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Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
molecule that does not have the ability to bond with water; “water-hating”
Glossaries - Biology glossary

situation in which extracellular fluid has a higher osmolarity than the fluid inside the cell, resulting in water moving out of the cell

Mollusca
Glossaries - Biology glossary

phylum of protostomes with soft bodies and no segmentation

monocarpic
Glossaries - Biology glossary

plants that flower once in their lifetime

monocot
Glossaries - Biology glossary

related group of angiosperms that produce embryos with one cotyledon and pollen with a single ridge

monocyte
Glossaries - Biology glossary

type of white blood cell that circulates in the blood and lymph and differentiates into macrophages after it moves into infected tissue

monoecious
Glossaries - Biology glossary

describes a species in which the male and female reproductive organs are on the same plant

monogamy
Glossaries - Biology glossary

mating system whereby one male and one female remain coupled for at least one mating season

monogastric
Glossaries - Biology glossary

digestive system that consists of a single-chambered stomach

monohybrid
Glossaries - Biology glossary

result of a cross between two true-breeding parents that express different traits for only one characteristic

monomer
Glossaries - Biology glossary

smallest unit of larger molecules called polymers.

monophyletic group
Glossaries - Biology glossary

(also, clade) organisms that share a single ancestor

monosaccharide
Glossaries - Biology glossary

single unit or monomer of carbohydrates.

monosomy
Glossaries - Biology glossary

otherwise diploid genotype in which one chromosome is missing

monotreme
Glossaries - Biology glossary

egg-laying mammal

morning sickness
Glossaries - Biology glossary

condition in the mother during the first trimester; includes feelings of nausea