1. Species Interactions
(Symbiosis)

2. Mutualism A + B + Commensalism A + B o Amensalism A o B -
Both species benefit
Zebra and tick bird
A B +
Commensalism
One benefits from other
Epiphytes
A B o
Amensalism
One species is harmed by other
Grazing stock trampling plants
A o B -

3. Exploitation A + B - Antibiosis A o B - Competition A - B -
One benefits at expense of other
Predation, Herbivory, Parasitism
A B -
Antibiosis
One is harmed by a compound the other produces
Thyme plant releasing toxins
A o B -
Competition
Both species are harmed
Plants competing for light
A B -

4. Activity Look at card Identify the type of interaction
Explain how each species is affected in terms of survival and food resources

5. Text Book Read pg 22-23 Highlight key words
What is the difference between parasitism and parasitoids?
Answer Q6 pg 26