Mcmaster bio 1m0 Study guides, Class notes & Summaries

McMaster Bio 1M03: Exam Questions and Answers A, Guide Why might Pasteur's experiment be inconclusive? 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? To ensure that results were not achieved by random chance What is the definition of a replicate? Unit that shares a common thing (4 mice in one cage = 1 replicate) What ...

McMaster Bio 1M03: Exam | LATEST 2023/24 Why might Pasteur's experiment be inconclusive? - 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? - To ensure that results were not achieved by random chance What is the definition of a replicate? - Unit that shares a common thing (4 mice in one cage = 1 replicate) What does the law of...

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...

McMaster Bio 1M03 Exam with Complete Solution Population - - a group of individuals from the same species that occupy an area of space at the same time - can produce viable offspring - uses the same resources and are affected by similar factors Ecology - - the study of how organisms interact with their environment What is population ecology? - - measures changes in population size, pop composition - identifies factors that cause changes in population - studies how and why a populat...

McMaster Bio 1M03: Exam Questions & Answers 2024 ( A+ GRADED 100% VERIFIED)

McMaster BIO 1M03 PRACTICE TEST Questions and ANSWERS 2024/2024 | All Correct Actual Exam. 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 a...

McMaster Bio 1M03: Exam | with 219 questions and answers | Updated 2024/25

McMaster BIO 1M03 PRACTICE TEST Questions and ANSWERS 2024/2024 | All Correct Actual Exam. Which of the following is true regarding the utility of teeth for studying evolution? A) Teeth are often sexually dimorphic but do not preserve well in the fossil record B) Teeth have morphological characteristics that can inform scientists about the diet of the species from which they are derived, but they tend to not exhibit sexual dimorphism C) Teeth have morphological characteristics that that can ...

McMaster Bio 1M03: Exam | With 219 questions and answers | Latest 2024/25

Why might Pasteur's experiment be inconclusive? - 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? - To ensure that results were not achieved by random chance What is the definition of a replicate? - Unit that shares a common thing (4 mice in one cage = 1 replicate) What does the law of succession suggest? - As one species disap...