44 results found

Search Results for: limits

Density dependent limiting factor

What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More

Limiting factor

Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... 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

Viable

Viable definition In biology, the word viable pertains to a life form, such as a cell, that is alive or capable of... Read More

Density dependent factor

Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Recalcitrant

Several words of the English language find wide usage in subjects as diverse as literature, science, social science,... Read More

Viability

Whether we talk about “a travel plan” or “a science experiment” or “the chances of a pregnancy reaching its... Read More

Population Growth and Survivorship

By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... 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

Limitation

1. The act of limiting; the state or condition of being limited; as, the limitation of his authority was approved by the... Read More

Y linkage

Definition noun, plural: Y linkages (genetics) A form of sex linkage involving particularly the Y chromosome Supplement Sex... Read More

Intercalary meristem

The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More

Body fluid

Body Fluids Definition What is body fluid? Literally, body fluid is the fluid of the body. The adult human body is ~50-60%... Read More

Human milk oligosaccharide

Definition noun plural: human milk oligosaccharides An oligosaccharide that occurs in high concentrations and exclusively... Read More

Lacuna

Definition of Lacuna What is lacuna? The word "lacuna" (noun, plural: lacunae) is derived from the Latin word- 'lacus',... Read More

Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Shelfords Law of Tolerance

Definition noun It is a law stating that a certain organism’s survival and existence depend upon the multifaceted set of... Read More

Non-sustainability

Non-Sustainability Definition Non-sustainability is the state in which human consumption or activities exceed the ability... 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

Feedback mechanism

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

Primary productivity

Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Simple squamous epithelium

Simple Squamous Epithelium Definition Simple squamous epithelium, also known as simple squamous epithelial tissue or... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Sarcolemma

Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More

Phosphate

Phosphate is an essential inorganic compound composed of a phosphorus atom bonded to four oxygen atoms. This molecular... Read More

Forest

Forest 1. (Science: ecology) An extensive wood; a large tract of land covered with trees; in the united states, a wood of... Read More

Terms

Definition noun, plural: terms (biology) (1) The end of the normal gestation period or point at which birth is... Read More

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Delimitation

Delimitation marking off; putting bounds or limits; preventing the spread of a morbid process in the body or of a disease in... Read More

Progeny

Progeny Definition Progeny means an unmodified descendant from the material, such as a cell from a cell or an organism from... Read More

Inbreeding

Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... 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

End-point nystagmus

End-point nystagmus a jerky, physiologic nystagmus occurring in a normal individual when attempts are made to fixate a point... Read More

Vascular plants

Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More

Biotic potential

When we look at the different forms of life, we often wonder how they have continued to exist one generation after another.... Read More

Alanine

What is alanine? Alanine is a non-essential amino acid. There are two types of amino acids for mammals namely essential and... Read More