Multicellularity - Study guides, Class notes & Summaries
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ATI Nutrition and Physiology Interaction Exam Study Guide 2024
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what did multicellularity lead to? - need for a highly coordinated system to regulate 
and integrate the physiological functioning of different cells within one organism 
mode of hormonal communication? - chemical signalling 
examples of types on triggers? - location, visual, language, sound, gesture 
visual trigger - circadian rhythms 
location trigger - sender to receiver 
language trigger - chemical signalling 
gesture trigger - social, stress, sex 
sound trigger - lactation 
what is the unit...
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bisc 162 study guide || with Error-free Solutions.
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the purpose of the development of a vacuole is correct answers digest food, regulate excess water and regulate internal environment 
 
if a virus that normally infects cells in the lining of an elephant's lungs enters a rhinoceros correct answers it cannot infect the rhinoceros because a virus is specific to a cell type and a species 
 
photoheterotrophs get their energy from blank and their carbon source is correct answers light carbon source 
 
chloroplast arose twice on a phylogentic tree ma...
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WIS2552 EXAM Questions and Answers (100% Pass)
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First fungi evolved in 
→ ordovician 
conifers evolved in 
→ permian 
chloroplasts are found only in kingdom plantae 
→ false 
oparin did experiments in 
→ chemical evolution 
dna in the nuclei in eukaryotic cells is complexed with 
→ proteins 
pasteur bent necks of glass flasks to prevent from reaching water 
1 | P a g e | © copyright 2024/2025 | Grade A+ 
Master01 | September, 2024/2025 | Latest update 
→ bacteria 
stanley milller combined methane and in water 
→ ammonia 
endosy...
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WIS2552 Topics 1-8 Questions Solved 100% Correct
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Multicellularity might have evolved from coloniality. - Ans true 
Some of Pasteur's sterile water flasks are still on display today. - Ans True 
Both mitochondria and chloroplasts have two membranes. - Ans true 
Protenoid spheres could have evolved via - Ans self assembly 
Conifers evolved in the - Ans Permian
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WIS2552 Topics 1-8 || with 100% Correct Answers.
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Multicellularity might have evolved from coloniality. correct answers true 
 
Some of Pasteur's sterile water flasks are still on display today. correct answers True 
 
Both mitochondria and chloroplasts have two membranes. correct answers true 
 
Protenoid spheres could have evolved via correct answers self assembly 
 
Conifers evolved in the correct answers Permian 
 
The ___ is the period of the first vascular plants. correct answers silurian 
 
Most scientists think the earth is ___ years o...
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Bio 103 Practice Questions with Correct Answers
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Endosymbiosis a mutually beneficial relationship in which one organism lives within another 
advantages of multicellularity 1. Organization of many cells into a single mass reduces SA to V ratio 2. Permits subdivision of labor amongst different tissues (specialization) 
origins of multicellularity 1. Intercellular connections (loss of cell wall in animal cells creates vulnerability) 2. cellular specialization 3. Communication (division of labor of cells means they must work together) 4. Evolutio...
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PNB 2250 Exam 1 Questions And Answers Rated A+
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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...
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WIS2552 Exam 1 (Topics 1-8, Global Patterns in Biodiversity) Questions With Verified Answers
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WIS2552 Exam 1 (Topics 1-8, Global 
Patterns in Biodiversity) Questions With 
Verified Answers 
The endosymbiosis theory argues that a ____ relationship was established between two cells. - 
answermutualistic 
The endosymbiosis theory argues that small prokaryotic cells were engulfed by ____. - 
answerlarger prokaryotic cells 
The first hominids appeared at the end of the ____. - answerTertiary 
The first fungi evolved in the ____. - answerOrdovician 
Francisco Redi did an experiment to show tha...
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BIOL 211 Exam 1 Stewart Questions with 100% Correct Answers | Latest Version 2024 | Verified
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What is the goal of bioremediation? - To clean up areas polluted with toxic compounds using 
bacteria 
Broad-spectrum antibiotics inhibit the growth of most intestinal bacteria. Consequently, assuming that 
nothing is done to counter the reduction of intestinal bacteria, a hospital patient who is receiving broadspectrum antibiotics is most likely to become - deficient in certain vitamins and nutrients 
If prokaryotes did not exist, what would change in the nitrogen cycle? - The rate of movement ...
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Test Bank For Biology, 6th Edition Brooker (All Chapters included)
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Complete Test Bank for Biology, 6th Edition by Robert Brooker, Eric P. Widmaier, Linda E. Graham, Peter D. Stiling ; ISBN13: 9781264039715. Full Chapters included Chapter 1 to 60. 1. An Introduction to Biology. 2. The Chemical Basis of Life I: Atoms, Molecules, and Water. 3. The Chemical Basis of Life II: Organic Molecules. 4. Evolutionary Origin of Cells and Their General Features. 5. Membrane Structure, Synthesis and Transport. 6. An Introduction to Energy, Enzymes, and Metabolism. 7. Cellular...
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