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Biology

TermDefinition
Biology The study of life
Cycle A course or series of events or operations that repeats
Organism A living thing; one of many different forms of life
Energy The ability to do work
Law Of Conservation Of Energy Energy cannot be created or destroyed
Cell The basic unit of life
Evolution The changes in a population over time
Species A group of organisms that can reproduce with eachother
Adaptation An adjustment to environmental condition's
Ecosystem All of the living and nonliving things found in any particular areas
Homeostasis The ability of organisms to maintain their internal conditions
Diffusion The movement of molecules from an area of high concentration to an area of low concentration
Transport To move molecules from one side of a membrane to the other
Osmosis The movement of water through a cell membrane
Prokaryote A cell with one outside membrane and no nucleus
Eukaryote A cell with several internal structures, including a nucleus
Binary Fission Reproduction in which a bacterial cell divides into two cells between that look the same as the original cell
Tissue A group of cells that are similar and work together
Epithelial Cell A skin cell
Nervous Tissue Nerves made from collections of nerve cells
Organ A group of different tissues that work together to perform specific functions
Organ System A group of organs that work together to perform specific connected tasks
Circulatory System A collection of organs including the heart, which moves blood and gases throughout the body
Estrogen The female sex hormone
Fallopian Tube A tube through which eggs pass from an overy to the uterus
Gonad An organ that makes gametes
Menstruation The process during which an unfertilized egg, blood, and pieces of the lining of the uterus exit the female body
Ocycte An early egg that has not finished meiosis
Ovary The female organ that makes egg cells
Semen A mixture of fluid and sperm cells
Testosterone A male sex hormone
Urethra The tube that carries urine and semen out of the body
Uterus An organ in most female mammals that holds and protects an embryo
Vas Deferens The tubes that connect the testes to the urethra
Gestation Time The period of development of a mammal from fertilization until birth
Fetus An embryo after 8 weeks of development in the uterus
Placenta A tissue that provides the embryo with food and oxygen from its mothers body
Umbilical Cord The cord that connects an embryo to the placenta
Ingestion The intake of food; the first stage of digestion
Pharynx The passageway between the mouth and the esophagus for air and food
Peristalsis The movement of digestive organ that pushes food through the digestive tract
Chyme The liquid food in the digestive tract that is partially digested
Bile A substance made in the liver that breaks down fats
Feces The solid waste material remaining in the large intestine after digestion
Capillary
Created by: JayEDM