Answer:
1) Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in.
2) Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
Explanation:
For example the Burmese python were domesticated and then later became an invasive species
Answer: the answer is one
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Answer:
ped·i·cel·lar·i·a
plural noun: pedicellariae
a defensive organ like a minute pincer present in large numbers on an echinoderm.
Explanation: