What does parasitism mean?

It basically means when a parasite is living inside of another organism that causes harm to the host.

Explanation:

I hope this helps:)))

There is multiple definitions based of the dictionary but it generally mean "infestation by a parasite" or " the practice of living as a parasite in or on another organism".

Explanation:

Like going into or onto something, and taking over; Like how a parasite makes its way into already owned home, and taking over the host.

Hope this helps!

its the cell wall and the they are unique to plant

what's the question ?