| They are beautiful creatures but don't take kindly to people invading their territory. |
| On the other hand, invading species with predominantly allogamous modes of reproduction may possess a high level of genetic diversity. |
| Plants have developed elaborate mechanisms to protect themselves from invading pathogens and aggressors. |
| When a microbe or a virus invades the body, white cells are among the first of the body's defenses to attack the invading organisms. |
| No one expects to lose much sleep over it but, for the record, NASA has been sued by three men from Yemen for invading Mars. |
| During the war it housed the reserve troops who would protect the government from invading forces. |
