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| # | Thing | Description | Topic | For | Against | Net | |
|---|---|---|---|---|---|---|---|
| 501 |  | Endoplasmic reticulum | Cell organelle that processes proteins | Biology and health sciences | 0 | 0 | 0 |
| 502 |  | Enzyme | Large biological molecule that acts as a catalyst | Biology and health sciences | 0 | 0 | 0 |
| 503 |  | Epidemic | Rapid spread of disease affecting a large number of people in a short time | Biology and health sciences | 0 | 0 | 0 |
| 504 | Epidemiology | Study of health and disease within a population | Biology and health sciences | 0 | 0 | 0 | |
| 505 |  | Epidermis (botany) | Layer of cells that covers leaves, flowers, roots of plants | Biology and health sciences | 0 | 0 | 0 |
| 506 |  | Epigenetics | Study of DNA modifications that do not change its sequence | Biology and health sciences | 0 | 0 | 0 |
| 507 |  | Epilepsy | Group of neurological disorders causing seizures | Biology and health sciences | 0 | 0 | 0 |
| 508 |  | Epithelium | Tissue lining the surfaces of organs in animals | Biology and health sciences | 0 | 0 | 0 |
| 509 |  | Equidae | Family of hoofed mammals | Biology and health sciences | 0 | 0 | 0 |
| 510 |  | Ericaceae | Heather family of flowering plants | Biology and health sciences | 0 | 0 | 0 |
| 511 |  | Eruca sativa | Edible annual plant | Biology and health sciences | 0 | 0 | 0 |
| 512 |  | Escherichia coli | Rod-shaped, gram-negative bacterium | Biology and health sciences | 0 | 0 | 0 |
| 513 |  | Esophagus | Vertebrate organ through which food passes to the stomach | Biology and health sciences | 0 | 0 | 0 |
| 514 |  | Estrogen | Primary female sex hormone | Biology and health sciences | 0 | 0 | 0 |
| 515 |  | Ethology | Study of animal behaviour | Biology and health sciences | 0 | 0 | 0 |
| 516 |  | Eucalyptus | Genus of flowering plants | Biology and health sciences | 0 | 0 | 0 |
| 517 |  | Eudicots | Clade of flowering plants | Biology and health sciences | 0 | 0 | 0 |
| 518 |  | Euglenozoa | Phylum of protozoans | Biology and health sciences | 0 | 0 | 0 |
| 519 |  | Eukaryote | Domain of life whose cells have nuclei | Biology and health sciences | 0 | 0 | 0 |
| 520 |  | Euphorbiaceae | Family of Eudicot flowering plants | Biology and health sciences | 0 | 0 | 0 |
| 521 |  | Eurasian eagle-owl | Species of owl | Biology and health sciences | 0 | 0 | 0 |
| 522 |  | Eurasian magpie | Species of bird | Biology and health sciences | 0 | 0 | 0 |
| 523 |  | European badger | Species of mustelid | Biology and health sciences | 0 | 0 | 0 |
| 524 |  | European bison | Eurasian species of mammal | Biology and health sciences | 0 | 0 | 0 |
| 525 |  | European seabass | Species of fish | Biology and health sciences | 0 | 0 | 0 |
| 526 |  | Eurypterid | Order of arthropods (fossil) | Biology and health sciences | 0 | 0 | 0 |
| 527 |  | Evolution | Change in the heritable traits of populations | Biology and health sciences | 0 | 0 | 0 |
| 528 |  | Excavata | Obsolete grouping of single-celled organisms | Biology and health sciences | 0 | 0 | 0 |
| 529 |  | Excretion | Elimination of metabolic waste products by an organism | Biology and health sciences | 0 | 0 | 0 |
| 530 |  | Exercise | Physical activity that improves health | Biology and health sciences | 0 | 0 | 0 |
| 531 |  | Extremophile | Organisms capable of living in extreme environments | Biology and health sciences | 0 | 0 | 0 |
| 532 |  | Eye examination | Series of tests assessing vision and pertaining to the eyes | Biology and health sciences | 0 | 0 | 0 |
| 533 |  | Fabaceae | Family of legume flowering plants | Biology and health sciences | 0 | 0 | 0 |
| 534 |  | Face | Front of a head | Biology and health sciences | 0 | 0 | 0 |
| 535 |  | Falcon | Birds of prey in the genus Falco | Biology and health sciences | 0 | 0 | 0 |
| 536 |  | Fat | Esters of fatty acid or triglycerides | Biology and health sciences | 0 | 0 | 0 |
| 537 |  | Fatty acid | Carboxylic acid | Biology and health sciences | 0 | 0 | 0 |
| 538 |  | Feather | Body-covering structure of birds | Biology and health sciences | 0 | 0 | 0 |
| 539 |  | Felidae | Family of mammals | Biology and health sciences | 0 | 0 | 0 |
| 540 |  | Female | Sex of an organism that produces ovums | Biology and health sciences | 0 | 0 | 0 |
| 541 |  | Female reproductive system | Reproductive system of female humans | Biology and health sciences | 0 | 0 | 0 |
| 542 |  | Feminine hygiene | Personal care for the female reproductive system | Biology and health sciences | 0 | 0 | 0 |
| 543 |  | Fennel | Flowering plant species in the carrot family | Biology and health sciences | 0 | 0 | 0 |
| 544 |  | Fermentation | Metabolic redox process producing energy in the absence of oxygen | Biology and health sciences | 0 | 0 | 0 |
| 545 |  | Fern | Class of vascular plants | Biology and health sciences | 0 | 0 | 0 |
| 546 |  | Fertilisation | Union of opposite-sex gametes in sexual reproduction to form a zygote | Biology and health sciences | 0 | 0 | 0 |
| 547 | Fetus | Prenatal organism between the embryonic state and birth | Biology and health sciences | 0 | 0 | 0 | |
| 548 |  | Ficus sycomorus | Species of fig | Biology and health sciences | 0 | 0 | 0 |
| 549 |  | Fig | Species of flowering plant, or its fruit | Biology and health sciences | 0 | 0 | 0 |
| 550 |  | Finch | Family of birds | Biology and health sciences | 0 | 0 | 0 |
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