Salters Nuffield Biology A - JUNE 2024. KeyTakeaways - Scientific Article. Question 8 – Paper 3
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Course
A Level
Institution
A Level
In paper 3, the last question (question 8) is based on a pre-released scientific article a total of 30 marks.
In this document, you will find the key takeaways for each paragraph. This work refers to the Scientific Article for question 8 for Biology A (Salters Nuffield) 9BN0/03.
(The article ...
WBI15/01– Key takeaways for each paragraph Biology A Level Tutor
Key Takeaways for each Paragraph
for Pearson Edexcel Biology A (Salters Nuffield)
for use with Question 8 – Paper 3, June 2024
In paper 3, the last question (question 8) is based on a pre-released scientific article a total of 30
marks.
In this document, you will find the key takeaways for each paragraph. This work refers to the
Scientific Article for question 8 for Biology A (Salters Nuffield) 9BN0/03.
(The article is provided by Pearson Edexcel Examination – June 2024)
1
, WBI15/01– Key takeaways for each paragraph Biology A Level Tutor
5 Key Take Away:
1. Reversal of Perception: Sloths, once regarded as slow and unintelligent creatures, are now
recognized as marvels of evolution, showcasing unique energy-saving strategies that merit
admiration.
2. Survival through Adaptation: Sloths' remarkable adaptations have enabled them to endure
for an impressive span of 30 million years, illustrating the effectiveness of evolutionary
mechanisms in niche survival.
3. Correcting Historical Misjudgments: Historical figures like Georges Louis Leclerc, the
Comte de Buffon, derided sloths as inferior beings. However, modern understanding
reveals Buffon's criticisms as misguided, with sloths' traits being viewed now as
advantageous adaptations.
4. Challenges in Study: Studying sloths poses significant challenges due to their elusive
nature, residing high in tree canopies and blending in seamlessly with their environment,
hindering observation and research efforts.
5. Energetic Efficiency and Evolutionary Insights: Sloths' energy-saving behaviors, such as
their slow metabolism and leisurely digestion, provide valuable insights into evolutionary
adaptations driven by diet and metabolic constraints, challenging conventional
understanding of mammalian biology.
Key Take Aways for each Paragraph:
Sloths, once misunderstood and underestimated, are now recognized as marvels of evolution,
showcasing remarkable energy-saving techniques that humans could learn from.
Paragraph 1:
Buffon's Blunder: Misjudging the Sloth
Georges Louis Leclerc, the Comte de Buffon, severely underestimated sloths and other New World
creatures, considering them inferior.
Paragraph 2:
Buffon's Critique: Sloths' Alleged Flaws
Buffon's criticism of sloths' physical attributes turned out to be misjudgments, as these traits are
now understood as adaptations crucial for survival.
2
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