Curated OER
Evidence of Change
Students identify evidence of change in species using fossils, anatomical similarities, and embryology. They identify homologous structures and arrange the steps of fossil formation. Students complete a group of selection of organisms...
Curated OER
Heredity, Genetics, Traits
Eighth graders study how an embryo develops into a fetus by undergoing many physical changes which they observe on a poster. They examine the metamorphosis of fruit flies as they develop through a series of changes. They record the...
Curated OER
Comparative Embryology
Students compare and contrast the embryonic development of human, chicken and fish embryos. They create a detailed outline of similarities and differences among the three embryos at various stages of development.
Curated OER
Elegant Embryology
Students observe embryogenesis in action through early stages of development of eggs. They observe cultures with dissecting and compound microscopes. They draw their egg, record any details and observe for changes. They compare their...
Curated OER
EGG-STRA, EGG-STRA LEARN ALL ABOUT IT
Students explore how animals produce young by watching age-appropriate videos on the subject. They watch as chicken eggs either hatch or not in an incubator.
Curated OER
Pregnancy and Differentiation
In this pregnancy learning exercise, learners review the 5 steps of human development from ovulation to implantation plus embryo development. Students also review the 3 stages of birth. This learning exercise has 8 fill in the blank, 4...
Curated OER
Reproduction
In this biology worksheet, students identify and locate various vocabulary terms pertaining to the stages of reproduction. There are 16 biology terms located in the word search.
Curated OER
Freshmen Biology Terms
In this biology activity, 9th graders identify and locate various vocabulary terms pertaining to ninth grade biology. There are 48 biology terms located in the word search.
Curated OER
Darwin's Theory
Young scholars write an essay about evolution. They summarize Darwin's Theory and discuss its strength and weakness of evolutionary theory. Students discuss the struggle of existence and survival of the fittest. They discuss the...
Curated OER
Comparative Embryology Using Japanese Medaka Fish
Learners conduct an experiment to control the breeding of Japanese Medaka fish. They collect the fertilized eggs and view and record the fish's embryological development daily to compare the stages to human development.
Curated OER
Dried Vs. Soaked Beans
Students observe the differences between a dry and soaked bean, and identify the functions and parts of a bean at the beginning of its growth.
PBS
Nova: How Is Sex Determined?
The sex of an egg cell is set as soon as it is fertilized, but what happens to that cell and the cells it divides into to make a baby boy or a baby girl? In this interactive, see how gonads-which look identical in early-stage...
Virginia Tech
Virginia Polytechnic Institute: Greenhouse Dinosaur Extinction Theory
This comprehensive page discusses the Asteroid Impact vs. Volcano-Greenhouse dinosaur extinction debate. It was written by paleontologist, professor, and scientist Dr. Dewey McLean.
Exploratorium
Exploratorium: Which Embryo Is Human?
Scientists can use the research they gather from studying embryos of dogs, lizards, fish, and chickens to better understand human embryos. How is this possible? You'll find out with this Exploratorium resource.
Other
Marine Biological Laboratory: Why Study Marine Organisms for Biomedical Research
Descriptions of various research projects using marine organisms that have direct impact on medical research. The resource has a perspective on how medicine makes progress.