| A | B |
|---|
| epiphyte | absorb water and nutrients from air |
| saprophyte | derives nutriens from the dead |
| metamorphosis | transformation of larva into adult |
| pathogen | disease causing organisms |
| resistance | ability to overcome damaging pathogens |
| parasite | lack structure, dependent on host |
| weed | plant growing where it is not wanted |
| autotrophic | photosynthesizing |
| hemiparasites | mistletoe |
| chewing insects | caterpillars, grasshoppers |
| sucking insects | aphids, scale, mealybugs, thrips |
| vegetable insects | cabbale looper, corn earworm |
| fungi | 75% on roots,not always pathogenic |
| bacteria | three basic shapes of organisms |
| viruses | found inside cells of plants or animals |
| nematodes | unsegmented worms |
| pathogenicity | capability of a pathogen to cause disease |
| infection | establishment of a parasite within a host |
| virulence | degree of pathogenicity of a pathogen |
| mites | sucking insect with four pairs of legs and no wings |
