Examlex
Which of the following types of protozoa contribute to limestone formation in their fossilized state?
Primary Research
An approach to gathering data directly through original or firsthand research methods, such as surveys, interviews, or experiments.
Observational Research
A research method involving the systematic observation and recording of behaviors and phenomena in their natural environment, without intervention by the researcher.
Environmental Impact
The effect that human activities and natural phenomena have on the environment, including ecosystems, biodiversity, and human health.
Research Methods
Various strategies, techniques, and tools used for investigating hypotheses and acquiring new knowledge in scientific or academic studies.
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