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Biology and it's Themes

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This textbook provides an introduction to basic biology and its themes. It explains important concepts such as living organisms, cells, genetics, evolution, and ecosystems in a simple and easy to understand way. Suitable for students and beginners learning biology

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Institution
University Of South Africa (Unisa)
Course
Basic Biology (BLG1501)

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Chapter 1

Biology and Its
Themes


Lecture Presentations by
Nicole Tunbridge and
© 2018 Pearson Education Ltd. Kathleen Fitzpatrick

,Inquiring About Life


 An organism’s adaptations to its environment are the
result of evolution
 For example, the color of the beach mouse has come
to be well matched, or adapted, to its local
background
 Evolution is the process of change that has
transformed life on Earth




© 2018 Pearson Education Ltd.

,Figure 1.1




© 2018 Pearson Education Ltd.

, Figure 1.1a




An inland mouse of the species
Peromyscus polionotus



© 2018 Pearson Education Ltd.
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Institution
University of South Africa (Unisa)
Course
Basic Biology (BLG1501)

Document information

Uploaded on
May 25, 2026
Number of pages
169
Written in
2025/2026
Type
PRESENTATION
Person
Unknown

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