Unit 6 Study Guide
Flashcard
•
Biology
•
7th - 9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Fossil Record?
Back
The Fossil Record is a timeline of life on Earth developed by scientists through the collection of millions of fossils of different organisms.
2.
FLASHCARD QUESTION
Front
What caused the finches on the Galapagos Islands to have different beaks than those on the mainland?
Back
The finches on the Galapagos Islands had different beaks due to the availability of different types of food on the island.
3.
FLASHCARD QUESTION
Front
What is Natural Selection?
Back
Natural Selection is the process where organisms that are better adapted to their environment survive and reproduce more successfully than those less adapted.
4.
FLASHCARD QUESTION
Front
Which layer of rock is the youngest?
Back
Layer 1 is the youngest.
5.
FLASHCARD QUESTION
Front
What is a species?
Back
A species is a group of organisms that look alike and can reproduce among themselves.
6.
FLASHCARD QUESTION
Front
What is the theory of evolution?
Back
The theory of evolution explains how species change over time through processes like natural selection and genetic variation.
7.
FLASHCARD QUESTION
Front
What is mutation?
Back
A mutation is a change in the DNA sequence of an organism, which can lead to new traits.
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