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The biological rationale is based on your interpretation of the scientific literature, your personal observations, and the underlying assumptions you are making about how you think the system works.
Performing an investigation just for the sake of adding to our scientific knowledge (“pure or basic science”) is just as important as applied science.
In fact, basic science often provides the foundation for applied studies.: specific prediction(s) that you will test during your experiment.
)If you are doing a systematic observation, your hypothesis presents a variable or set of variables that you predict are important for helping you characterize the system as a whole, or predict differences between components/areas of the system that help you explain how the system functions or changes over time.
We hypothesize that the frequency and extent of algal blooms in Lake Mendota over the last 10 years causes fish kills and imposes a human health risk.(The variables “frequency and extent of algal blooms,” “fish kills” and “human health risk” have not been defined enough to be able to make this hypothesis testable or falsifiable. Although implied, hypothesis should express predicted direction of expected results [We hypothesize that increasing (DIRECTION) cell densities of algae (VAR.) in Lake Mendota over the last 10 years is correlated with 1.
gives the reader a general sense of the experiment, the type of data it will yield, and the kind of conclusions you expect to obtain from the data.
Do not confuse the experimental approach with the experimental protocol.
This section provides guidelines on how to construct a solid introduction to a scientific paper including background information, study question, biological rationale, hypothesis, and general approach. This observation of the natural world may inspire you to investigate background literature or your observation could be based on previous research by others or your own pilot study.
If the Introduction is done well, there should be no question in the reader’s mind why and on what basis you have posed a specific hypothesis.: based on an initial observation (e.g., “I see a lot of guppies close to the shore. Broad questions are not always included in your written text, but are essential for establishing the direction of your research.: key issues, concepts, terminology, and definitions needed to understand the biological rationale for the experiment.
They are small crustaceans that inhabit a range of freshwater habitats from coastal rock-pools to alpine lakes and are found throughout Australia and the rest of the world.
The water-flea has been studied in the context of ecology, evolution and ecotoxicology for many years and is now an emerging model system for ecological genomics and the study of gene function in natural environments.