2.The blood-sucking parasites which attack the outside of the host are called __. 3.A lichen is an example of mutualism between a __ and an __.
4.__ has taken up home in the empty shell of whelks.

2.ecto parasite

3.Algae and Fungi

4.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can