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How do scientists find out about extinction?
They find fossils inside their bum
Why did scientists use trilobites as index fossils?
Trilobites were rapidly evolving and widespread organisms, making them ideal index fossils.
Why is zebrafish used in scientific research?
Zebra fish are used in scientific research for finding the functions of genes n vertebrate. Scientists have learned that they can learn a lot about functions of human genes by examining the genes of simpler organisms.
What can scientists not learn from fossils?
While fossils provide an astonishing window into the prehistoric world, they also possess their limitations. From them, scientists can't ascertain the exact coloration, behavior, or vocalizations of extinct creatures. The soft tissues, such as skin and organs, often decay, leaving behind only hard structures like bones or shells. Furthermore, the emotions or social structures of these past creatures remain subjects of speculation. Fossils, though enlightening, can only unveil a fragment of the story.
What do you call people who study human fossils?
These scientists are called anthropologists.
What have scientists learn from clam fossils?
like you
Scientists learn the origins of ancient peoples by examining what?
Their DNA
What scientists learn from examining rocks that arrive on earth?
Geologists.
What kinds of evidence do scientists use to study early migration?
Scientists use a variety of evidence to study early migration, including genetic analysis of modern and ancient populations, archaeological artifacts, isotopic analyses of human remains to trace diet and geographic origin, and studies of ancient pollen and plant remains to reconstruct past environments. By combining these different lines of evidence, scientists can piece together the story of how humans migrated and settled around the world.
What can scientists learn from the rate at which radioactive elements decay?
fossils
What has the study of fossils allow scientists to do?
Learn about the earth's past.
What do scientists study to learn more about early humans?
Scientists study fossils, ancient tools, and DNA to learn more about early humans. By comparing and analyzing these sources of evidence, scientists can piece together information about the behavior, lifestyle, and relationships of our ancestors.
In addition to fossils how can scientists learn about an organisms ancestor?
Aside from fossils we can learn about organisms and how they have changed over the years by looking at the plants and animals we have today.
Is it difficult for scientists to learn about earths past environments by studying fossils?
false
What things can scientists study to learn about ancient animals?
Their bone structure from fossils and their morphology
How do scientist learn about plants that are extinct?
Scientists learn about plants that are extinct by studying their fossils. These fossils will often preserve a plant's remains very well.
How do scientists use similarities in early development as evidence for evolution?
By examining fossils and by determining their relative and absolute ages, scientists have collected evidence that supports the theory that species changed over time.
