Final answer:
Scientists designing a bioremediation solution must consider the temperature range for bacterial growth, regulatory compliance concerning nonnative organisms, and the cause of oil contamination.
Step-by-step explanation:
The constraints scientists need to consider when designing a bioremediation solution include the temperature range in which the oil-digesting bacteria grow best and regulations about adding nonnative organisms to ecosystems. The cause of the oil contamination also influences the bioremediation process, although it is not explicitly mentioned as a constraint in bioremediation design. While the maximum number of oil-digesting bacteria available is a consideration, this factor primarily affects the scale of the bioremediation efforts rather than the design of the solution itself.
Bioremediation involves the use of microorganisms, such as specific bacteria, to break down and remove contaminants like oil from the environment. Successful bioremediation requires an understanding of the different oil compounds present in a spill, the availability of naturally-occurring oil-solubilizing prokaryotes in the area, and the local temperature conditions that affect bacterial activity. Additionally, compliance with environmental regulations is crucial, especially when introducing nonnative species, to prevent possible adverse effects on the local ecosystem.