Curated OER
Typical Animal Characteristics
How is an animal formed? Scientists use a diagram to examine early post-fertilization stages, and the creation of the blastula. They look at a second diagram to observe the transition from the blastula to a gastrula. Three comprehension...
Curated OER
What is an Animal?
In this animal worksheet, students review various characteristics that are associated with animals including body plan and skeletal structure. This worksheet has 11 fill in the blank questions.
Curated OER
Pregnancy and Differentiation
In this pregnancy worksheet, students review the 5 steps of human development from ovulation to implantation plus embryo development. Students also review the 3 stages of birth. This worksheet has 8 fill in the blank, 4 drawing, and 3...
Curated OER
Stem Cell Development
Like a fresh canvas, stem cells can turn into almost anything. In a comprehensive lesson, high school biologists use clay to build a 3-D model of cell division and the processes that occur during the first 14 days of development. Also...
Curated OER
Body Plans and Adaptations
In this body plans and adaptations activity, students will review the different types of symmetry found in organisms. Students will identify body parts as found on either the ventral or dorsal part of an animal. Then students will look...
Curated OER
Reproduction and Development
For this development worksheet, high schoolers compare the characteristics of mitosis and meiosis. Students review the male and female reproductive organs and their functions. This worksheet has 4 graphic organizer, 6 short answer, and...