need options so i cant answer
Alot of humans might not now they are even harming the systems by smoking or littering.
A cell membrane is compared to a window screen because of its translucent properties. Like it allows oxygen to come through or it resists invader who tries to come into the cell.
Your answer is Cell membrane.
In Unicellular-reproduce organisms while Multicellular-repairs
dead or damaged cells. They both help
develop and grow. in the multicellular
this organism is made up of 2 or more cell they can be made up to trillion if
cells, it is much more complex than the unicellular. They reproduce asexually and the cells cannot
live outside the organism, they perform specialized functions an example:
nerves.
