Word Bank: extinction, Natural selection, Random mutation, fitness, Favorable traits, reproduction, adaptation, environment A million years of natural selection has occurred.
1. EXPLAIN how much different the most recent birds are from the original birds? Compare the original 3 birds to the birds that remain in the 3 environments.

a. How are they the same?
b. How are they different?
c. Why did these changes happen?
2. How does natural selection explain the changes?​

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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