Our Backyard Scavenger Hunt
Name: _________________________________
A. An example of each of the three types of symbiosis. List the two organisms involved and how
they are affected.
1. Mutualism: _________________________________________________________________
___________________________________________________________________________
2. Parasitism: __________________________________________________________________
___________________________________________________________________________
3. Commensalism: ______________________________________________________________
___________________________________________________________________________
B. Organization. Start with an organism, then list other organisms in its community and specific
factors that are in its ecosystem.
1. Organism: __________________________________________________________________
2. Biological Community: ________________________________________________________
3. Ecosystem:
a. Biotic factors in the ecosystem: ______________________________________________
b. Abiotic factors in the ecosystem: _____________________________________________
C. Evidence of (not the organism itself):
1. An individual animal: __________________________________________________________
2. A population of animals: _______________________________________________________
3. Competition: ________________________________________________________________
4. Predation: __________________________________________________________________
5. An autotroph: _______________________________________________________________
6. An herbivore: _______________________________________________________________
7. A carnivore: _________________________________________________________________
8. A detritivore: ________________________________________________________________
D. Energy Flow – make sure arrows are going the right direction.
1. One food chain consisting of at least 3 organisms (start with a producer):
2. One food web consisting of as many organisms as you can find (you can reuse the organisms
in your food chain if you need):