Biology glossary

mass of food resulting from chewing action and wetting by saliva

(also, osseous tissue) connective tissue that constitutes the endoskeleton

replacement of old bone tissue by new bone tissue

study of plants

magnification of genetic drift as a result of natural events or catastrophes

disease produced by the toxin of the anaerobic bacterium Clostridium botulinum

structure that encloses the glomerulus

movement through trees branches via suspension from the arms

portion of the brain that connects with the spinal cord; controls basic nervous system functions like breathing, heart rate, and swallowing

node on a phylogenetic tree where a single lineage splits into distinct new ones

airway that extends from the main tertiary bronchi to the alveolar sac

(plural: bronchi) smaller branch of cartilaginous tissue that stems off of the trachea; air is funneled through the bronchi to the region where gas exchange occurs in alveoli

period of much reduced metabolism and torpor that occurs in any ectotherm in cold weather

method of exit from the cell used in certain animal viruses, where virions leave the cell individually by capturing a piece of the host plasma membrane

form of asexual reproduction that results from the outgrowth of a part of a cell leading to a separation from the original animal into two individuals