3.3.1 Flashcards
1
Q
How are the total number of species worldwide measured?
A
Using mathematical models
2
Q
Why are estimates of the total number of species on Earth so varied?
A
Estimates of the total number of species on Earth are varied due to classification issues and a lack of finance for scientific research, resulting in many habitats and groups being significantly under-recorded.
3
Q
What is the latest estimate of the total number of eukaryotic species on Earth?
A
8.7 million, give or take 1.3 million
4
Q
What is a major reason why we can’t get an accurate count of the total number of species on Earth?
A
There are a bulk of the things that have yet to be discovered and described are in the realm of the very small: insects, bacteria, and other microbes.
