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How do scientists know that organisms have changed over time?

Scientists use evidence from the fossil record, comparative anatomy, DNA analysis, and observations of natural selection to understand how organisms have changed over time. By studying these pieces of evidence, scientists can track the gradual changes in species over generations, providing strong support for the theory of evolution.


How have organisms have changed over time?

Organisms have changed over time through a process called evolution, where genetic variations arise and those that provide a survival advantage are passed on to future generations. Environmental pressures and natural selection drive these changes, leading to the diversity of life we see today.


How has nature changed over time?

Nature has changed over time primarily due to human activities such as deforestation, pollution, and climate change. These activities have led to loss of biodiversity, degradation of ecosystems, and increased global temperatures. It is important to prioritize conservation efforts and sustainable practices to protect and restore nature for future generations.


A student wants to do scientific research on how aquatic plants in lakes have changed over time what field of science does this research mostly involve?

This research would mostly involve the field of ecology, specifically aquatic ecology. The student would be studying the interactions between aquatic plants and their environment in lakes over time to understand how and why these plants have changed.


How can we use the word evolution in a sentence?

Scientists study the process of evolution to understand how species have changed and adapted over time in response to their environment.

Related Questions

What components of the earth have changed the least over time?

Components of the earth that changed the least over time include the earth's crust and mantle and the structure of the earth's interior. Other structures that have changed very little include the components of the atmosphere.


What winter sport has changed the least over time?

Cross country skiing.


What has the author Harold Henry Plough written?

Harold Henry Plough has written: 'Effect of temperature on crossing-over in Drosophila'


What happens if you run over an armadillo?

It will probably kill the animal or, at the very least, seriously injure it.


How has the word billion changed over the years?

Probably, almost every word in our language has been changed at one point or another and some have been adopted from other languages.


What is the least expensive animal protein food?

probably tuna gram per gram over chicken


How many bags of rice weigh at least 1 over 2 pounds?

There are probably millions of such bags.


What does the name Smyra mean?

it does not mean anything it was probably changed over time from a word with a meaning to something similar that means nothing


How has anemometers changed over time?

how the anemometer changed over time


1987 Kawasaki 454 Ltd wont turn over after changing handlebars checked the wire and changed the battery?

the motor is probably seased......


How many songs does Michael Jackson have altogether?

over a thousand at least that my mom says and she know probably more than that


How has wave rock changed over the years?

Wave rock has changed over the years because it has changed colour