Search Results for: gravity
Effects of Gravity on Sleep
Gravity is a natural phenomenon that affects all things particularly all living creatures from cell to human being. It has... Read More
Gravity perception
Gravity perception process whereby a bodily structure or organism (animal or plant) receives or detects a gravity stimulus.... Read More
Filtration
Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More
Gravitropism
Definition noun Growth or movement response of a cell or an organism to gravity Supplement Tropism is an involuntary... Read More
Plant Auxins – Phototropism & Geotropism
As with animals, plants also use a variety of hormones to control their growth and development. A family of hormones called... Read More
Gravitaxis
Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More
Osmotic pressure
Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... Read More
Amyloplast
Definition noun, plural: amyloplasts (botany) A type of leucoplast found in the cytoplasm of a plant cell, and serves as... Read More
Growth and Plant Hormones
Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More
Abiotic Factors – Water Conditions
Evidently, the light and heat from the sun play an important role in providing suitable conditions. However, the water... Read More
Transudate
Definition noun, plural: transudates A fluid passing through a mebrane, a pore, or an interstice, and accumulating in... Read More
photobiology
Photobiology Definition Photobiology, the biology of light, is a subdiscipline in biology. It focuses on the effects of... Read More
Turgor pressure
In biology, turgor pressure pertains to the pressure that is exerted by the fluid (e.g. water) against the cell wall. It is... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Adaptive Radiation
Reviewed by: Mary Anne Clark, Ph.D. When Charles Darwin was in the Galapagos Islands, one of the first things he... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Why Is The Mary River Turtle Endangered
The Mary River Turtle (Elusor macrurus) has been named recently as one of the species on the brink of extinction. That is... Read More
Muscles of the Apes – a thwack on human muscle evolution
Summary: A recent finding suggests that apes do have the muscles for bipedalism, vocal communication, and facial... Read More
Carbon dioxide
Carbon Dioxide Definition noun, car·bon di·ox·ide, /daɪˈɒksaɪd/ (biochemistry) An inorganic compound, with the... Read More
Nastic movement
Definition noun, plural: nastic movements The non-directional movement (of plants) in response to a stimulus (e.g. humidity,... Read More
Plant Water Regulation
A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More
Transudation
Definition noun (1) The act, process, or condition of transuding, i.e. the oozing or passing gradually of a liquid possibly... Read More