I.
Presentation 2: Food Webs |
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Description
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Describes
food webs with a focus on osprey and bald eagles. |
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Introduces
the terms bioaccumulation and biomagnification. |
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Prepares
students to graph the osprey and bald eagle data. |
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Goals |
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Students
understand the connection between food webs and biomagnification of
toxic chemicals. |
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Students
learn how DDT is harmful to birds and other wildlife. |
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Students
learn about graphing different relationships in data. |
Download
Files for Presentation 2 |
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“TeacherManual2”
( if not downloaded previously) |
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“Presentation2
” |
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“Lesson2_WB”
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“Lesson2_WB_KEY”
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II.
Activity 2: Food Webs |
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Description
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Students consider how
DDT biomagnifies in top predators of food webs. |
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Students discover that
even through birds of prey are at the top of their respective food
chains, some food chains are shorter than others resulting in different
levels of DDT accumulation in different species. |
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Goals |
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Students gain an understanding
of DDT's complex movement through food webs |
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Download
Files for Activity 2 |
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“TeacherManual2”
(if not downloaded previously) |
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“Activity2_FoodWeb” |
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“Activity2_FoodWeb_KEY” |
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III.
Homework 2: The Range, Habitat, and Niche of the Bald Eagle |
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Description
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Students will read the
Patuxent Research Note, The Range, Habitat, and Niche of the Bald
Eagle and answer questions about the content |
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Goals |
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Students will be introduced
to some aspects of the bald eagles' natural history |
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Download
Files for Homework 2 |
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“TeacherManual2”
(if not downloaded previously) |
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The
Range, Habitat, and Niche of the Bald Eagle |
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“Homework2_BaldEagleHabitat” |
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“Homework2_BaldEagleHabitat_KEY” |
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