A gland is a group of cells or an organ that connects body structures.
secretes hormones.
protects organs.
separates bones.

yay can i have brainliest

i believe it is c: genes for body color and wing size are inherited separately from each parent.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

cell/ tissue/ organ/ organ system/ body