Heavy rain, because it blocks up the soil so air can't get through
No, but they have cartilage. That's what makes the Earthworm move!
Earthworms are helpful because of their fecal matter. Its feces help soil grow crops.
The general term for an environmental factor that causes a population to decrease is a limiting factor. Some examples are emigration and mortality, a lack of resources, natural disasters happen which makes people scared to to live there so the people flee, and habitat loss.
Well, if theres a lot of polution or mold, or something in the air, then it makes it very hard to breath. and that stuff is not good for your lungs.
Earthworms prefer wet soil because they use their entire body surface as a respiratory surface, meaning they breathe through their skin. Keeping their skin moist makes it easier for air to diffuse across the skin.
because they create tunnels in the soil which makes air pass through
because it is moisture down there...........................
The typhlosole is a fold in the intestinal wall of an earthworm that increases the surface area for absorption of nutrients. It helps in the digestion and absorption of food in earthworms by providing more surface area for enzymes to break down food particles and for nutrients to be absorbed.
Earthworms are ideal specimens for laboratory use due to their relatively simple anatomy, ease of care, and rapid reproductive cycle. Their transparent skin allows for easy observation of internal structures, making them excellent for educational purposes and experiments. Additionally, earthworms play a crucial role in soil health and ecology, providing valuable insights into environmental studies. Their availability and low cost further enhance their suitability for research.
This is not part of human physiology. Unless you have a very strange anatomy.
They improve drainage, aerate the soil and introduce leaves and other material from the surface into lower layers.TO make the soil loose,so that water and aircan easily penitrate into itIt makes "breathing tubes" for the earth and it makes the earth healthy.They let all of the plants grow by doing that too because it makes space in the ground for their roots.It eats its way through tiny crushed plant particles excreting its leftovers as fertile soil material.
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