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Search Results for: planet

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

Zoology

Zoology Definition Zoology is an ever-evolving branch of Biology dealing with the members of the Kingdom Animalia. It... Read More

Population

Living organisms typically prefer to live, grow, and survive in groups. Except for some species that prefer solitude - both... Read More

Geological Periods

Precambrian Times (Most Ancient) All time before life existed, Earth was still a volatile environment, though the origins... 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

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

Anther

The floral diversity on this planet is huge. And if you peep into the sub-category of angiosperms among this floral... 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

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

Carrying capacity

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

Plankton

Plankton is a diverse group of typically microscopic, aquatic organisms suspended in the water column and rely on water... Read More

Great Oxygenation Event

Great Oxygenation Event Definition The Great Oxygenation Event is defined as the surge of dioxygen (O2) levels in the... Read More

Satellite

satellite 1. An attendant attached to a prince or other powerful person; hence, an obsequious dependent. The satellites of... Read More

Metabolism

Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More

Primitive Animals

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

Extraterrestrial

Definition adjective (astronomy) Of, pertaining to, relating to, or occurring beyond the earth's... Read More

Revolution

revolution 1. The act of revolving, or turning round on an axis or a center; the motion of a body round a fixed point or... Read More

Why Is The Mary River Turtle Endangered

The Mary River Turtle  (Elusor macrurus) has been named recently as one of the species on the brink of extinction. That is... Read More

Botany

Botany is a highly diverse subject that encompasses several aspects of plants. When the question pops up, “what is a... Read More

Venus

venus 1. The goddess of beauty and love, that is, beauty or love deified. 2. (Science: anatomy) One of the planets, the... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Muscles of the Apes – a thwack on human muscle evolution

Summary: A recent finding suggests that apes do have the muscles for bipedalism, vocal communication, and facial... Read More

Biogeography

Biogeography (Science: study) The study of the distribution of different species of organisms around the planet and the... Read More

Adaptive Radiation

Reviewed by: Mary Anne Clark, Ph.D. When Charles Darwin was in the Galapagos Islands, one of the first things he... Read More

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

Biotic factor

Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More

Polyploidy

Reviewed by: Mary Anne Clark, Ph.D. Polyploidy Polyploidy is defined as the state of being polyploid, which... Read More

Abiotic factor

An abiotic factor is a non-living element of the environment that influences the way organisms and ecosystems function. Some... 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

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

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More

Insects

To learn more about arthropods, look at the previous tutorial. The Class Insecta of the Arthropoda Phylum is by far the... Read More

The Origins of Life

This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the... 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

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

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

Vortex

vortex Origin: L. Vortex, vertex, -icis, fr. Vortere, vertere, to turn. See Vertex. 1. A mass of fluid, especially of a... Read More

Early Mammals on Earth

By the time the dinosaurs were extinct 65 million years ago, the world's landmass had split up into more or less the... 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