Minimum wage and maximum work hours
Y is the best options because a secondary consumer will eat a primary consumer for energy (the grass hopper).
In determining species, it is best to differentiate in terms of the population that is being adapted in which, a certain niche. So, if it has a small gene pool, and the different species will be interbreeding each other with a much genetic variability in gene pool, it would most likely cause a less adaptation. The niche will be having a less adaptation if too much genetic variability will occur.
Mutalism, commensalism, and parasitism
