Species
What is a Species? Explained in an easy to understand way:

What's Covered in the Video:
Imagine trying to pair socks after doing laundry, where only matching socks form a proper pair. Just like how only socks that are similar enough can be paired to form a useful set, a species is defined as a group of similar organisms that can breed and produce fertile offspring. The connection here is that just as only socks that are designed to match can function together as a cohesive pair, only organisms within the same species have the right 'design' to successfully reproduce and create fertile offspring, maintaining the continuity of their species.

Practice Version

Species: A group of similar organisms that can breed and produce fertile offspring. Species. In Science, a species is a group of living things that can reproduce together and have babies that can also have their own babies.