sience 2
Terms
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- Ecology
- is the study of the interactions between organisms and their envierments.
- Biotic
- the part of the envirorment is all of the organisms that live together and interact with one another.
- abiotic
- the part of the environment includes all of the physical factors-such as water, soil, light, and temputure- that affect organisms living in a particular area.
- populations
- a salt marsh is a costal area were grasslike plants grow. A population is a group of individuals of the time. for example, all of the seaside sparrows that live together in a salt marsh members of a population. The invaliduals in the population compete with one another for food, nesting space,and mates.
- communities
- a community consists of all of the populations of different species that live and interact in an area
- ecosystems
- an ecosystem is made up of a community of organisms and its abiotic environments.
- biosphere
- the biosphere is the part of earth where life exists
- consumers
- organisms that eat produce or other organisms for energy called consumer
- herbivore
- a herbivor is a consumer that eats plants
- carnivor
- is a consumer that eats animals
- omnivores
- eat a verity of organisms plants and animals
- scarvenger
- are animals that feed on bodys or dead animals
- decomposer
- organisms that get energy by breaking down the remains of dead organisms of decomposers.
- food chain
- represents how energy in food molecules flows fgrom one organism to the next
- food web
- the many energy pathways possible are more accuratly shown by a food web
- energy pyramid
- the loss of energy at each level of the food chain can be represented by an enertgy pyamid
- niche
- an organisms way of life within an ecoysestem is its niche
- habit
- an organisms habit is the envirment in witch it leves
- Carrying Capacity
- The largest population that a given environment can support over time.
- prey
- the organism that is eten.
- predator
- the organism that eats the prey.
- symbiosis
- close long term association between two or more spcies.
- mutualism
- a symbiotic relationship in which both organisms benefit.
- interations among organismas
- population contain interacting induviduals of a singal species
- competition
- when two or more individuals or populations
- predators and prey
- many interactions among species occur because one organisma eats onother