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Overview of Chirology

Psychodiagnostic Chirology (PDC) is a comprehensive diagnostic discipline applied by professional behavioral specialists in... Read More

Scared to Death

Scared to Death: Self-Willed Death, or the Bone-Pointing Syndrome   by Patrick D Hahn   Accepted on: September 4,... 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

Heterotroph

Heterotroph Definition What is a heterotroph? Does a heterotroph make its own food? In biology and ecology, a heterotroph... Read More

Autosome

Autosomes can be described as the non-sex chromosomes that play diverse roles in the human body like harboring genes for the... Read More

Leukocyte

Leukocytes, also called the white blood cells (WBCs), inhabiting our immune system are the cells that exhibit astonishing... Read More

Regeneration in humans – Finding the gene switch

Regeneration in humans is much more limited compared in other animals. Say for instance when one lost a limb, much as well... 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

Hypotonic

Hypotonic Definition Hypotonic is a term used to describe an entity being in the state of hypotonicity. Hypotonicity refers... Read More

Remove

remove 1. To move away from the position occupied; to cause to change place; to displace; as, to remove a building. Thou... Read More

Ameranthropoides loysi

"Ameranthropoides loysi" (otherwise known as de Loys' Ape) is the unofficial name for a large primate supposedly... Read More

Oxidation

Oxidation Definition How do we define oxidation? There are several definitions of the oxidation process. Oxidation can be... Read More

Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Hypothesis

What Is Hypothesis? A scientific hypothesis is a foundational element of the scientific method. It's a testable statement... Read More

Producer

Producer Definition Producers are organisms that can produce organic matter using an external energy source. They include... 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

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More

Omnivore

Organisms need to eat food in order to gain energy and survive in the ecosystem. Often, living things are categorized by how... Read More

Phospholipid

What is a phospholipid? Phospholipids are a subgroup of lipids. Other major types of lipids are fatty acids, sphingolipids,... Read More

Sister chromatids

Sister Chromatids Definition Sister chromatids are defined as the two identical copies of a single replicated chromosome... Read More

Codon

What does codon mean? A codon, in biology, is the basic genetic unit of life that acts as the template for the amino acid... Read More

Independent Assortment

Independent Assortment Definition Independent assortment refers to the alleles or genes that sort into the newly formed... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Disruptive Selection

An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More

Anticodon

The anticodon is a special code on tRNA that matches up with the instructions on the mRNA thus making sure that the... Read More

Tight junction

What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More

New Zealand’s Biodiversity

Written by: Maria Victoria Gonzaga Peer-reviewed by: Cathy Buntting, Ph.D. and Andrea Soanes Why is New... Read More

CRISPR DIY – biohacking genes at home

Have you ever thought of changing yourself for the better -- genetically-speaking? Lately, CRISPR company has been selling a... Read More

A New Theory on the Origin of Animal Multicellularity

Multicellular life, purportedly, started around 600 million years ago. From single-celled, certain organisms eventually... Read More

“Mutualism factor” could explain why body does not attack normal flora

When sadness reeks in and you feel as if you are all by yourself, think again. That is because you are never alone. As a... Read More

Why Non-Human Primates Don’t Speak Like Humans

Summary: Why are non-human primates unable to speak like humans? A widely-accepted theory associated it with their lack of... Read More

The Evolution of Cell Organelles

The previous tutorial page noted the emergence of protists, organisms that possessed a distinct cell nucleus and contained... 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

Apomixis

Apomixis Definition Just like any other organism, the process of reproduction is pivotal to the life cycle of plants. There... Read More

Non-living thing

Non-living Thing Definition A non-living thing in biology means any form without a life, such as an inanimate body or... Read More

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

Aerobic bacteria

Aerobic Bacteria Definition What does aerobic mean in biology? As the name suggests, 'aerobe' in biology means organisms... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Anaerobic

As largely known are the subset of biological processes that are directly correlated to the ‘usage of molecular oxygen’,... Read More

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More