porotcists, bacteria and viruses

What is a protoctist

an organism that doesnt fit into animal, fungi or plant category.

properties of protoctist

unicellular

some are like plants

some are like animals

properties of bacteria

unicellular

no nucleus

contain plasmid

contain circular DNA

some can do photosynthesis

some feed off of dead matter.

properties of viruses

They need a host to live

rerproduce inside living cells

structure of protoctist

nucleus

cell membrane

cell wall (sometimes)

chloroplast (plant related cell)

mitochondria

ribosome

cytoplasm

structure of bacteria cell

circular DNA

plasmid

cell wall

cell membrane

cytoplasm

ribosome

structure of virus

envelope protein

protein coat

capside

genome

why are viruses not classified as a living thing

because they need a host to live, if they don’t they won’t independently full tick the characteristics of living organism.