The scientific method is a series of sequential steps used to gain scientific knowledge. An experiment is a procedure used to test a hypothesis by using the scientific method.
- A hypothesis is a plausible explanation about some aspect of the real world which can be tested (either confirmed and/or rejected) by using the scientific method.
- In this case, my working hypothesis is 'there is a symbiotic relationship between sloths and green algae'
- An experimental procedure can be used to test the working hypothesis.
- In this case, my experiment would consist in using two different groups of sloths:
- sloths interacting with the green algae
- sloths that don't interact with the green algae
- From the results of this experiment, it is expected to observe some type of benefit or 'symbiotic relationship' both in sloths and green algae (for example, both an enhanced fur in sloths and a higher survival rate of the target green algae).
- I might use as a control group individuals of another mammal species that also interact with the target green algae.
- The results obtained from this experiment might be used to confirm or reject my hypothesis.
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