39 results found

Search Results for: era

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Era

Era (Science: abbreviation) evoked response audiometry. a system of chronological notation computed from a given date as... Read More

Life

Life Definition Life is a characteristic of a living organism that distinguishes the latter from a dead organism or a... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Epoch

Epoch 1. A fixed point of time, established in history by the occurrence of some grand or remarkable event; a point of time... Read More

Taxonomy

Taxonomy Definition The term "taxonomy" was developed from two Greek words, "taxis," meaning arrangement, and "nomia,"... Read More

Primitive Animals

Incorrect taxonomic classifications deemed organisms to be either animals or plants, in the Plantae or Animalia kingdoms... Read More

The Evolutionary Development of Multicellular Organisms

The beginning of the Cambrian era saw a widespread arrival of multi-cellular organisms, particularly in the form of sponges.... Read More

Microbe

Microbe Definition What is a microbe? How do we define microbes?  Microbes refer to microorganisms that cannot be seen by... Read More

Human

Human Definition A human is a bipedal hominin characterized by having a higher and vertical forehead compared with earlier... Read More

Net primary productivity

In order to keep the biosphere running, different organisms play different roles and functions. Some help in oxygen... Read More

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Last universal ancestor

Definition noun The hypothetical primordial organism from which all other species of organisms on Earth... Read More

Survival of the fittest

When we talk about evolutionary processes, the usage of the phrase "Survival of the fittest" has been very common in... Read More

Simian

Definition noun, plural: simians Any of the placental primates, particularly hominins, apes and... Read More

Plant cell

Plant Cell Definition A plant cell refers to any cell of a plant. It is the structural and functional unit of plants. Plant... Read More

Catarrhine

Definition noun, plural: catarrhines Any of the primates belonging to the parvorder Catarrhini, characterized by having the... Read More

Ichthyology

Definition noun A branch of biology concerned primarily with the study of fish Supplement Ichthyology is the scientific... Read More

Helminthology

Definition noun A branch of zoology that particularly deals with the helminths, particularly the parasitic... Read More

Arthropods

There are over two million species of arthropods, who initially arrived on Earth in the middle of the Cambrian period.... 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

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

Prosimian

Definition noun, plural: prosimians Any of the primitive, nocturnal primates, such as lemurs, lorisoids, haplorrhine... Read More

Primate

Definition noun, plural: primates Any of a group of placental mammals, particularly the prosimians and the... 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

Totipotent

Totipotent Definition What is totipotent? In general terms, totipotency is defined as the ability of a single cell to... 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

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Platyrrhine

Definition noun, plural: platyrrhines Any of the small to mid-sized primates belonging to the pavorder Platyrrhini,... Read More

Vector

Vector Definition When one thinks of vectors one may think of many different things. This is because a vector can be... Read More

Silurian

silurian (Science: geology) Of or pertaining to the country of the ancient silures; a term applied to the earliest of the... Read More

Analogous

In evolutionary biology, the meaning of analogous is “having similarities in functions but different evolutionary... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Enter

Enter 1. to come or go into; to pass into the interior of; to pass within the outer cover or shell of; to penetrate; to... Read More

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

Ore

ore 1. The native form of a metal, whether free and uncombined, as gold, copper, etc, or combined, as iron, lead, etc.... Read More

Tertiary

tertiary 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. 2. (Science: chemistry)... Read More

Takahē (Porphyrio hochstetteri)

By: Maria Victoria Gonzaga Previously, we've seen the different animals endemic to New Zealand. Due to the... Read More