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Biology: Animal Reproduction

Genetics & Biotechnology

Mating RItuals

Mating in Insects
Smithsonian Institution
Ten Strange, Endearing and Alarming Animal Courtship Rituals
Cool Green Science

External vs. Internal Fertilization

External and Internal Fertilization
Lumen Biology
Plant and Animal Reproductive Strategies: Lessons from Offspring Size and Number Tradeoffs
Frontiers in Ecology & Evolution. Academic paper.

Hermaphroditic Species

Gender-bending Fish
U Berkeley
Why Don’t More Animals Change Their Sex
Yale News
Sea of Love: Hermaphroditic Fishes
OceanBites

Sexual Reproduction: Advantages, Disadvantages

Advantages and Disadvantages of Sexual Reproduction
Lumen. Biology
Sexual vs Asexual Reproduction: Scientists Find Sex Wins
UC Santa Barbara
Reproductive Isolation
U Berkeley

Importance of Egg Structure

Structure of the Egg
U of Illinois Ext
Introduction to the Amniota
UC Berkeley
Porous Science: How Does a Developing Chick Breathe Inside Its Egg Shell?
Scientific American