lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. Mating, Monogamy, Disease and Celestial Events Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link SciShow Subject Health and Wellness — Personal and Community Health • Science — Biology, Earth and Space Science Grade Level Grades 9-12 License About Resources Reviews Related About This Lesson Chagus disease, a couple of interesting celestial events and the benefits of sexual reproduction. Resources External resources http://www.youtube.com/watch?v=86IaVbuV97k Website Reviews Be the first to submit a review! Advertisement More from this Contributor Lesson SciShow Talk Show: #3 Grade 9 SciShow Lesson SciShow Talk Show: #14 Grade 9 SciShow Lesson SciShow Talk Show: #13 Grade 9 SciShow Lesson SciShow Talk Show: #12 Grade 9 SciShow Lesson SciShow Talk Show: #10 Grade 9 SciShow Lesson SciShow Talk Show: #1 Grade 9 SciShow