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15 terms

Biology EOCT Review Terms List 10

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photosynthesis
the process by which plants use the energy from sunlight to produce sugar
phenotype
a physical characteristic
pesticides
chemicals used to kill organisms viewed as pests
pedigree
family trees showing the occurrence of traits in parents and offspring across multiple generations
parasitism
one organism benefits at the expense of the other (the host)
paleontology
a study of the history and development of life on Earth as based on the fossil record
organelles
very tiny structures that exist within a cell that allow the cell to function
nucleotide
the combination of a sugar, a phosphate molecule, and a nitrogenous base
nucleus
a large structure inside a cell that contains the genetic material (DNA and RNA) and controls the cells activities
osmosis
the movement of water molecules across a selectively permeable membrane
Pangaea
the hypothetical supercontinent that existed when all Earth's landmasses were joined before the Triassic period
passive transport
the movement of molecules across the cell membrane without the expenditure of energy
peptide bonds
the bond that holds two amino acids together
P generation
the original, or parent generation used in genetic crosses
phosphorus cycle
the absorption of phosphorus from the soil by plant roots and then by herbivores and the movement of phosphorus back to the soil from the decay of dead plants and animals