100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Bio 172 UH Manoa | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions $13.48   Add to cart

Exam (elaborations)

Bio 172 UH Manoa | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

 5 views  0 purchase
  • Course
  • Top Academic Papers 2024/2025
  • Institution
  • Top Academic Papers 2024/2025

Bio 172 UH Manoa | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

Preview 3 out of 24  pages

  • August 9, 2024
  • 24
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Top Academic Papers 2024/2025
  • Top Academic Papers 2024/2025
avatar-seller
VasilyKichigin
Bio 172 UH Manoa | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions


Endoderm
Mesoderm
Ectoderm - Three embryonic layers. Endoderm being the inner most layer and
Ectoderm being the outermost.

What traits are present in the early stages of development that would not allow you to
determine if the animal is a protostome or deuterostome?

A) Radial Cleavage
B) presence of endoderm, mesoderm, and ectoderm
c) Coelom formed by splitting the mesodermal mass
D) Anus forms from blastopore
E) The developmental fate of each embryonic cell is fully determined - B) presence of
endoderm, mesoderm, and ectoderm

Coelom - Internal body cavity derived from the mesoderm

Blastopore - The opening that develops into the mouth in protostomes and the anus in
deuterostomes

Radial Symmetry - Can be split on multiple planes and be symmetrical (Circle)
Ex. Adult Cnidaria

Bilateral symmetry - Will only be symmetrical if split on one line, all others will not be
symmetrical (humans)
Ex. Nematoda

Rotational symmetry - Division of the body into two halves divides it into two copies of
the same half with one rotated 180 degrees.
Ex. Ctenophora

Asymmetry - No symmetry in any split
Ex. Porifera

Which is not a monophyletic group?

A) Opisthokonta
B) Bilateria
C) Cnidaria
D) Ctenophora
E) Porifera - A) Opisthokonta

,Which is true about animal evolutionary history?

A) the Cambrian explosion led to the appearance of the Ediacaran biota
B) the Cambrian explosion occurred around 100 MYA
C) several extant phyla first appear in the fossil record from the Cambrian period
D) many fossils dating from the Cambrian explosion represent species that survive
today
E) the Cambrian explosion was caused by a rapid increase in Earth's atmospheric
nitrogen - C) Several extant phyla first appear in the fossil record from the Cambrian
Period

Ediacaran Period - before Cambrian period, about 635-543 MYA

Cambrian Explosion/Period - the most rapid evolution of new animal phyla and animal
diversity in Earth's history about 542-488 MYA

Which of the following is not typical of most animals?

A) Specialized tissues
B) a stage of development called gastrulation
C) possession of hox genes
D) alternation of generations between diploid and haploid lifestages
E) food obtained via heterotrophy - D) Alternation of generations between diploid and
haploid lifestages

Hox Genes - Responsible for the general body pattern of most animals

Gastrulation - results in the formation of the primitive gut (archenteron) or digestive
cavity and the formation of the embryonic layers.

Organogenesis - formation of organs

Which of the following is true of the animal phylogenetic tree?

A) fossils provide the best source of information for determining the animal phylogenetic
tree
B) major accepted clades of the animal phylogeny have remained constant over the
past 50 years
C) Future DNA evidence is likely to demonstrate that the Bilateria is the most primitive
animal clade
D) Eumetazoans include more species than Metazoans
E) As more DNA is sequenced and analyzed from more animals, future changes to
major surviving clades of the animal phylogenetic tree become less likely. - E) As more
DNA is sequenced and analyzed from more animals, future changes to major surviving
clades of the animal phylogenetic tree become less likely

, Which of the following is not true of the coelom?

A) it may be present in triploblastic organisms
B) it is a cavity the houses internal organs
C) it is derived from mesoderm
D) it is present in all animals
E) it usually contain fluids - D) it is present in all animals

Triploblastic - Having 3 embryonic layers (endoderm, mesoderm, and ectoderm)

Diploblastic - Having 2 embryonic layers (endoderm and ectoderm).

Which of the following does not play a major role in Earth's post-Cambrian animal
evolution?

A) evolution among plants
B) meteor strikes
C) Change in distance between the Earth and the sun
D) shift in Earth's geography
E) cataclysmic volcanic eruptions - C) change in distance between the Earth and the
sun

Which of the following is not found in Cnidarians?

A) planula larvae
B)medusae
C)cnidocytes
D)mesoderm
E)polyps - D) mesoderm

planula larvae - larvae of various cnidarians

medusae - free-floating aquatic animals with a structure similar to a jellyfish

cnidocytes - stinging cells

Gemmules - Environmentally resistant structures produced by adult sponges

Which of the following is not a component of a sponge?

A) osculum
B)mesohyl
C)endoderm
D)amoebocytes
E)ostia - C) endoderm

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 VasilyKichigin. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.48. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

81113 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.48
  • (0)
  Add to cart