Jellyfish: what are they and what types are there?
Here we explain what jellyfish are, if they sting or not, among other curiosities about one of the most elegant marine animals.
invertebrates
How many hearts does an octopus have?
The octopus is an extraordinarily surprising animal. Here we tell you curiosities about him, such as how many hearts an octopus has.
What are Sponges or Porifera and their Characteristics
Sometimes it can be thought that the more sophisticated and complex a system is, the longer it lasts and the greater its performance...