Population , we breath , you breath CO2 is increasing , so stop breathing and die somewhere lol. (ok just kidding)
D. Ligaments are strong and flexible bands of connective tissue that holds bones together meeting at a point known as joints. The first option - tendons - is also a connective tissue but they attach muscle to the bone.
I am pretty sure the answer you're looking for would be Analog
I hope this helps:) Have a great day!!
Answer:
Biología celular o citología: rama de la biología que se centra en el estudio de la estructura y función de las células. Biología del desarrollo: es la rama que analiza cómo es el desarrollo de los seres vivos desde que se conciben hasta que nacen.