Asked by Allison Brown on May 30, 2024
Verified
What percentage do biologists estimate is the portion of all species that ever lived which are now extinct?
A) 39%
B) 59%
C) 79%
D) 99%
Species Extinct
A status where a particular species no longer exists anywhere on Earth.
- Discriminate among the phenomena of background extinction, mass extinction, and extinctions resultant from human actions.
Verified Answer
JM
Jordan MarderJun 03, 2024
Final Answer :
D
Explanation :
Biologists estimate that about 99% of all species that ever lived on Earth are now extinct. This highlights the vast number of species that have existed over the planet's history and the natural process of extinction.
Learning Objectives
- Discriminate among the phenomena of background extinction, mass extinction, and extinctions resultant from human actions.
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