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| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 851 |  | Marsupial | Infraclass of mammals in the clade Metatheria | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 852 |  | Marten | Genus of mammals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 853 |  | Measles | Viral disease affecting humans | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 854 |  | Medical doctor | Professional who practices medicine | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 855 |  | Medication | Substance used to diagnose, cure, treat, or prevent disease | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 856 | | Medicine | Diagnosis, treatment, and prevention of illness | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 857 |  | Megabat | Family of fruit bats | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 858 |  | Meiosis | Cell division producing haploid gametes | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 859 |  | Melanin | Group of natural pigments found in most organisms | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 860 |  | Mendelian inheritance | Type of biological inheritance | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 861 |  | Meningitis | Inflammation of membranes around the brain | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 862 |  | Menopause | Time when menstrual periods stop permanently | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 863 |  | Menstrual cycle | Natural changes in the human female reproductive system | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 864 | Mental disorder | Medical condition | Biology and health sciences | +0 / -0 / 0 | 0.500000 | |
| 865 |  | Mental health | Level of psychological well-being | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 866 |  | Mentha | Genus of flowering plants in the family Lamiaceae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 867 |  | Merino | Breed of sheep | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 868 |  | Meristem | Type of plant tissue involved in cell proliferation | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 869 |  | Metabolism | Set of chemical reactions in organisms | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 870 |  | Microbial cyst | Resting or dormant stage of a microorganism | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 871 |  | Microbiology | Study of microscopic organisms (microbes) | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 872 |  | Microorganism | Microscopic living organism | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 873 |  | Migraine | Disorder resulting in recurrent moderate–severe headaches | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 874 |  | Mimosa | Genus of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 875 |  | Mite | Small eight-legged arthropod | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 876 |  | Mitochondria | Organelle in eukaryotic cells responsible for respiration | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 877 |  | Mitosis | Cell division into two identical cells | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 878 |  | Moa | Extinct order of birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 879 |  | Mockingbird | Family of birds | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 880 | | Model organism | Organisms used to study biology across species | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 881 |  | Mole (animal) | Common name for several small mammals | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 882 |  | Mole cricket | Members of the insect family Gryllotalpidae | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 883 |  | Molecular biology | Branch of biology that studies biological systems at the molecular level | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 884 |  | Mongoose | Family of mammals in Africa and Asia | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 885 |  | Monkey | Animal of the "higher primates", excluding apes | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 886 |  | Monocotyledon | Clade of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 887 |  | Moose | Largest species of deer | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 888 |  | Moraceae | Family of flowering plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 889 |  | Morphine | Pain medication of the opiate family | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 890 |  | Morus (plant) | Genus of plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 891 |  | Moss | Division of typically non-vascular land plants | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 892 |  | Moth | Group of mostly-nocturnal insects in the order Lepidoptera | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 893 |  | Moulting | Process by which an animal routinely casts off a part of its body | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 894 |  | Mouse | Small long-tailed rodent | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 895 |  | Mouth | First portion of the alimentary canal that receives food | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 896 |  | Mule | Domestic hybrid of horse and donkey | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 897 |  | Mullet (fish) | Family (Mugilidae) of ray-finned fish | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 898 |  | Multiple sclerosis | Disease that damages the myelin sheaths around nerves | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 899 |  | Mumps | Human disease caused by paramyxovirus | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
| 900 |  | Muridae | Family of rodents | Biology and health sciences | +0 / -0 / 0 | 0.500000 |
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