AQA GCSE Separate Science
Biology – Paper 2 Higher Tier
Predicted Paper 2023 with marking schemes
Name ……………………………………………………………………
Date …………………
1 hour 45 minutes allowed. You may use a calculator.
Grade boundari...
AQA GCSE Separate
Science
Biology – Paper
2 Higher Tier
Predicted Paper 2023 with marking schemes
Name ……………………………………………………………………
Date …………………
1 hour 45 minutes allowed.
You may use a calculator.
Grade boundaries Possible Marks
Question
marks gained
These are VERY rough guesses! Getting a 7 1 12
on this paper does not guarantee you the 2 22
same mark in the exam. 3 9
4 9
5 17
9 70% 6 15
7 16
8 60%
Total 100
7 50%
6 45%
5 35%
4 30%
3 25%
1
,Gcse bio ppr2 higher predicted 2023
2
,Gcse bio ppr2 higher predicted 2023
01
a) The image shows three dogs. They are all members of the same
species. What is the definition of a species?
[2 marks]
b) The image shows different breeds of dogs that look very different.
What term is used to define physical differences between the dogs?
[1 mark]
c) The table below shows the classification for dogs. Complete the table.
[2 marks]
Animalia
Phylum Chordata
Class Mammalia
Carnivora
Family Canidae
Genus Canis
familiaris
d) Give the binomial name for dogs. Use the table above.
[1 mark]
3
, Gcse bio ppr2 higher predicted 2023
e) Give one reason why binomial names, instead of conventional names,
are used by scientists.
[1 mark]
f) When the new ‘three-domain system’ was introduced, dogs were
classified into the Eukaryota.
Explain how the ‘three-domain system’ was developed.
[3 marks]
g) Dogs are closely related to wolves.
Give two pieces of evidence that scientists can use to show that dogs
are closely related to wolves.
[2 marks]
4
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Intelligentexceller17. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £20.24. You're not tied to anything after your purchase.