Example image of eyePlorer eyePlorer map for 'Parent–offspring conflict': Robert Trivers Evolutionary arms race Offspring Parent Parental investment Sibling Gene Plant Seed Fitness (biology) Marginal value theorem Ovule Selection Genetic load Siblicide Fertilisation Pollen tube Abortion Outcrossing Self-pollination Bird Clutch (eggs) Infant Weaning Baboon Chimpanzee Rhesus Macaque Reproduction Lactation Thermoregulation Japanese Macaque Fetus Hormone Insulin Placenta Enzyme Miscarriage Progesterone Birth mass Hypertension Benzodiazepine Breast milk Lymphocyte David Haig (biologist) The kinship theory of genomic imprinting Runt Human behavioral ecology Evolutionary medicine Pre-eclampsia Inclusive fitness