Study Guides (247,959)
Canada (121,188)
Biology (1,267)
BIO3102 (98)
All (96)

Cambrian and Ordovician Crossword.doc

3 Pages
94 Views
Unlock Document

Department
Biology
Course
BIO3102
Professor
All Professors
Semester
Winter

Description
Polypthis is the sessile stage in the cnidarian life cycleRadulathe unique molluscan feeding structureCarbon dioxidethe levels of this greenhouse gas fluctuate dramatically near the end of the Proterozoic eon alternating between low levels and a frozen planet and high levelsBurrowthe Cambrian fauna were the first to do this tapped into a food resource on the oceans bottom that no one had been able to useTrilobitethis arthropod was abundant during the Cambrian and although it survived into the Ordovician it is now extinct Tubefeetthe main locomotory structures used by echinodermsFilethe radula resembles this type of tool found in a toolboxCalciuman increase in this mineral in the Cambrian oceans may explain the sudden appearance of the shelly animals in the fossils of the CambrianSnowballPrior to the Cambrian the earth is believed to be completely frozen which gives the theory explaining the phenomenon i
More Less

Related notes for BIO3102

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit