Exam (elaborations)
BIOL 1104 quiz #3 study questions with complete solutions
- Course
- Institution
BIOL 1104 quiz #3 study questions with complete solutions
[Show more]
Content preview
BIOL 1104 quiz #3 study questions with complete solutionsAn animals with a mouth and anus, also bilaterally symmetrical:
can you predict the phylum of this animal? Correct Answer No,
you would have to find out if it was a protostome or a
deuterostome.
An animals with a mouth and anus: Can you accurately predict
the symmetry of the animal? Correct Answer yes, all animals
with a complete GI tract are bilaterally symmetrical at least one
point in their lifetime.
Are mammals amniotes? Correct Answer Yes, embryo
develops inside the mother's body. (amniotic sac)
Are reptiles amniotes? Correct Answer Yes, embryo develops
in an amniotic egg.
Asymmetry Correct Answer cannot be separated into equal
parts
bilateral symmetry Correct Answer can be split into 2 'sides'
only along one plane
blastopore Correct Answer dimple in the blastoderm, beginning
of intestinal tract
Blastula Correct Answer hollow ball of cells
Cnidarians push out a stinger from their cnidocytes (stinging
cells) when water rapidly enters a part of the cell called the
, cnidoblast. Would you expect a cnidoblast to have higher or
lower solute concentrations than the rest of the cell when water
begins to enter the cnidoblast? Justify your response. You may
want to return to lectures on plants to review how osmosis
works. Correct Answer They have a higher amount of solute
which causes water to rush in, to balance out the solutes.
Compare and contrast open and closed circulatory systems.
Correct Answer Closed Circulatory system: blood is fully
contained within vessels.
Open circulatory system: marinating, blood partially contained
in vessels; blood mixes with extracellular fluid.
Define ectotherm. Correct Answer unable to generate body
heat, cold blooded
Define endotherm. Correct Answer can generate body heat,
warm blooded
Define heterothermy. Correct Answer the body temperature
matches the environment.
Define homeotherm. Correct Answer can maintain stable body
temperature when the environmental temperature changes.
Define negative feedback and give example. Correct Answer
Regulate or conform to the changes, trying to resist change.
ex. when you are hungry you want to resist that hunger by eating
something.
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 Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77988 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now