Bio 120 - Exam 1 Questions and Answers 100% Solved | Latest Update
2 views 0 purchase
Course
Bio 120
Institution
Bio 120
Bio 120 - Exam 1 Questions and
Answers 100% Solved | Latest Update
Synapomorphy - A shared derived character or trait state that
distinguishes a clade from the other organisms.
Analagous - Having characteristics that are similar because of
convergent evolution, not homology.
Homologous - Simi...
Lophotrochozoa - ✔✔Widest range of body forms. All species contain
either a trohophore larva and/or a lophophore.
Platyhelminthes, Mollusca, and Annelida
Ecdysozoa - ✔✔Contains animals that shed their skeleton.
Nematoda and Arthropoda
Dueterostomia - ✔✔The first opening of these animals in embryonic
development is the anus.
Echinodermata and Chordata
, Ctenophora - ✔✔Comb Jellies
Aquatic
Radial
Two germ layers
Acoelomate
Unique characteristic: ctenes
What are the three major functions of a body cavity? - ✔✔1. Fluid cushions
the suspended organs, helping to prevent from injury.
2. Enables the internal organs to grow and move independent from the
outer body wall.
3. In soft bodied bilaterians, such as worms, the coelom contains
compressible fluid that acts like a skeleton against which muscles can
work.
Ctenes - ✔✔A locomotive organ consisting of a row of strong cilia whose
bases are fused. Also known as a comb plate.
Diploblast - ✔✔Two germ layers (endoderm and ectoderm).
Triploblast - ✔✔Three germ layers (endoderm, ectoderm, and mesoderm).
Ecdysis - ✔✔Molting of the skeleton.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller JOSHCLAY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
