Exam (elaborations)
EDEXCEL BIOLOGY A A LEVEL JUNE 2023 8bn0 PAPER 1 THE NATURAL ENVIRONMENT AND SPECIES SURVIVAL
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EDEXCEL BIOLOGY A A LEVEL JUNE 2023 8bn0 PAPER 1 THE NATURAL ENVIRONMENT AND SPECIES SURVIVAL
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AS AND A LEVEL EXAM PREP MATERIALEXAM PREP
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, EDEXCEL A LEVEL JUNE 2023
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Wednesday 7 June 2023
Afternoon (Time: 2 hours) Paper
reference 9BN0/01
Biology A (Salters Nuffield)
Advanced
PAPER 1: The Natural Environment and Species
Survival
You must have: Total Marks
Scientific calculator, HB pencil, ruler
Instructions
•• Use black ink or ball-point pen.
Fill in the boxes at the top of this page with your name,
centre number and candidate number.
•• Answer all questions.
Show all your working out in calculations and include units where appropriate.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 100.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You may use a scientific calculator.
• Instructure
questions marked with an asterisk (*), marks will be awarded for your ability to
your answer logically showing how the points that you make are related or
follow on from each other where appropriate.
Advice
•• Read each question carefully before you start to answer it.
Try to answer every question.
• Check your answers if you have time at the end. Turn over
P71906A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/1/1/
*P71906A0132*
TYRIONPAPERS.COM
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 Homo sapiens is the only living species of the genus Homo. Over 100 000 years ago,
Homo neanderthalensis, a species closely related to modern humans, lived with other
Homo species in the same habitat.
(a) Which of the following is the correct definition of the term habitat?
(1)
A a group of organisms of different species living in the same area
B a group of organisms of the same species living in the same area
C a place where an organism lives
D the role of an organism
(b) A fossil bone discovered in China is thought to be from a new species,
Homo longi.
(i) Samples of DNA from this bone and bones from other Homo species can be
amplified using PCR.
Describe how these amplified samples of DNA can be prepared for analysis
using gel electrophoresis.
(3)
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