1. INTERSPECIFIC RELATIONSHIPS

2. These you should know already
Competition: The simultaneous demand by two or more organisms for limited environmental resources eg. Nutrients, living space, light
Mutualism: The feeding relationship where both species benefit
shrimp

3. Exploitation: A relationship between two species where one benefits and one is harmed. Herbivory: The eating of plant matter by animals

4. Predation: The term given to the relationship between predator and prey
Predator: The term given to an organism that hunts and kills its food
Prey: The term given to an animal that is eaten by the predator

5. Predation avoidance: Prey species may try to deter predators using:
A startle display – to look as big as possible

6. Display behaviour of startled praying mantis

7. Poison (and warning colours)

8. PREDATION TOOLS Predators use a variety of strategies to get prey.
Concealment Traps

9. Parasitism: The term for the relationship between a host and a parasite.
Parasite: An organism that lives in or on its host to the detriment of the host.
Host: The term given to an organism that has a parasite

10. The Guinea Worm

11. Mimicry This is another predator avoidance strategy.
Moth A Caterpillar

12. Mimicry Batesian mimicry: one poisonous - the other is harmless
bee hoverfly

13. :
Mullerian mimicry
both species share the same warning