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Plants usually decay before they form into a fossil
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∙ 11y ago
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What parts of the plants or factory does the DHC show the students on their tour?
factory
What 4 things do scientists study to find out if organisms are related?
1. DNA- test the similarity in DNA 2. Fossil Records 3. Embryology- study of embryos during development shows the traits ancestors of humans once had such as gills and post anal tails. 4. vestigal structures- structures no longer in use can show what ancestors of the organism needed
What was gregor mendels theory of heredity based on?
His observations of pea plants while gardening in his monastery. He observed that some pea traits were recessive and therefore less likely to show up through pea generations and other traits were dominant and more likely to show up through generations.
What is a deciduous color show?
Deciduous plants are those that lose their leaves in the winter. When leaf loss begins to happen, the pigments change and they present different colors. One can certainly say that they provide a deciduous color show.
Why is vegetative propagation used?
1. It is the only means of reproduction in specie's which are seedless, such as banana, figs, etc 2. It is rapid, easier and cheaper compared to seed reproduction. 3. Plants raised through vegetative propagation are exactly like the parent plant. Thus, by vegetative propagation selected vareities of various plants can be maintained without losing their desirable characters. 4. Improved varieties of useful plants can be multiplied easily.
When did the first land plants and animals appear in the fossil record?
The first plants with spores, which indicates that they were land plants, appeared in the Middle Ordovician period, about 470 million years ago. First records of tetrapods, or land animals, show up in the fossil record around 370 million years ago.
What theory agrees with fossil records that show no intermediate forms for long periods of time?
gradualism
How does Josiah Strong show that he supports the theory of evolution?
There is strong support for the theory of evolution due to fossils that have been found by archeologists. The fossil records show evidence of evolution over billions of years.
How did woolly mammoths behave?
It is thought that wooly mammoths behave much like their cousins, elephants. There are fossil records that show that they have the same social organization.
What is the sequence of lifes history as indicated by fossils?
the answer would be the fossil records. they show the "past life" of all the organisms that lived and are now fosssils. -Megan(:
What does fossil evidence show about Earth's climate?
The fossil evidence shows that the Earth's climate before had high levels of carbon dioxide. The plants that evolved consumed this carbon dioxide out of the air and formed oxygen, coal, limestone, and other fuels.
Fossil that show how long dead animals change their environment?
trace fossil
Does the Amazon river flow east or west?
It currrently flows east, but fossil records show that it most likely flowed west millions of years ago. -srp
Show picture of a cast fossil?
cast are sunk in
What do unconformities show do?
unconformities show a gap in the geologic records
Is nuclear power economic?
Estimates for new stations show nuclear generating costs to be similar to new fossil fuel plants, and cheaper then wind or solar. See the paper linked below for detailed analysis.
What are some examples of Fossil Record?
One example of a fossil record is an ammonite. These fossils often show signs of damage like teeth marks that can be used to determine old predators on the sea floor. Another is an fossil depicting early man, which can be used to see how humans have evolved physically and mentally.
