The Permian extinction killed approximately ____ of all marine invertebrate species

a. 54%
b. 66%
c. 70%
d. 83%
e. 96%


e

Environmental & Atmospheric Sciences

You might also like to view...

Which gas, contributed in part by burning fossil fuels, is used by scientists as an indicator of future global warming?

A) CO2 B) nitrogen C) oxygen D) hydrogen

Environmental & Atmospheric Sciences

By the end of the Permian, small mammal-like reptiles, called ____________________, evolved from the pelycosaur

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Earthquakes and volcanoes are both phenomena produced by the:

A) atmosphere. B) hydrosphere. C) biosphere. D) geosphere.

Environmental & Atmospheric Sciences

Which of the following is secreted by the kidneys?

A) angiotensin B) angiotensinogen C) renin D) none of these

Environmental & Atmospheric Sciences