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they know because they can look at different changes in the object of study/story/subject in which they are studying and calculate what the changes are and how long these changes have taken place for/over what perid of time/ for how long/ when it changed and then find out what has been happening over that time period/ frame.
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∙ 13y ago
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How do scientists know that living things have changed over time?
By looking at remainders of living beings from the remote past; for example, fossils.
Can scientists learn new things over time?
Yes
How our understanding of DNA and inherited has changed over time?
it was developed by many scientists over many decades. *apex*
What best describes how our understanding of DNA and inherited traits has changed over time?
It was developed by many scientists over many decades.It was developed by many scientists over many decades.
How has our understanding of DNA and inherited traits changed over time?
it was developed by many scientists over many decades. *apex*
Scientists know how groups of animals changed over time by studying information contain in the?
Fossil Succession
Why is evolution by natural selection called a theory?
Scientists use it to describe how organisms have changed over time.
How do scientists know that Earth's climate has changed over time?
They do this by a really simple 'process' known as Observation; this involves measurement of parameters over Time and many Calculations.
Which best describes how our understanding of DNA and inherited traits has changed over time?
(Apex Learning) It was developed by many scientists over many decades.
What are two things that scientists learn from the fossils record?
The fossil record provides evidence about the history of life and past environment on earth. The fossil record also shows that different groups of organism have changed over time.
Has the hubble telescope changed over time?
Yes it has. there is high tech things added to it.
How has anemometers changed over time?
how the anemometer changed over time
