Biology

Did you know that planet Earth is more than 4,500 million years old? Yes, a long… Read More »Mass extinctions: what are they, causes and what are they

Throughout history, the Earth has experienced several species extinctions. When we talk about extinctions, often the… Read More »Extinction of species: what it is, causes and consequences

Many scientists assure that we are facing the sixth mass extinction: throughout the history of… Read More »Invasive species: what are they, examples and consequences

The trophic chain or food chain is a mechanism in which there is a transfer of organic… Read More »Quaternary consumers: what they are and examples

Ferns are one of the first plants that appeared on our planet, so they have… Read More »How ferns reproduce

Living beings and biogeochemical cycles, activated by solar radiation, are closely dependent on the ecosystem… Read More »Biogeochemical cycles: what are they, types and importance

In addition to its well-known environmental or merely aesthetic value , there are many other reasons to bet… Read More »12 unexpected reasons to build green roofs

The diversity of species that we know today is the result of successive evolutionary processes… Read More »Biological species: what it is, characteristics and examples

In nature, the relationships between each and every one of the different species of organisms… Read More »Parasitism: definition and examples

With the recent worldwide spread of the coronavirus (COVID-19 or 2019-nCoV) , there are more and more… Read More »Are viruses living beings?