Biological Control

2. Arthropod that consumes leaves
4. Organisms that will only attack one species are ____________
5. An organism that spreads a pathogen
6. Naturally occurring in an area
12. The number of individuals in an introduction event
13. A unit of acoustic intensity ("loudness")
14. An organism that consumes other organisms
16. The abundance or density at which pest management interventions must occur in order to prevent economic losses
18. A parasitoid that paralyzes its host, preventing further growth and development
19. Combination of the liklihood of occurance and the magnitude of consequences should the effects occur

1. The removal of top-down control results in invasive species population growth
3. Plants that support natural enemy populations
7. Species evolving and responding to each other over a long period of time
8. A strain of a species morphologically indisguishable from other strains but with distinct physiological characteristics
9. Biological control strategy in which natural enemies are released without the expectation of permanent establishment or long-term control
10. Measure of how many and what type of organisims a natural enemy will attack
11. Any species that is injurious or undesirable
15. The number of eggs or offspring that a female can produce in its lifetime
17. Asexual fungal spores