Research Methods in Environmental Science Exam Questions and Correct Answers Latest Update 2024 (Already Passed)

Research Methods in Environmental Science Exam Questions and Correct Answers Latest Update 2024 (Already Passed) Scientific Methodologies - Answers Systematic approaches to conducting scientific research. Quantitative Measures - Answers Numerical data used to quantify variables. Abiotic Factors - Answers Non-living components affecting ecosystems. Investigation Design - Answers Plan for collecting reliable data for conclusions. Risk Management - Answers Strategies to minimize potential research hazards. Accuracy - Answers Closeness of recorded data to true value. Bias - Answers Systematic errors affecting data validity. Precision - Answers Clarity of measurement intervals in data. Reliable Data - Answers Consistent results obtained from repeated measurements. Anomalous Results - Answers Data points that deviate from expected outcomes. Validity - Answers Accuracy, precision, and reliability of data combined. Hypothesis - Answers Testable explanation for a scientific question. Null Hypothesis - Answers Statement asserting no effect or relationship exists. Statistical Tests - Answers Methods to analyze data for significance. Sampling Techniques - Answers Methods for selecting representative data samples. Random Sampling - Answers Selecting samples randomly to avoid bias. Systematic Sampling - Answers Samples taken at regular intervals across a population. Stratified Sampling - Answers Dividing population into subgroups for sampling. Preliminary Studies - Answers Initial tests to assess research methods' reliability. Population Dynamics - Answers Study of changes in population sizes over time. Impact Assessments - Answers Evaluating effects of disturbances on ecosystems. Restoration Ecology - Answers Field focused on restoring damaged ecosystems. Harvest Limits - Answers Regulations on sustainable species extraction. Pest Control - Answers Management strategies for harmful species populations. Sampling Size - Answers Number of samples needed for valid results. Standardized Sampling - Answers Uniform methods for comparability across studies. Data Collection Timing - Answers When to gather data based on variables. Species Diversity - Answers Variety of different species within a habitat. Salt Marsh - Answers Coastal ecosystem influenced by saltwater. Sample Location - Answers Systematic sampling for designated sampling locations. Line Transect - Answers Records species touching a rope across habitat. Belt Transect - Answers Uses a quadrat along a straight line for sampling. Interrupted Belt Transect - Answers Records species in quadrats at fixed intervals. Sampling Intervals - Answers Distance between samples affects data accuracy. Sample Timing - Answers Sampling frequency depends on observed changes. Sample Size - Answers Larger samples yield more representative results. Number of Samples - Answers Multiple samples reduce variability in results. Running Mean - Answers Calculated to determine necessary sample quantity. Population Density - Answers Mean number of individuals per unit area. Species Frequency - Answers Proportion of samples containing a species. Percentage Vegetation Cover - Answers Estimate of area covered by a species. Calculating Percentage Cover - Answers Estimate cover by viewing quadrat from above. Biodiversity - Answers Variety of living organisms in an area. Habitat Diversity - Answers Number of different habitats in a region. Genetic Diversity - Answers Variation of genes within a species. Ecological Stability - Answers Indicated by maintaining high species diversity. Simpson's Diversity Index - Answers Formula assessing species richness and evenness. Evenness - Answers Distribution of individuals among species. Richness - Answers Number of different species in a habitat.