Ecosystems and Interactions
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
E
EcosystemA community of organisms interacting with one another and with their physical environment. | |
EmigrationThe movement of individuals out of a population. | |
EnvironmentThe surroundings in which an organism lives. | |