Seed plants: classification and examples
Plants are living beings capable of reproducing and colonizing large areas in a very short… Read More »Seed plants: classification and examples
Importance of pollination
You may have heard the concept of pollination more than once, but have you ever… Read More »Importance of pollination
Do fish sleep?
Although at first glance being able to answer this question seems somewhat ambiguous, it is… Read More »Do fish sleep?
Mass extinctions: what are they, causes and what are they
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
Do sharks sleep?
With more than 500 species described today, sharks are one of the oldest animals on… Read More »Do sharks sleep?
Extinction of species: what it is, causes and consequences
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
Origin and evolution of animals: summary
The diversity and evolution of animals is directly related to the characteristics of ecosystems. As Darwin… Read More »Origin and evolution of animals: summary
Invasive species: what are they, examples 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
Where and how whales breathe
Whales are one of the most fascinating animals that we can find in seas and… Read More »Where and how whales breathe
Where and how insects breathe
Every living being, both animal and plant, must have a respiratory system that allows it… Read More »Where and how insects breathe