with virulent parasites
qwetwgrgrgheh
Tractors
Unstable
.
Pioneer species begin the process of succession.
An ecosystem is unstable because all the organisms are connected. This makes it unstable because if one organism dies then it can cause others to die.
well, I guess not
qwetwgrgrgheh
Tractors
Unstable weather patterns
Unstable
grass
Tractors
Tractors
Tractors
Tractors
Unstable means that something is likely to move or change.