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A lot of tissue is the same colour and density: have you ever look at glass under water, it is much the same thing. Staining things makes different things take on colour and they can be seen much more clearly. I believe the first medical staining was done by Doctor Erhlich in working with the tuberculosis bacterium.

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Do biologists use pedigrees to create a cladogram?

No, biologists use pedigrees to trace the inheritance of traits within a family or population. Cladograms are used to show the evolutionary relationships and common ancestry among different species or groups of organisms.


Why do biologist classify?

Biologists classify organisms to organize and make sense of the vast diversity of life on Earth. Classification helps in identifying relationships between different species, understanding evolutionary history, and predicting an organism's traits and behaviors based on its classification. It also provides a common language for biologists to communicate about different organisms.


What word do biologists use when they mean descent with modification?

Biologists use the term "evolution" when referring to descent with modification, which encompasses the changes in inherited traits of a population over successive generations.


How do biologists use DNA and RNA to help classify organisms?

DNA and RNA shows how similar or different the organisms are, so you can group them into categories based on how similar they are to one another.


What is a biological field?

A biological field is for biologists, they use nature as a laboratory and combine the principles of biology, the physical sciences and mathematics to study the diversity and interactions of plants, animals and microorganisms in their natural environments. Thus, field biologists include ecologists, zoologists, botanists, population biologists, taxonomists, physiologists, wildlife and fisheries biologists, microbiologists and others.

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When do biologists use math?

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Do marine biologists use math?

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Do biologists use endoplasmic reticulum?

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What tools dose a Biologists use?

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Why do biologist classify?

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What can biologists learn from the different layers of rock in the Earth?

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