273 results found

Search Results for: temperature

Molecular Basis of Temperature-Dependent Gender of Red-Eared Slider Turtle

Imagine a child inside a womb with a sex yet to be decided not by the pair of sex chromosomes but by the ambient temperature... Read More

Temperature Regulation in Animals

Control of Temperature in Homeotherms Animals capable of temperature regulation within a given range are deemed homeotherms... Read More

Melting temperature of dna

melting temperature of DNA --> denaturation temperature of DNA That temperature at which, under a given set of conditions,... Read More

Regulation of Organic Metabolism, Growth and Energy Balance

Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More

Temperature

Temperature (Science: chemistry) temperature is proportional to the average random kinetic energy of ideal gases. The degree... Read More

Homeostasis

Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More

Room temperature

room temperature The ordinary temperature (65? to slightly less than 80?F, 18.3? to 26.7? C) of the atmosphere in the... Read More

Temperature Regulation

The ability of an organism to regulate its internal temperature to a particular level, such as the 37n degree celsius... Read More

Maximum temperature

maximum temperature In bacteriology, denoting a temperature above which growth will not take... Read More

Minimum temperature

minimum temperature In bacteriology, denoting a temperature below which growth will not take... Read More

Environment

Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More

Freshwater Communities & Lentic Waters

Lentic (still water) communities can vary greatly in appearance, anything from a small temporary puddle to a large lake is... Read More

An introduction to Homeostasis

Researched and Written by Jonjo Minns Submitted to biologyonline.com on February 25, 2009. Published in biologyonline.com... Read More

Mesophile

Definition noun, plural: mesophiles An organism that lives and thrives at moderate temperatures Supplement A mesophile is an... Read More

Biome

Biome Definition What are biomes? There is no universal definition of biomes. But biome definition in biology of different... Read More

Heating curve

Definition noun A plot of temperature versus time, showing the amount of energy a substance has absorbed with increasing... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Abiotic and Biotic Factors

Abiotic factors are essentially non-living components that affect the living organisms of the freshwater community. When... Read More

Hyperthermia

Definition noun A condition in which the body temperature is higher than the normal range Supplement Hyperthermia pertains... Read More

Psychrophile

Definition noun, plural: psychrophiles An organism that thrives in cold temperatures, i.e. ranging from −20 °C to +10... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More

Hyperpyrexia

Definition noun An extremely high fever that is greater than or equal to 41°C (105.8°F) Supplement Hyperpyrexia is a fever... Read More

Thermometer

thermometer (Science: physics) An instrument for measuring temperature, founded on the principle that changes of temperature... 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

Stimulus

We can detect hot or cold environments using our sense of temperature. When the temperature is too hot, sweating... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or break down of the dead organism are known as... Read More

Epidermis

Epidermis Definition What is the epidermis? We can define the epidermis as one or more layers of cells forming the tough... 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

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Heat

Definition noun (1) A form of energy that is transferred from between objects due to a temperature difference; the thermal... Read More

Thermotaxis

Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Physiological Homeostasis

In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More

Climate shifts — probability of randomness

Severe climate changes during the last ice-age could have been caused by random chaotic variations on Earth and not... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Seedling

Definition noun, plural: seedlings (botany) A young sporophyte that grows from a seed; a (recent) sprout Supplement A... Read More

Iodine test

Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More