Answer:
Commensalism only occur among biotic factors
Explanation:
Abiotic factors are non-living factors that interacts with the biotic factor within an ecosystem. Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
From the above definition of commensalism, it is clear to note that it only involves two organisms rather than non-living organisms, hence; commensalism involves only biotic factors
When scientists measure, they use the metric system.
Answer: A.) Thin
Explanation: According to the graph, on day 20 there are more aliens in the thin form than in either of the other two forms. So the form with the highest probability is the thin form.
Hope this helps : )
