first filial generation in a cross; the offspring of the parental generation

second filial generation produced when F1 individuals are self-crossed or fertilized with each other

one of the 14 bones that form the face; provides cavities for the sense organs (eyes, mouth, and nose) and attachment points for facial muscles

process by which material moves down a concentration gradient (from high to low concentration) using integral membrane proteins

complex that “facilitates chromatin transcription” by disassembling nucleosomes ahead of a transcribing RNA polymerase II and reassembling them after the polymerase passes by

organisms that can perform both aerobic and anaerobic respiration and can survive in oxygen-rich and oxygen-poor environment

seasonal process that recycles nutrients and oxygen from the bottom of a freshwater ecosystem to the top

direct deposit of solid minerals on land or in the ocean from the atmosphere

incorrect test result that should have been positive

able to be disproven by experimental results

division of order in the taxonomic classification system

potential reproductive capacity of an individual

a product's effect of a reaction sequence to decrease its further production by inhibiting the first enzyme's activity in the pathway that produces it

(also, thighbone) longest, heaviest, and strongest bone in the body

process of regenerating NAD+ with either an inorganic or organic compound serving as the final electron acceptor; occurs in the absence of oxygen