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L1 - Causes and benefits of variation
Kapow!
Created on October 3, 2023
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Transcript
Causes and benefits of variation
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Contents
Observing variation and drawing conclusions
Matching observations and conclusions
©2022 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Click the text to highlight it as variation or evidence.
Observing variation and drawing conclusions
Reset
Example of variation
Evidence observed
Answer
When Charles Darwin travelled to the Galapagos Islands, he caught finches (birds) and measured their beak and body size. He noticed that there were differences between the finches depending on the island they lived on. Darwin wrote to colleagues and friends, asking for bodies of dead animals to take measurements of their skeletons. He was particularly interested in pigeons, studying their skins and measuring their wing bones. When Alfred Russel Wallace travelled to Brazil, he measured the wings of many butterflies and insects. He found that variation in their size and patterns depended on the living conditions. This variation could lead to new species. In Singapore, Wallace looked at physical characteristics such as feather colour of birds and used this information to categorise them.
beak and body size.
measured
between the finches depending on the island they lived on.
differences
bodies of dead animals
skeletons.
measurements
their wing bones.
skins and
measuring
measured the
wings
size and patterns
living conditions.
physical characteristics
feather colour
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Click the text to highlight it as variation or evidence.
Observing variation and drawing conclusions
Reset
Example of variation
Evidence observed
Answer
When Charles Darwin travelled to the Galapagos Islands, he caught finches (birds) and measured their beak and body size. He noticed that there were differences between the finches depending on the island they lived on. Darwin wrote to colleagues and friends, asking for bodies of dead animals to take measurements of their skeletons. He was particularly interested in pigeons, studying their skins and measuring their wing bones. When Alfred Russel Wallace travelled to Brazil, he measured the wings of many butterflies and insects. He found that variation in their size and patterns depended on the living conditions. This variation could lead to new species. In Singapore, Wallace looked at physical characteristics such as feather colour of birds and used this information to categorise them.
beak and body size.
measured
between the finches depending on the island they lived on.
differences
bodies of dead animals
skeletons.
measurements
their wing bones.
skins and
measuring
measured the
wings
size and patterns
living conditions.
physical characteristics
feather colour
©2023 Kapow Primary
www.kapowprimary.com
©2022 Kapow Primary
www.kapowprimary.com
Observing variation and drawing conclusions
Reset
Example of variation
Evidence observed
When Charles Darwin travelled to the Galapagos Islands, he caught finches (birds) and measured their beak and body size. He noticed that there were differences between the finches depending on the island they lived on. Darwin wrote to colleagues and friends, asking for bodies of dead animals to take measurements of their skeletons. He was particularly interested in pigeons, studying their skins and measuring their wing bones. When Alfred Russel Wallace travelled to Brazil, he measured the wings of many butterflies and insects. He found that variation in their size and patterns depended on the living conditions. This variation could lead to new species. In Singapore, Wallace looked at physical characteristics such as feather colour of birds and used this information to categorise them.