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Which index fossil organism had three body segments?
scaphite
Organism that formed index fossils when?
Short spans of geologic time
When was pasteurisation invented?
1864
What was pasteurize named after?
PASTEURISATION
Why is immediate cooling is necessary after pasteurisation?
Pasteurisation does not kill all bacteria in the milk. Some bacteria are not killed in the heating process and will start to multiply again after pasteurisation. Cooling after pasteurisation is needed in order to limit the amount of bacterial growth that occurs. Bacteria reproduce very slowly in cold conditions, but very quickly in hot conditions. Cooling is the only preservative that is used after pasteurisation.
Role of enzymes on pasteurisation?
There is none
Who created pasteurisation?
louis pastuer
What is the difference between trace fossil and index fossil?
A trace fossil is one that merely indicates that an organism left evidence of its existence. Some examples would be burrows or footprints that appear in sedimentary rock. An index fossil is of an organism that dates to a particular time in the geologic record, the organism only appearing in a certain segment of that record. Index fossils are indicators of the age of the rock in which they are found.
What must be true for a fossil organism to be useful as a index fossil?
The absolute age of the index fossil was determine by radioactive dating or another absolute method
What is the origin for the word pasteurisation?
louis pasteur
What agricultural products were used in pasteurisation?
Milk
Can pasteurisation method kill endospores?
yes
