Bozeman Science
Population Modeling
Paul Andersen shows you how we can use a spreadsheet to model population changes. He begins with a brief discussion of populations and life cycles. He then shows you how you can model a single generation using a spreadsheet.
Curated OER
Reproductive System
Begin looking at reproduction by contrasting sexual reproduction with asexual reproduction. Sexual reproduction gives us genetic variation as meiosis creates brand new chromosomes through cross over. Male and female anatomy is covered,...
Khan Academy
Embryonic Stem Cells, Cells, MCAT
A presentation which concentrates on the development of the blastocyst and embryo after fertilization. Topics begin with the scientific names and processes at each stage and then develop into an explanation of embryonic and somatic stem...
Amoeba Sisters
Speciation
Why can't mules have babies? Answer this—and other burning animal kingdom mysteries—with a short, sweet speciation video! Zoology scholars examine the ins and out of evolution, the role geography plays in inheritable traits, and, most of...
Teacher's Pet
Mitosis and Meiosis
Use chromosomes in marketing because as you know, sex cells. The video explains both mitosis and meiosis. It focuses on both the similarities and the differences in the process of forming sperm, egg, and zygote.
Crash Course
Reproductive System – Sex and Fertilization (Part 3)
Having sex calms nerves, reduces blood pressure, and reduces stress. Video 42 in a series of 47 specifically focuses on sex and fertilization. The narrator discusses how scientists determined the four phases of sexual response during the...
SciShow
Gynandromorphs: Dual-Sex Animals
Gynandromorphy is when an animal is part male and part female. Video explains the development of gynandromorphs from zygotes. It describes the various combinations of chromosomes that produce different classifications of dual-sex...
SciShow
Twins x Twins = Twins?
If identical twins had children with identical twins, would their children also be twins? The short answer is no, and the video explains why by relating the DNA of siblings to that of identical twins and the long-term implications of the...
Crash Course
Animal Development: We're Just Tubes
All humans begin as one cell and through mitosis, develop into an organism made of millions of cells, each specialized to keep people alive. The narrator of this short video explains the process by which embryos grow from a morula to a...
TED-Ed
How to Make a Baby (in a Lab)
With over five million babies being born through in vitro fertilization in the last 40 years, sex education is taking on a whole new look. After first walking through natural process of reproduction, this short video goes on to...
Khan Academy
Khan Academy: Cell Division: Mitosis, Meiosis and Sexual Reproduction
Gain an understanding of mitosis, meiosis and sexual reproduction. Vocabulary introduced gametes, zygotes, and haploid / diploid numbers.