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- https://bio.libretexts.org/Courses/Monterey_Peninsula_College/Marine_Biology_Laboratory/02%3A_Physical_Oceanography-_Measurement_Density_and_BuoyancyThis page describes a physical oceanography lab focused on measuring water properties like salinity and temperature, exploring buoyancy in marine life. Students will use tools for data collection and ...This page describes a physical oceanography lab focused on measuring water properties like salinity and temperature, exploring buoyancy in marine life. Students will use tools for data collection and create water density layers. A key task involves designing a plankton model that sinks slowly while remaining stationary, with guidelines for testing and a laboratory write-up analyzing buoyancy strategies of three marine organisms.
- https://bio.libretexts.org/Workbench/General_Ecology_Ecology/Chapter_5%3A_Terrestrial_and_Aquatic_Communities/5.1%3A_Earth's_Biomes/5.1.3%3A_Aquatic_BiomesLike terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air, however. Even if the water in ...Like terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air, however. Even if the water in a pond or other body of water is perfectly clear (there are no suspended particles), water, on its own, absorbs light. As one descends into a deep body of water, there will eventually be a depth which the sunlight cannot reach.
- https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/09%3A_The_Ecology_of_Populations/9.01%3A_What_is_population_ecologyOften, however, we do not have good estimates of the size of a population itself, but factors that should be correlated with the population size, such as the number of animals harvested by hunters or ...Often, however, we do not have good estimates of the size of a population itself, but factors that should be correlated with the population size, such as the number of animals harvested by hunters or trapped by ecologists or the density of dung found during a survey.
- https://bio.libretexts.org/Workbench/General_Ecology_Ecology/Chapter_9%3A_The_Ecology_of_Populations/9.1%3A_What_is_Population_EcologyEcology is often defined as the study of the distribution and abundance of organisms. Population ecologists study what determines the occurrence and abundance of species in space and time: their geog...Ecology is often defined as the study of the distribution and abundance of organisms. Population ecologists study what determines the occurrence and abundance of species in space and time: their geographic ranges, population sizes and densities, what factors result in them being so rare or common, and why these characteristics change over time.
- https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/05%3A_Terrestrial_and_Aquatic_Biomes/5.03%3A_Aquatic_BiomesLike terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air, however. Even if the water in ...Like terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air, however. Even if the water in a pond or other body of water is perfectly clear (there are no suspended particles), water, on its own, absorbs light. As one descends into a deep body of water, there will eventually be a depth which the sunlight cannot reach.
- https://bio.libretexts.org/Courses/Cuyahoga_Community_College/Bio_1110%3A_Biological_Fundamentals/02%3A_Metric_System_and_Measurement/2.01%3A_MeasurementsMeasurements provide quantitative information that is critical in studying and practicing chemistry. Each measurement has an amount, a unit for comparison, and an uncertainty. Measurements can be repr...Measurements provide quantitative information that is critical in studying and practicing chemistry. Each measurement has an amount, a unit for comparison, and an uncertainty. Measurements can be represented in either decimal or scientific notation. Scientists primarily use the SI (International System) or metric systems. We use base SI units such as meters, seconds, and kilograms, as well as derived units, such as liters (for volume) and g/cm3 (for density).
