What is it called when all of the organisms of a species have died?
Evidence of Evolution

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Science
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Extinction
2.
FLASHCARD QUESTION
Front
What is the study of embryos of various organisms to show a common ancestor because of similarities in development?
Back
Embryology
3.
FLASHCARD QUESTION
Front
What are the slight differences within members of the same species called?
Back
Variations
4.
FLASHCARD QUESTION
Front
What are similar structures with different purposes found in different species known as?
Back
Homologous structures
5.
FLASHCARD QUESTION
Front
What do closely related organisms have in common regarding their DNA sequences?
Back
Very similar DNA sequence
6.
FLASHCARD QUESTION
Front
What is the term for the preserved remains or traces of organisms from the past?
Back
Fossils
7.
FLASHCARD QUESTION
Front
What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?
Back
Natural selection
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