It is most likely because Mary’s body went through changes. And from 6 months to a year after pregnancy these “embarrassing symptoms can persist. There can be hormonal changes and cause the body to do abnormal things.
I hope this helps.
Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.
Gene flow does not promote speciation, whereas season of fertility, natural selection, and genetic drift do.
In most cases, the two major climatic factors affecting the distribution of organisms in terrestrial ecosystems are the amount of water and temperatures. Terrestrial ecosystems rely on the sun's energy to support the growth and metabolism of the organisms. Plants use the sunlight, then they supply the organisms that are higher up the food chain with energy and the structural buildings blocks of life. Water is also essential for the survival of these organisms.
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species
