Evolution Lesson

1. Evidences
of Evolution
CRECENCIA DRUCILA LOPEZ SHS
JOHN CARLO L. ROLLON
General Biology 2

2. LET US REVIEW!!!
• Pre Zygotic
Isolation
• Post Zygotic
Isolation

3. What do you
know about
EVOLUTION
and why is it
important?

4. Most Essential
Learning Competency
The learners explain evidences
of evolution (e.g. fossil record,
biogeography, DNA/Protein
Sequences, Homology and
Embryology)
STEM_BIO11/12-IIIcg-12

5. Evidences of
Evolution
• Fossil Record
• Comparative Anatomy
• Comparative Embryology
• Molecular Biology
• Biogeography

6. GROUP ACTIVITY:
Divide the class into five expert groups,
with each group focusing on one of the
five evidences of evolution (fossil
records, comparative anatomy,
comparative embryology, molecular
biology and biogeography).

7. GROUP ACTIVITY:
GROUP 1 - Paleontologists
GROUP 2 - Anatomists
GROUP 3 - Embryologists
GROUP 4 - Molecular Biologists
GROUP 5 - Biogeographers

8. GROUP ACTIVITY:
Each expert group will research and
learn about their assigned evidence.
Each expert group must discuss and
write down important concepts or facts
about their assigned evidence on sticky
notes. These should include any key
vocabulary, definitions, or examples.

9. GROUP ACTIVITY:
Each student must share the important
concepts and facts they learned about
their assigned evidence
Present your answers to the guide
questions by writing them on a manila
paper

10. GROUP ACTIVITY:
How does each topic can be an
evidence for evolution?
Give examples or findings that will
prove your answers.

11. Fossil Record
The fossil record is the collection
of all known fossils, which are the
preserved remains or traces of
organisms from the past. Fossils
can be found in rocks, ice, and
other natural materials, and they
provide valuable evidence for
evolution.

12. Fossil Record

14. Lamprey
Jawless
Fish

15. Hagfish
Jawless
Fish

16. Placoderms
Dunkleostus terrelli

17. D. terrelli juvenile specimen
D. terrelli adult specimen

18. Fossils can also
provide evidence of
transitional forms,
which are
organisms that
show characteristics
of both ancestral
and descendant
species.
Fossil Record
ARCHEOPTERYX

20. Fossil Record
TIKTAALIK

21. Comparative Anatomy
Comparative anatomy is the
study of the similarities and
differences in the structure
of organisms. By comparing
the anatomy of different
organisms, we can gain
insights into their
evolutionary relationships.

22. Comparative Anatomy
Homologous
Structure
Homologous structures refer
to structures that have similar
internal structures and
developmental origins but
may have different functions
in different organisms.

23. Comparative Anatomy
Analogous
Structure
Analogous structures, on the
other hand, refer to structures
that have similar functions
but different developmental
origins and internal
structures.

24. Comparative Anatomy
Vestigial Structure
Comparative anatomy can also reveal vestigial structures, which
are structures that are no longer functional but are remnants of
structures that were functional in ancestral species.

25. Comparative Embryology
Comparative embryology is
the study of the similarities
and differences in the
development of embryos of
different species.

26. Comparative Embryology

27. Molecular Biology
Molecular biology is the
study of the structure and
function of biological
molecules, such as DNA and
proteins.

28. Cytochrome c

29. Cytochrome c
The cytochrome c protein is
highly conserved across a
wide range of organisms,
from bacteria to humans.
These differences in the
amino acid sequence of
cytochrome c can be used to
infer the evolutionary
relationships between
different species.

30. Biogeography
Biogeography is the study of
the distribution of organisms
in different geographic
regions. By studying the
distribution of organisms, we
can gain insights into their
evolutionary history.

31. Biogeography
For example, the
distribution of
marsupials
(mammals that
carry their young in
a pouch) is largely
restricted to
Australia and nearby
islands.

32. Philippine Endemic Species

33. MAKING CONNECTIONS
What do you think are the connections
of the following evidences and how
does it make a solid evidence for the
occurence of evolution?

34. Write a short paragraph
about what you have learned
from the activity and how it
helped you understand the
evidence for evolution
ESSAY

35. Criteria Exemplary (5 points) Proficient (3 points) Developing (1 point)
Content
The essay demonstrates a
thorough understanding of the
various types of evidence for
evolution and provides detailed
and accurate descriptions of
each. The essay also explains
how each type of evidence
supports the theory of
evolution and how they all
work together to provide a
comprehensive understanding
of the evolutionary process.
The essay demonstrates a
basic understanding of the
various types of evidence
for evolution and provides
some descriptions of each.
The essay also explains
how each type of evidence
supports the theory of
evolution, but some
connections may be
unclear or incomplete.
The essay demonstrates a
limited understanding of
the various types of
evidence for evolution
and provides vague or
inaccurate descriptions of
each. The essay also may
not clearly explain how
each type of evidence
supports the theory of
evolution.
RUBRICS for the Essay

36. Criteria Exemplary (5 points) Proficient (3 points) Developing (1 point)
Organization
The essay has a clear and
logical structure, with a
well-defined introduction,
body, and conclusion. The
essay flows smoothly from
one idea to the next, with
effective transitions
between paragraphs.
The essay has a
generally clear and
logical structure, but
some aspects of the
organization may be
unclear or confusing.
The essay may lack
effective transitions
between paragraphs.
The essay has a weak or
unclear structure, with
little or no organization.
The essay may lack an
introduction or
conclusion, and the body
paragraphs may be
disjointed or rambling.
RUBRICS for the Essay

37. Criteria Exemplary (5 points) Proficient (3 points) Developing (1 point)
Grammar
and
Mechanics
The essay is well-written
and free of major errors in
grammar, punctuation,
spelling, and capitalization.
The essay is generally
well-written, but may
contain some minor
errors in grammar,
punctuation, spelling,
or capitalization that
do not significantly
detract from the
readability or
understanding of the
essay.
The essay may contain
numerous errors in
grammar, punctuation,
spelling, or capitalization
that make the essay
difficult to read or
understand.
RUBRICS for the Essay

38. Criteria Exemplary (5 points) Proficient (3 points) Developing (1 point)
Evidence and
Examples
The essay provides
numerous and relevant
examples of the different
types of evidence for
evolution to support the
ideas presented in the
essay.
The essay provides
some relevant
examples of the
different types of
evidence for evolution
to support the ideas
presented in the
essay, but may not be
as thorough or
convincing as it could
be.
The essay provides few or
no examples of the
different types of
evidence for evolution to
support the ideas
presented in the essay.
RUBRICS for the Essay

39. Our own genomes carry the story of evolution,
written in DNA, the language of molecular
genetics, and the narrative is unmistakable.
Kenneth R. Miller