Mcmaster bio 1m0 - Study guides, Class notes & Summaries

Why might Pasteur's experiment be inconclusive? - Answer The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - Answer To ensure that results were not achieved by random chance What is the definition of a replicate? - Answer Unit that shares a common thing (4 mice in one cage = 1 replicate) What does the law of succession suggest?...

McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers ;( Real actual exam) Why might Pasteur's experiment be inconclusive? - Correct Answer The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - Correct Answer To ensure that results were not achieved by random chance What is the definition of a replicate? - Correc...

McMaster Bio 1M03: Exam 2024/2025 Questions with all the correct Answers (Real Actual Exam). Why might Pasteur's experiment be inconclusive? - ANS - The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - ANS - To ensure that results were not achieved by random chance What is the definition of a replicate? - ANS - Unit that shares a c...

what is a biological community? - Answer All of the populations of organisms living and interacting in a particular area commensalism - Answer interaction where one species benefits and the other is unaffected competition - Answer interaction where individuals use the same resources, lowering fitness for both -/- consumption - Answer interaction where one organism eats or absorbs nutrients from the other, +/- mutualism - Answer interaction where two species benefit +/+ three key t...

what is a biological community? - Answer All of the populations of organisms living and interacting in a particular area commensalism - Answer interaction where one species benefits and the other is unaffected competition - Answer interaction where individuals use the same resources, lowering fitness for both -/- consumption - Answer interaction where one organism eats or absorbs nutrients from the other, +/- mutualism - Answer interaction where two species benefit +/+ three key t...

McMaster Bio 1M03 UPDATED ACTUAL Exam Questions and CORRECT Answers Why might Pasteur's experiment be inconclusive? - CORRECT ANSWER- The swannecked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - CORRECT ANSWER- To ensure that results were not achieved by random chance What is the definition of a replicate? - CORRECT ANSWER- Unit that sh...

Why might Pasteur's experiment be inconclusive? - Answer The swan-necked flask broth may not support cell growth, or the broth was poisoned. Experiment did not confirm hypothesis that all cells come from pre-existing cells Why are replicates important in experiments? - Answer To ensure that results were not achieved by random chance What is the definition of a replicate? - Answer Unit that shares a common thing (4 mice in one cage = 1 replicate) What does the law of succession suggest?...

McMaster BIO 1M03 PRACTICE TEST Questions and ANSWERS 2024/2025 (100% Correct) Which of he folloing aemen ih e pec o he ml i- egional hpohei and he ecen o of Af ica hpohei fo human origins is not accurate? A) Both hypotheses propose an African origin for modern humans. B) The multi-regional hypothesis proposes that modern populations of H. sapiens began diverging from one another over one million years ago. C) According to both hypotheses, Homo heidlebergensis and Homo erectus are separate ...

MCMASTER BIO 1M03 EXAM 200 QUESTIONS AND WELL ELABORATED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED HIGHLY RECOMMENDED BY EXPERTS | NEW AND REVISED

Provide examples where evolution is not goal-directed - - Parasites lose complex digestive systems - Finch beaks get larger, then smaller Although N enhances productivity, is too much nitrogen a bad thing? - N runoff can lead to eutrophication, species diversity decreases if organisms thrive in N, N pollution creates acid rain, climate change, depletion of ozone Are non-human animals capable of making decisions that impact their fitness? - No. Cost-benefit...