Types of biological variation Discontinuous (qualitative) variation : simple alternative
#4 B1 topic 1 - continuous and discontinuous variation
-
Upload
gcsepresentations -
Category
Education
-
view
438 -
download
0
description
Transcript of #4 B1 topic 1 - continuous and discontinuous variation
![Page 1: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/1.jpg)
B1 TOPIC 1 - VARIATION
Continuous And Discontinuous Variation
CVHS GCSE POWERPOINT SHARE
![Page 2: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/2.jpg)
Continuous VariationContinuous variation is when individuals within a population vary within a range.
There are no distinct categories.
Examples• Animal mass• Width of bacteria• Amount of plant leaves
![Page 3: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/3.jpg)
Continuous Variation Graphs
MeanNormal distribution curve
![Page 4: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/4.jpg)
Continuous Variation Graphs
MeanNormal distribution curve
![Page 5: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/5.jpg)
Discontinuous VariationDiscontinuous variation is when individuals characteristics within a population fit into two or more distinct categories.
There are no intermediate categories.
Examples• Blood group in humans• Bacteria’s anti-biotic resistance• how vertebrates respire• Colour of a courgette
![Page 6: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/6.jpg)
Discontinuous Variation Graphs
Mode
![Page 7: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/7.jpg)
Discontinuous Variation Graphs
Mode
![Page 8: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/8.jpg)
PracticalsLook at the image and think of a practical, and what it
shows...
![Page 9: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/9.jpg)
PracticalsRecord the eye colour
There will be distinct categories such as blue,
green etc.
This shows discontinuous variationYou would plot the
information, and make a bar graph, such as the on to the
right.
![Page 10: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/10.jpg)
PracticalsLook at the image and think of a practical, and what it
shows...
![Page 11: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/11.jpg)
PracticalsRecord the hand span
There will be lots of different results, nearly all
different
This shows continuous variationYou would plot the
information, and make a graph with a normal
distribution curve, such as the on to the right.
![Page 12: #4 B1 topic 1 - continuous and discontinuous variation](https://reader034.fdocuments.in/reader034/viewer/2022051413/5537fed64a7959f66c8b463d/html5/thumbnails/12.jpg)
QuestionsCompare continuous and discontinuous variation (4)
Give two examples of discontinuous variation (2)
Design a practical for a classroom to show continuous variation (3)