Speciation & Extinction Review
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is speciation?
Back
The process by which new species arise from existing species, often due to genetic divergence and environmental factors.
Tags
NGSS.HS-LS4-2
NGSS.HS-LS4-4
NGSS.HS-LS4-5
2.
FLASHCARD QUESTION
Front
What is extinction?
Back
The end of an organism or a group of organisms, typically due to failure to adapt or compete in their environment.
Tags
NGSS.HS-LS4-2
NGSS.HS-LS4-5
3.
FLASHCARD QUESTION
Front
What is background extinction?
Back
The normal rate of extinction of various species as a result of natural processes.
Tags
NGSS.HS-LS4-2
NGSS.HS-LS4-5
4.
FLASHCARD QUESTION
Front
What is mass extinction?
Back
A significant and rapid decrease in the biodiversity on Earth, often due to catastrophic events.
Tags
NGSS.HS-LS4-2
NGSS.HS-LS4-5
5.
FLASHCARD QUESTION
Front
What is the Precambrian era?
Back
The longest geological era, covering about 88% of Earth's history, before the Cambrian period.
Tags
NGSS.HS-ESS1-6
6.
FLASHCARD QUESTION
Front
What is the Quaternary period?
Back
The most recent geological time period, which began about 2.6 million years ago and continues to the present.
Tags
NGSS.HS-ESS2-4
NGSS.HS-ESS3-1
7.
FLASHCARD QUESTION
Front
What is the difference between speciation and extinction?
Back
Speciation is the formation of new species, while extinction is the complete loss of a species.
Tags
NGSS.HS-LS4-5
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