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Why are the ideas that earth undergoes change and is billions of year old important for evolutionary theory?
Evolution means change over a period of time. The fact that Earth is roughly 4.5 billion years old has shown us those changes in fossil records, geography, human evolution and carbon dating. So we see Evolution happening over that time and that's what makes it not a theory but fact.
What else can I help you with?
Living things have a long history of change?
evolutionary change.
What is its does not change by a subastance undergoes a physical change?
The chemical composition of a substance does not change when it undergoes a physical change.
This is the rate at which a substance undergoes a chemical change?
This is called reaction rate.
What is Phyletic change?
Evolutionary change is a process where things change over a period of time. Such as going from a candle, to a light bulb.
What can lead scientist to change an evolutionary tree?
What can lead scientists to change an evolutionary tree?
What is the name for this type of rapid evolutionary change?
The name for this type of rapid evolutionary change is "punctuated equilibrium."
When matter undergoes physical change does density change?
no
How can volume change if a substance undergoes a chemical change?
If a substance undergoes a chemical change, its properties change. For example, water, when heated turns into a gas which has a higher volume.
Which undergoes a chemical change?
reactants
New substances are always formed when matter undergoes what?
chemical change.
when a candle is lit it undergoes a chemical change?
That is correct, a candle (or the material of which it is composed, which is usually paraffin) undergoes a chemical change when it burns.
What is called when a substance undergoes a change but its identity or composition not change?
a chemical change
