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Detritivores that break down organic matter into simpler compounds, returning vital nutrients into the environment
A diagram that compares the energy used by producers, primary consumers, and other trophic levels
A relationship between two organisms in which one receives an ecological benefit and the other is not harmed
Carbon moves into the biomass through photosynthesis and out through respiration and combustion
Pollutants move higher up the food chain as predators eat prey, accumulating in higher concentration in the bodies of predators
Individuals with beneficial adaptations produce more offspring than those lacking them
Survival of the fittest
Organisms who are better able to survive in their environment will generate more offspring relative to other members of the population
Features similar in structure that appear in different organisms and have different functions
Structures that perform similar functions-like flight- but are not similar in origin
A technique that uses the natural decay rate of unstable isotopes to calculate the age of a material
The amount of time it takes for half the isotope in a sample to decay into a different element
An attraction between between a slightly positive hydrogen atom and a slightly negative atom (Oxygen or nitrogen)
Because the moH+lecules that form a hydrogen bond are predominantly positive and predominantly negative respectively, they can dissolve any polar and ionic bonds
Non polar molecules utilized as a source of energy and in some occasions as part of a cell's structure
Polymers made of monomers called amino acids. Most varied carbon-based molecules in organisms
Building blocks of proteins, made up of carbon, hydrogen, nitrogen, and sometimes sulfur. 20 different variations are used in the construction of proteins
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