Though some earthworms can fertilise themselves parthenogenesis , this is not the norm. Most earthworms require a mate of the same species to reproduce. You can tell when an earthworm is ready to mate because its clitellum will change colour from pinkish to red-orange. Here is the process of reproduction:. Some earthworms mate on the soil surface and some earthworms mate in the soil.
Given the dark soil environment, we think that earthworms produce a pheromone chemical that signals other earthworms in the area that it is ready to reproduce. Life on this planet would be a lot different without our little friends from down under.
The quality of our soil depends heavily on the livelihood of earthworms. In the long run, healthy high quality soils will be the key to a sustainable environment and thus sustaining ourselves.
The biological, chemical and physical properties of soil are essential for plant growth, regulating and partitioning of surface to ground water, and buffering, detoxifying and scrubbing of hazardous chemicals.
In actuality, the soil is a reservoir of biological diversity that likely exceeds that of aboveground ecosystems. Earthworms have some unique functions in the soil.
Their large burrows allow rain water easy entry into the soil, increasing the infiltration rate of soils. This prevents water erosion and lets water enter the rooting zone where it can be used by plants. Their burrows also allow roots to move easily through the soil into new spaces. Soil that has been worked by earthworms has a stable crumb-like structure which is less likely to blow away in the wind. Earthworms are considered very important in soil organic matter cycling.
Certain species are responsible for burying surface residue, while other species are actively involved in the decomposition process, making available important nutrients for other living organisms in the soil — like plants. Earthworms also have some negative traits. In certain areas, introduced species have created competition for native earthworms. This makes it very difficult for native species to live successfully and even survive, as native species frequently exist in small isolated areas.
They will eat their way through most kinds of kitchen scraps, including greens, coffee grounds, grains and fruit. Moisture is important to all worms, because the body of a worm is largely composed of water. Worms prefer to live in an environment where it is moist but not overly wet.
Too much water can actually end up killing worms; they take in oxygen through their skins and will quickly drown if their bodies are submerged. Temperature is also important. How can I buy if you do deliver? And how do you sell? Thanks so much for your reply. Im sure buying a product like …an animal for intended purpose of using it as a sacrifice… i see no reason why it shouldnt be just given away …those that really think this policy or style of a new disposable world is the only world left are in for a rude awakening…very soon….
I say God Bless you for the courage to use a trap device all theway to the phone on into the internet itself…. Your email address will not be published. Did you know that under favorable conditions, mature red worms can produce two to three cocoons per week?
Most people already know that worms are hermaphrodites. This means that they have both male and female reproductive organs. However, they cannot reproduce alone. They must pair with another worm for successful reproduction to occur. When two worms mate, they join and begin secreting mucus to create a mucus ring around them. After a few hours the worms separate and lay eggs and fertilize the inside of the cocoon.
0コメント