Search Results for: run
Truncus sympathicus
Definition noun Latin for sympathetic trunk: the paired strands of nerve fibers that run from the base of the skull to the... Read More
The Water Cycle
The water cycle (sometimes referred to as the hydrological cycle) is the continuous transfer of water from air, sea land and... Read More
Replication
Replication, in the general sense, is to create a copy or a duplicate. Thus, in biology, replication is commonly associated... Read More
Carbon fixation
Carbon Fixation Definition We know that the earth contains many elements. The periodic table shows us just how many... Read More
Antecubital fossa
Antecubital Fossa Definition The antecubital fossa or the cubital fossa is the triangular-shaped hollow depression between... Read More
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... 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
Physical Development in Humans
The Newly Born Child Depending on the nutrients available to the child within pregnancy and the genetic makeup of the... Read More
Plant sets off “SOS” for plant defense when it gets hurt
When herbivore, such as an insect, nibbles a plant leaf, the plant sets off an "SOS" or distress signal as one of the... Read More
Dna sequence analysis
Dna sequence analysis (Science: molecular biology) determination of the nucleotide Sequence of a length of dna. Typically,... Read More
Freshwater
Relating to or living in or consisting of water that is not salty; freshwater fish; freshwater lakes.Water that possesses... Read More
Pollution in Freshwater Ecosystems
As with all ecosystems, the existence and operations of human society inevitably have an effect on the way of life in a... Read More
Penis erection of the
penis, erection of the When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora... Read More
Genetic drift
Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... Read More
Still Freshwater & Plants
Plants in the freshwater community provide a means of food for herbivores and harness new energy into the community as a... Read More
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
Genetic diversity
Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More
Deoxyribonucleic acid
Deoxyribonucleic Acid (DNA) Definition A nucleic acid refers to any of the group of complex compounds made up of linear... Read More
The Dinosaurs
Everyone has heard about the dinosaurs. No doubt one of the reasons why is because of their size, another being the fact... Read More
Nervous tissue
Nervous Tissue Definition Nerve cells (or neurons) and their associated cells, such as neuroglia cells, make up nervous... Read More
Strap muscles
Definition noun A group of strap-like muscles just below the hyoid bone and run along the neck and onto the... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Endosymbiotic theory
A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More
Diphyllobothrium latum
Definition noun Fish tapeworm that infests the intestine of its mamalian (including human) host Supplement Diphyllobothrium... Read More
Primitive Animals
Incorrect taxonomic classifications deemed organisms to be either animals or plants, in the Plantae or Animalia kingdoms... Read More
Afrotropical realm
Definition noun A biogeographic realm that covers Trans-Saharan Africa and Arabia Supplement Biogeographic realms are... Read More
Dense irregular connective tissue
Dense Irregular Connective Tissue Definition Dense irregular connective tissue is one of the two major types of dense... Read More
Polynucleotide
Definition noun plural: polynucleotides pol·y·nu·cle·o·tide, ˌpɒlɪˈno͞o′klē-ə-tīd A biopolymer comprised of... 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
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Definitive host
Different Biological Relationships The biological world is interconnected whether we notice it or not. All the life forms... Read More
