BIO 182 Exam 4 NAU Questions Correctly
Answered
Be familiar with the common characteristics of animals. - answer- Multicellular heterotrophs
- cells lack cell walls
-most have nerves, muscles, and capacity to move at some point in the life cycle
- able to reproduce sexually
- specialized sens...
EXAM STUDY MATERIALS July 26, 2024 9:30 AM BIO 182 Exam 4 NAU Questions Correctly Answered Be familiar with the common characteristics of animals. - answer✔✔- Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory stru ctures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? - answer✔✔gametic What is the most likely ancestor of animals? - answer✔✔choanoflagellates What are the 3 major f eatures that were traditionally used to classify animals? Know the different variations on these 3 major features. - answer✔✔1. Tissues - metazoa - parazoa - porifera (sponges) - eumetazoa 2. Body Symmetry - radial symmetry - bilateral symmetry 3. Specific features of embryonic development - protosome - deutrosome Be able to draw/identify the phylogenetic tree based off those three major features. - answer✔✔See chapter 26 phylogeny tree EXAM STUDY MATERIALS July 26, 2024 9:30 AM What are the features of protostome and deuterostome development? - answer✔✔Protostome: - spiral cleavage - cleavage is determinate - blastopore becomes mouth Deutrostome: - radial cleavage - cleavage in indeterminate - blastopore becomes anus What is the focused gene for molecular analysis used in animal diversity? - answer✔✔Compare similarities between DNA and ribosomal RNA of animals Sometimes focus on small subunit ribosomal RNA What are the 2 new invertebrate clades that resulted from mole cular analysis of the rRNA region of the genome? - answer✔✔Ecdysozoa: - named for ecdysis (molting) - nematodes, arthropods, and a few other minor phyla Lophotrochozoa: - named for the lophophore (feeding tentacles) and trochophore larva - mollusks, anneli ds, and several other phyla For this chapter, you should know each of the phylum names (13 total phyla) that are the end points of the phylogenetic tree of invertebrates. You should also be able to be able to draw the tree and know the major traits that di vide the clades on the tree. - answer✔✔1. Phylum Porifera 2. Phylum Cnidaria 3. Phylum Ctenphora 4. Phylum Platyhelminthes 5. Phylum Rotifera 6. Phylum Bryozoa 7. Phylum Brachiopoda 8. Phylum Mollusca 9. Phylum Annelida
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 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 Thebright. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.96. You're not tied to anything after your purchase.
