Class Notes (838,386)
Canada (510,872)
Lecture 19

Lecture 19 - Survey of Invertebrates

2 Pages
116 Views
Unlock Document

Department
Earth Sciences
Course
Earth Sciences 1083F/G
Professor
Cameron Tsujita
Semester
Fall

Description
Lecture 19Survey of Invertebrates y How do you make a metazoan o Starts with a single protista eg amoebas y Phylum Protista o Importance of chaonoflagellatesProtists with a collared cells and a flagellum for movementSome chaonoflagellates form colonies all members of the colonies move their flagella to generate a current to extract food y Phylum Porifera Sponges o Single layer of tissue with collared cells o A larger integrated structure supported by rigid spicules or organic tissue o Differentiation of cells required the evolution of Hox Genes o Similar to some Ediacaran animals o Show fractal organization y Phylum CnidariaCoelenterata o Second major body of metazoan body plan o 2 layers of tissue endoderm and ectoderm o Probably resulted from folding in of ectoderm o Eg jellyfish coral y Bilaterans o Most complex met
More Less

Related notes for Earth Sciences 1083F/G

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