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plants
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Can irish moss and linseed produce sperm?
No, Irish moss (seaweed) and linseed (flaxseed) are not known to produce sperm. Sperm is produced by the male reproductive system in animals. These plants do not have a reproductive system capable of producing sperm.
Do moss and fern plants have alteration of generation?
Yes. The moss and ferns have two different forms, one of which reproduces by shooting spores into the air, which then form into small plants that release sperm and eggs. These combine into an embryo that grows into a plant which releases spores, repeating the cycle.
How are the archegonium and antheridium important in the life cycles of a moss?
The antheridium is the male sex organ of a moss, and the archegonium is the female sex organ. These two, when joined produce moss offspring. So, why is it important in the life cycle of a moss? It's because moss need them so that they can reproduce.
What has a water-resistant covering and gametophyte parts that can produce sperm?
A moss sporophyte has a water-resistant covering and gametophyte parts that can produce sperm. The sporophyte is the dominant stage in the moss life cycle and is responsible for producing spores through meiosis. The spores develop into new gametophytes that can produce both sperm and eggs.
Where can gametangia in moss plant be found?
The tips of a typical moss plant become fertile producing sex organs, say gametangia. Archegonium produces an egg, the antheridia produces a biflagellated sperm, both elevated in a stalk or pedicel.
Is moss motile or non motile gametes?
Moss gametes are non-motile. In moss reproduction, male gametes, or sperm, are produced in antheridia and are released into water, where they swim to reach the female gametes, or eggs, housed in archegonia. However, the sperm itself does not have the ability to move independently; it relies on water for transport.
What are moss egg cells produced by?
Moss egg cells are produced by the female reproductive organs called archegonia in moss plants. The archegonia are responsible for producing and releasing the egg cells, which are then fertilized by sperm cells to form a zygote.
What is the difference between the 2 generations of a moss plant?
Mosses have a life cycle with two very different stages. One generation looks plantlike. The plantlike generation carries out sexual reproduction. it makes egg and sperm cells that join to produce a new moss plant. Then the other generation begins. This generation looks like a stalk that grows out of the leaf like part of the moss. This generation carries out asexual reproduction, in which a new plant is produced without the joining of a sperm and an egg cell. The stalk produces spores. A spore is a structure that contains cells that can grow into a new plant without joining with other cells.
Explain the life cycle of mosses funaria?
In the life cycle of Funaria (common moss), the plant begins as a haploid spore that germinates into a protonema. From the protonema, moss gametophytes grow, producing male and female gametangia that release sperm and eggs, respectively. Fertilization occurs, leading to the formation of a diploid sporophyte that produces spores through meiosis, which then disperse to start the cycle anew.
What is a form of a moss plant that produces gametes?
Moss must grow close together and must have water to complete their life cycle. Gametophyte stage is dominant in the moss's life cycle where the eggs and sperm are produced. Mosses produce two kinds of gametes.
In moss plants the antheridium produces what?
sperm
Why do you have to have a moss for tetras to lay eggs?
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