Search Results for: years
Person-years
Definition The total sum of the number of years that each member of a study population has been under observation; e.g.,... Read More
Secondary succession
We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More
SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)
Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004) Introduction: It has been... Read More
Abiogenesis
Definition noun plural: abiogeneses a·bi·o·gen·e·sis, eɪbaɪəʊˈdʒɛnəsɪs (1) The idea that primitive life... Read More
The Hominids
Although humans in today's world are the most advanced species on the planet, we previously shared the exact same genetic... Read More
Biodiversity
The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More
Dead Man Walking
Dead Man Walking: Wade Davis and the Secret of the Zombie Poison By Patrick D. Hahn Accepted on September 4, 2007 Twenty... Read More
Primary succession
Primary Succession Definition Primary succession is an ecological succession where a newly formed area is inhabited for the... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
New Zealand’s Unique Geographical History
Written by: Maria Victoria Gonzaga Peer-reviewed by: Cathy Buntting, Ph.D. and Andrea Soanes New Zealand is... Read More
Living things
Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... 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
Photosynthesis
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
Mammalian Ancestors
Humans are mammals, the most successful taxonomic class of organisms to colonize the Earth. The word mammal derives from the... Read More
Endosymbiotic theory
A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More
Kingdom Animalia
Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More
Allopatric speciation
We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More
Homo sapiens sapiens
Homo sapiens What are homo sapiens? Homo sapiens is the species of all the highly developed primates on earth, a category... Read More
Demographic transition
The demographic transition model is a theoretical framework that explains the historical shift in population dynamics as a... Read More
Spontaneous generation
Definition noun plural: spontaneous generations The previously popular notion that living organisms arise or develop from... Read More
Inoculation
Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More
Biology: Concepts & Connections with Student CD-ROM (5th Edition)
Biology: Concepts & Connections with Student CD-ROM (5th Edition) ... Read More
Origins of Life on Earth
Although Earth was created around 4.5 billion years ago, life began to exist not long after. Due to the huge timescales... Read More
Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads
Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More
The Homo Species
Over the long term, it looked like Homo would supersede any ‘similar model’ of animals due to their unique tool using... Read More
Biogenesis
Biogenesis Definition Biogenesis refers to the idea or the process whereby a living thing comes from another living thing,... Read More
Primitive Animals
Incorrect taxonomic classifications deemed organisms to be either animals or plants, in the Plantae or Animalia kingdoms... Read More