-
22 BCE
water cycle
with plants producing air into the atmosphere it also helps regulate to water cycle -
21 BCE
pollutants
keeps air fresh -
20 BCE
Air
they convert carbon dioxide into air for us to breath -
19 BCE
bring more rain
brings a higher chance of rain so it can continue to help the environment -
18 BCE
cool the earth
provides the earth with a cool environment -
17 BCE
keeps soil fertile
keeps soil fertile for life -
16 BCE
Soil protection
-
15 BCE
kills other species
kills other species so it can continue -
14 BCE
Diseases
spreads disease to other living organisms -
13 BCE
Plants take over land
all land is covered -
12 BCE
all different types of plants separate
all different types of plants separate like vascular and nonvascular -
11 BCE
food breaks free
food breaks free and spread more plants for them to grow from -
10 BCE
continues to grow into forests
200 million years ago -
9 BCE
moss starts to grow
400 million years ago -
7 BCE
start of plant life