Answer: a cell wall
Explanation: a cell wall is a barrier that protects the plant cell. Animal cells do not need this becuase they have a cell membrane which also protects the cell.
Some ways in which communicable diseases spread are by: physical contact with an infected person, such as through touch (staphylococcus), sexual intercourse (gonorrhea, HIV), fecal/oral transmission (hepatitis A), or droplets (influenza, TB) travel through the air, such as tuberculosis or measles.
Answer:
A trust me.
Explanation:
are you functional adaption is an adaption that helps an organism survive in a certain environment, typically altered by a physical stimuli, dietary changes, or injury.
External stimulus. The rain is something out of your control while you're waiting. Rain is not something you are doing nor is it a response to you waiting for the bus.
Answer:
okay............................
Explanation:
I guess
