Definition of Species in Biology

A species can be defined as a group of organisms that can breed with one another in nature and produce fertile offspring.

At school, the load is growing, and even more unassimilated sections need to be tightened up in those subjects that will have to be passed in exams. Stress has been shown to negatively affect health. Rapid heartbeat, frequent headaches, insomnia, uncontrolled appetite, or lack of it – this is not a complete list of chronic stress. It is much more dangerous when there is labored breathing, panic attacks, hand tremors … ⠀
⠀