Changes in communities

pioneer species break down rocks forming the beginning of

two examples of pioneer species are ________ and _________

• lichens and mosses

• grasses and trees

• apples and bananas

• sunflowers and daisies

A lichen is a combination of ______ and algea

• grass

• lichen

• mosses

• soil

draw a mushroom

A forest fire is an example of -_________ successin

There are two types of succession

• primary and secondry

• first and last

succession is the series of changes that occur in an area

• true

• false

does secondary and primary succession differ

• yes

• no

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

or words to make the statement true.

_________________ 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

_____________The first species to populate an area are called primary species.