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Biology
Vocabulary-Ecology
| Question | Answer |
|---|---|
| Nonliving things in an ecosystem | abiotic |
| Organisms that can produce their own food | autotroph |
| Term that describes the number of different species that live within a particular ecosystem | biodiversity |
| Living organisms and products of organisms in an eco system | biotic |
| • The total mass of living matter within a given unit of environmental area• Plant material, vegetation, or agricultural waste used as a fuel or energy source | biomass |
| The movement of carbon atoms through an ecosystem between living organisms as well as the non-living part of the environment | carbon cycle |
| A consumer that only feeds on animal tissues | carnivore |
| The living part of an ecosystem, all the different populations that live together in an area | community |
| A relation between two kinds of organisms in which one obtains food or other benefits from the other without damaging or benefiting it | commensalism |
| An organism that eats other organisms• first-order consumers eat food producers• second-order consumers eat first-order• third-order consumers eat second order | consumer |
| Organisms, such as fungi and bacteria, that break down the complex chemical compounds made by living things into simple nutrients. These nutrients are then used by food producers and/or returned to the soil and water. | decomposer |
| The study of the relationships and interactions of living things with one another and with their physical environment | ecology |
| The branch of biology that deals with the relations and interactions between organisms and their environment, including other organisms. | ecosystem |
| Animals considered as a group, especially the animals of a particular country, region or time | fauna |
| •A sequence of organisms that eat one another in an ecosystem •Energy links between different organisms in an ecosystem habits •A sequence in which energy is transferred form one organism to the next as each organism eats the other | food chain |
| •A type of tropic-level diagram in the shape of a pyramid in which the largest layer at the base is the producers with the first-level, second-level, and third-level consumers in the layers above, •A pyramid-shaped diagram of energy flow | food pyramid |
| •All the feeding relationships in an ecosystem •Interconnected food chains in an ecosystem•The pattern of overlapping food chains in an ecosystem | food web |
| Plants considered as a group, especially the plants of a particular country, region, or time | flora |
| The place where an organism lives and that provides the things it needs to survive | habitat |
| A consumer that eats only plants | herbivore |
| An organism that cannot produce its own food. | heterotroph |
| The special role of an organism in its community or environment | niche |
| A consumer that eats both plants and animals | omnivore |
| An organism that grows, feeds, and is sheltered on or in a different organism while contributing nothing to the survival of its host. | parasite |
| All the individuals of one kind (one species) in a specified area at one time | population |
| An organism that lives by preying on other organisms | predator |
| An animal hunted or seized for food, especially by a carnivorous animal. | prey |
| An organism that is able to produce its own food through photosynthesis | producer |
| The progressive replacement of one community by another until a climax community is established. | succession |
| •Different feeding levels in an ecosystem.•Any class of organisms that occupy the same position in a food chain; as primary consumers, secondary consumers, and tertiary consumers. | trophic level |
Created by:
garcias
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