New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

Life 103 Week 9

by: Caroline Hurlbut

Life 103 Week 9 LIFE 103

Caroline Hurlbut
GPA 3.7

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

These notes mark the transition from plants to animals and discusses animal diversity, key characteristics of animals, and themes in animal evolution.
Biology of Organisms-Animals and Plants
Jennifer L Neuwald; Tanya Anne Dewey
Class Notes
25 ?




Popular in Biology of Organisms-Animals and Plants

Popular in Biology

This 1 page Class Notes was uploaded by Caroline Hurlbut on Friday March 25, 2016. The Class Notes belongs to LIFE 103 at Colorado State University taught by Jennifer L Neuwald; Tanya Anne Dewey in Fall 2016. Since its upload, it has received 20 views. For similar materials see Biology of Organisms-Animals and Plants in Biology at Colorado State University.


Reviews for Life 103 Week 9


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 03/25/16
Animal Diversity & Evolution • taxon - refers to any level or entity of classification (ex. species, phylum, genus, etc.) • clade - refers to a monophyletic group • animals are metazoans • 70% of all animals are insects • Cambrian explosion of animal phyla —nearly all animals evolved during this time period • characteristics of animals —multicellular —specialized cells (nerve and muscle) —ingestive heterotrophs —move under own volition at some point in life • true animals have true tissues and are eumetazoans • themes in animal evolution —origin of multicellularity A. choanoflagellates are unicellular sister group to animals —origin of bilateral symmetry, cephalization, and the nervous system —origin of embryonic tissue layers A. diploblastic: 2 tissue layers B. triploblastic: 3 tissue layers —origin of coelom (fluid filled cavity) A. acoelomate: no coelom B. coelomate: true coelom C. pseudocoelomate: coelom not only in mesoderm —protostome vs deuterostome development A. protosome development is spiral and determinate B. deuterostome development is radial and indeterminate C. first hole formed in protostomes develops into mouth D. first hole formed in deuterostomes develops into anus —origin of segmentation A. allows for specialization of certain parts


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Jennifer McGill UCSF Med School

"Selling my MCAT study guides and notes has been a great source of side revenue while I'm in school. Some months I'm making over $500! Plus, it makes me happy knowing that I'm helping future med students with their MCAT."

Jim McGreen Ohio University

"Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.