Ecology and Environmental Systems
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
A
Abiotic factorA non-living part of an ecosystem. | |
AdaptationA characteristic that helps an organism survive in its environment. | |
Apex predatorA predator at the top of a food chain with few or no natural predators. | |
AutotrophAn organism that produces its own food using sunlight or chemical energy. | |
B
BiodiversityThe variety of living organisms within an ecosystem. | |
Biotic factorA living or once-living part of an ecosystem. | |
C
Carrying capacityThe maximum population size an environment can support over a long period. | |
CommensalismA symbiotic relationship in which one species benefits while the other is unaffected. | |
CommunityAll the populations of different species living in an area. | |
CompetitionThe struggle between organisms for limited resources. | |