Ecology Flashcards
The study of the relationships between organisms and between organisms and their physical environment
Define ecology
All members of a species living in a given location make up a
Population
All the interacting populations in a given area make up a
Community
All the members of a community along with the physical environment in which they live
Ecosystem
The portion of the earth in which all living things exist
Biosphere
The main source of earths energy
Solar energy
Nonliving factors
Abiotic
Living factors
Biotic
Factors of the environment such that are physical factors that sustain the lives and reproductive systems of organisms
Abiotic
Limiting factors
Abiotic factors
Factors of an ecosystem are all the living things that directly or indirectly affect the environment. The organisms of an ecosystem interact in many ways. These interactions include nutritional in symbiotic relationships
Biotic factors
The transfer of nutrients from one organism to another within the ecosystem
Nutritional relationships
These organisms can use energy from the environment to synthesize their own food from inorganic compounds
Autotrophs
These organisms cannot synthesize their own food and must obtain nutrients from other organisms
Heterotrophs
These organisms of 10 nutrients from the remains of dead organisms these include bacteria and fungi
Saprophytes