Biology guide
First assessment 2025
,Biology guide
First assessment 2025
, Diploma Programme
Biology guide
Published February 2023
Published on behalf of the International Baccalaureate Organization, a not-for-profit
educational foundation of 15 Route des Morillons, 1218 Le Grand-Saconnex, Geneva,
Switzerland by the
International Baccalaureate Organization (UK) Ltd
Peterson House, Malthouse Avenue, Cardiff Gate
Cardiff, Wales CF23 8GL
United Kingdom
Website: ibo.org
© International Baccalaureate Organization 2023
The International Baccalaureate Organization (known as the IB) offers four high-quality
and challenging educational programmes for a worldwide community of schools, aiming
to create a better, more peaceful world. This publication is one of a range of materials
produced to support these programmes.
The IB may use a variety of sources in its work and checks information to verify accuracy
and authenticity, particularly when using community-based knowledge sources such as
Wikipedia. The IB respects the principles of intellectual property and makes strenuous
efforts to identify and obtain permission before publication from rights holders of all
copyright material used. The IB is grateful for permissions received for material used
in this publication and will be pleased to correct any errors or omissions at the earliest
opportunity.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system, or transmitted, in any form or by any means, without the IB’s prior written
permission, or as expressly permitted by the Rules for use of IB Intellectual Property.
IB merchandise and publications can be purchased through the IB Store (email: sales@
(email: ). Any commercial use of IB publications (whether fee-covered or
commercial) by third parties acting in the IB’s ecosystem without a formal relationship
with the IB (including but not limited to tutoring organizations, professional development
providers, educational publishers and operators of curriculum mapping or teacher
resource digital platforms etc) is prohibited and requires a subsequent written license
from the IB. License requests should be sent to . More information can
be obtained on the IB public website.
International Baccalaureate, Baccalauréat International, Bachillerato Internacional
and IB logos are registered trademarks of the International Baccalaureate Organization.
, IB mission statement
The International Baccalaureate aims to develop inquiring, knowledgeable and caring young people who
help to create a better and more peaceful world through intercultural understanding and respect.
To this end the organization works with schools, governments and international organizations to develop
challenging programmes of international education and rigorous assessment.
These programmes encourage students across the world to become active, compassionate and lifelong
learners who understand that other people, with their differences, can also be right.
First assessment 2025
,Biology guide
First assessment 2025
, Diploma Programme
Biology guide
Published February 2023
Published on behalf of the International Baccalaureate Organization, a not-for-profit
educational foundation of 15 Route des Morillons, 1218 Le Grand-Saconnex, Geneva,
Switzerland by the
International Baccalaureate Organization (UK) Ltd
Peterson House, Malthouse Avenue, Cardiff Gate
Cardiff, Wales CF23 8GL
United Kingdom
Website: ibo.org
© International Baccalaureate Organization 2023
The International Baccalaureate Organization (known as the IB) offers four high-quality
and challenging educational programmes for a worldwide community of schools, aiming
to create a better, more peaceful world. This publication is one of a range of materials
produced to support these programmes.
The IB may use a variety of sources in its work and checks information to verify accuracy
and authenticity, particularly when using community-based knowledge sources such as
Wikipedia. The IB respects the principles of intellectual property and makes strenuous
efforts to identify and obtain permission before publication from rights holders of all
copyright material used. The IB is grateful for permissions received for material used
in this publication and will be pleased to correct any errors or omissions at the earliest
opportunity.
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system, or transmitted, in any form or by any means, without the IB’s prior written
permission, or as expressly permitted by the Rules for use of IB Intellectual Property.
IB merchandise and publications can be purchased through the IB Store (email: sales@
(email: ). Any commercial use of IB publications (whether fee-covered or
commercial) by third parties acting in the IB’s ecosystem without a formal relationship
with the IB (including but not limited to tutoring organizations, professional development
providers, educational publishers and operators of curriculum mapping or teacher
resource digital platforms etc) is prohibited and requires a subsequent written license
from the IB. License requests should be sent to . More information can
be obtained on the IB public website.
International Baccalaureate, Baccalauréat International, Bachillerato Internacional
and IB logos are registered trademarks of the International Baccalaureate Organization.
, IB mission statement
The International Baccalaureate aims to develop inquiring, knowledgeable and caring young people who
help to create a better and more peaceful world through intercultural understanding and respect.
To this end the organization works with schools, governments and international organizations to develop
challenging programmes of international education and rigorous assessment.
These programmes encourage students across the world to become active, compassionate and lifelong
learners who understand that other people, with their differences, can also be right.
