Animal Reproduction
The Grandmother Hypothesis for Menopause
We’ve already covered one hypothesis for why menopause exists, but there is another main hypothesis for the advent of reproductive cessation, and this one is
July 28, 2021
Month: July 2021
Animal Parenting
Maternal Behaviour and Recognition
Physiological, social, and environmental elements have influenced the evolution of the immense diversity in maternal behaviour across the mammalian order. There are two general phases
July 21, 2021
Animal Reproduction
Female Fire Salamanders Can Store Sperm For Months
In many anuran (frog and toad) species, females have a sperm-storage organ (a spermatheca) that enables them to keep sperm for long periods of time.
July 14, 2021
Animal Nutrition
Optimal Foraging Theory
Optimal foraging theory predicts that when there is intense competition for preferred resources, organisms should increase their diet breadth to include other less optimal items.
July 7, 2021