Pnb 2250 exam 1 - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Pnb 2250 exam 1? On this page you'll find 22 study documents about Pnb 2250 exam 1.
Page 2 out of 22 results
Sort by
-
PNB 2250 Exam 1 Questions And Answers Rated A+
- Exam (elaborations) • 13 pages • 2024
- Available in package deal
-
- $7.99
- + learn more
what animals must do? - - Mechanism for excreting waste 
- Mechanism for development and growth 
- Energy input 
Disadvantage of multicellularity - Need special cell/cell connections 
Need for cell/cell communication 
Need system for distribution of nutrients 
What traits to animals share? - Eukaryotic, heterotrophic, able to move 
Why is the fossil record incomplete? - Needs to die near water, fossilization process needs to be in 
a situation where there's no oxygen present, rapidly covered in...
-
PNB 2250 Exam 1 Questions and Correct Answers | Latest Update
- Exam (elaborations) • 29 pages • 2024
- Available in package deal
-
- $10.49
- + learn more
What traits to animals share? 
 -:- Eukaryotic, heterotrophic, able to move 
Cell to cell connections in plants 
 -:- Plasmodesmo, flow of nutrients between cells 
Cell to cell connections animals 
 -:- Tight junctions, strong connection 
Some multicellularity advantages 
 -:- Cells have dedicated tasks (increase efficiency) 
Not all genes expressed (saves energy) 
Cells are further away from surface, ease on homeostasis 
Disadvantage of multicellularity 
 -:- Need special cell/cell connections ...
-
PNB 2250 EXAM 1 Questions and Correct Answers | Latest Update
- Exam (elaborations) • 35 pages • 2024
- Available in package deal
-
- $12.49
- + learn more
Which statement is true? 
a. Heme is commonly found within seawater 
b. Heme-based proteins played a key role in the metabolism of carbon dioxide into forms 
less toxic to cells. 
c. Heme-based proteins likely developed as a means by which Fe was transported safely. 
d. Oxygen binding to heme is insensitive to the presence of acid in mammals. 
e. Early anaerobic life used heme-based proteins to minimize oxygen toxicity. 
 -:- (e) Early anaerobic life used heme-based proteins to minimize 
oxyg...
-
PNB 2250 Exam 1 (final exam prep) Questions and Correct Answers | Latest Update
- Exam (elaborations) • 75 pages • 2024
- Available in package deal
-
- $13.49
- + learn more
cell to cell connection (in animals vs. plants) 
 -:- plants = plasmodesmata, flow of nutrients between cells 
 animals = tight junctions 
convergent evolution 
 -:- organisms independently evolve similar traits as a result of having to 
adapt to similar environments 
limited solutions to the same problem 
analogous structures 
 -:- flight in insects, bats, birds 
fingerprints in humans and koalas 
2 | P a g e | G r a d e A + | 2 0 2 4 / 2 0 2 5 
2 0 2 4 /2025 | © copyright | This work may n...
-
PNB 2250 EXAM 1 QUESTIONS WITH 100 % CORRECT ANSWERS |VERIFIED
- Exam (elaborations) • 7 pages • 2024
- Available in package deal
-
- $7.99
- + learn more
three frameworks of comparative systems - -Form & function of the parts under investigation 
-Phylogenetic diversity & evolution of the system in different taxa 
-Ecophysiology 
Tech designs vs living systems - -Technological advancement is an evolutionary progression 
-Organisms are impressive, beautiful & awe-inspiring 
>Exceedingly complex in architecture & functional adaptations 
>Appropriate to speak of life forms having "design" 
Emergent properties of animal physiology - - Atoms 
...
Make study stress less painful
-
PNB 2250 EXAM 1 Questions and Correct Answers | Latest Update
- Exam (elaborations) • 13 pages • 2024
- Available in package deal
-
- $10.49
- + learn more
Emergent properties of animal physiology 
 -:- - Atoms 
- Molecules 
- Cells 
- Tissues 
- Organs 
- Integrated organ systems 
Physiological tolerances affects the _________ & ___________ of species. 
Physiology also influences higher levels of biological organization (4 things): 
 -:- distribution, abundance 
-Population 
-Community 
-Ecosystem 
-Biome 
2 | P a g e | G r a d e A + | 2 0 2 4 / 2 0 2 5 
2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain | Excel! 
Evolving...
-
PNB 2250 EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+PNB 2250 EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
- Exam (elaborations) • 28 pages • 2024
-
- $14.49
- + learn more
PNB 2250 EXAM 1 | QUESTIONS & 
ANSWERS (VERIFIED) | LATEST 
UPDATE | GRADED A+PNB 2250 EXAM 1 | QUESTIONS & 
ANSWERS (VERIFIED) | LATEST 
UPDATE | GRADED A+
-
PNB 2250 Exam 1 Questions and Answers |100% Pass
- Exam (elaborations) • 14 pages • 2024
- Available in package deal
-
- $9.99
- + learn more
PNB 2250 Exam 1 Questions and 
Answers |100% Pass 
What traits to animals share? - Answer-Eukaryotic, heterotrophic, able to move 
Cell to cell connections in plants - Answer-Plasmodesmo, flow of nutrients 
between cells 
Cell to cell connections animals - Answer-Tight junctions, strong connection 
Some multicellularity advantages - Answer-Cells have dedicated tasks (increase 
efficiency) 
Not all genes expressed (saves energy) 
Cells are further away from surface, ease on homeostasis 
Disadvant...
-
PNB 2250 Exam 1 (final exam prep) Study Guide
- Exam (elaborations) • 46 pages • 2024
- Available in package deal
-
- $12.49
- + learn more
PNB 2250 Exam 1 (final exam prep) 
Study Guide 
cell to cell connection (in animals vs. plants) - Answer-plants = plasmodesmata, 
flow of nutrients between cells 
animals = tight junctions 
convergent evolution - Answer-organisms independently evolve similar traits as a 
result of having to adapt to similar environments 
limited solutions to the same problem 
analogous structures - Answer-flight in insects, bats, birds 
fingerprints in humans and koalas 
echolocation in bats, whales, shrews 
tru...
-
PNB 2250 EXAM 1 QUESTIONS AND ANSWERS | 100% PASS
- Exam (elaborations) • 26 pages • 2024
- Available in package deal
-
- $11.49
- + learn more
PNB 2250 EXAM 1 QUESTIONS AND 
ANSWERS | 100% PASS 
Which statement is true? 
a. Heme is commonly found within seawater 
b. Heme-based proteins played a key role in the metabolism of carbon dioxide into 
forms less toxic to cells. 
c. Heme-based proteins likely developed as a means by which Fe was transported 
safely. 
d. Oxygen binding to heme is insensitive to the presence of acid in mammals. 
e. Early anaerobic life used heme-based proteins to minimize oxygen toxicity. - 
Answer-(e) Early ana...
Study stress? For sellers on Stuvia, these are actually golden times. KA-CHING! Earn from your study resources too and start uploading now. Discover all about earning on Stuvia