is the dry weight of tissue and other organic matter found in a specific ecosystem. | biomass |
| the circulation of substances through living organisms from or to the environment. | biogeochemical cycle |
| water retained beneath the surface of the earth. | ground water |
| sun driven process. | transpiration |
| the proces of combining nitrogen with hydrogen to form ammonia. | nitrogen fixation |
Created by:
lilkim
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