How do scientists extrapolate the total number of species on Earth?

  • A
    By counting every individual organism on Earth.
  • B
    By using statistical comparisons of species richness in well-studied groups and extrapolating to others.
  • C
    By analyzing satellite imagery of global habitats.
  • D
    By relying solely on historical fossil records.

Explore More

Similar Questions

What is the approximate ratio of animal to plant species in our country?

India has much of its land area in the $\underline {i}$ and possesses more than $\underline {ii}$ species of birds.

At the current stage,the number of species known and described in the world is in the range of ...... .

India has $.......$ $\%$ of the world's land area,its share of the global species diversity is an impressive $.......$ $\%$ .

Which of the following groups represents the minimum species diversity among vertebrates?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo