How do cells, tissues, organs, and organ systems work together in a multicellular organism

Multicellular organisms cells work together to create tissues then tissues make organs then organs creat the organ systems the organ systems then creat organisms

In many multicellular organisms cells work together to create tissues,tissues create organs,organs create organ systems, and organ systems create organisms. ... Connective,Epithelial, and Muscle Tissue Connective tissue connect parts of the body together.

what is the aerea shown

explanation:

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.