Term | Definition |
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 | |