population and ecosystem proper 1 Flashcards
what is ecology
study of inter relationships between organisms and their enviroments
what is an ecosystem
it is a dynamic setting of the community and all the non living factors in the environment
what must be considered within an ecosystem
the flow of energy through the system and the recycling of element in the system
what are population
individuals of a species that live together and interbreed to produce fertile offspring
what is crrying capacity
the size of population an ecosystem supports
wha is the size of the population dependent on
the effect of the abiotic factos
interactions between organisms
what forms a community
popualtions of different species living and interacting with eath other at a given time
what is a habitat
where an organisms lives and its physical features and the other organisms in it
what is also within a habitats
microclimates that form microhabitats
what is an ecogocial niche
the role an organism plays in the community, where it lives and what it does there, the biotic and abiotic factors they are adapted to
what is the competitive exclusion principle
no two species occupy exactly the same niche
how may simmilar species may not be the same
their nesting habits, mating behaviour, tolerance to different enviromental conditions may be different
