Changes in communities

pioneer species break down rocks forming the beginning of

(a)  

two examples of pioneer species are ________ and _________

A lichen is a combination of ______ and algea

draw a mushroom

A forest fire is an example of - (a)   successin

There are two types of succession

succession is the series of changes that occur in an area

does secondary and primary succession differ

f the statement is true, write true. If the statement is false, change the underlined word

or words to make the statement true.

(a)   After a long time, a mature community is established and this

community does not change unless it is disturbed

f the statement is true, write true. If the statement is false, change the underlined word

or words to make the statement true

(a)   The first species to populate an area are called primary species.