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Divide and Conquer
(Fertilization of Sea Urchins)
- Level: High School
- Topic: Reproduction & Cell Structure and Function
Description:
This activity engages students in direct observation and inquiry-based experiments using sea urchins. First, they observe normal fertilization and division/cleavage in the sea urchin zygote. Next, they develop hypotheses and design and carry out experiments to test factors that can affect the fertilization of sea urchin eggs.
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Author:
Mary Elizabeth Kelley
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Research Host:
Gerald J. Pepe Ph.D.
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- Bethel High School
Hampton, VA
- 1998 Frontiers in Physiology
- Summer Research Teacher
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- Eastern Virginia Medical School
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- 1998 Frontiers in Physiology
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Related Resources
- See a related
Project WISE Unit
| Criteria useful for reviewing
student-centered learning activities
include:
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In this
activity..
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| An inquiry level of 4 or 5 | 4 |
| An integrated Internet component | N/A |
| Assessments for content knowledge | Yes |
Assessments for process skills | Yes |
| Addressed the "ABC" rules for humans
and/or animal use | N/A |
| Use of multiple learning
styles and opportunities for all students | Yes |
| Proper safety precautions and
warnings | Yes |
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The Frontiers in Physiology
programs are developed and sponsored by the American
Physiological Society with additional funding from the
National Center for Research Resources (Science Education
Partnership Award #RR15251) at the National Institutes
of Health. |
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