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It produce and contains the male gametes called antherozoids.it is present in the gametophyte phase of a lower plants.
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Structure that holds antheridia and archegonia in ferns?
The antheridia and archegonia of a fern are located on the prothallus, which is heart-shaped. The prothallus is anchored to the soil by rhizoids.
What is the male gametangium in mosses called?
Antheridia (Antheridium)
What plants have a prothallus that forms archegonia and antheridia and has a dominant sporophyte?
ferns.
Why don't archegonia and antheridia mature at the same time on a prothallus?
To avoid self-fertilisation which decreases genetic-diversity
What is an antherozoid?
An antherozoid is one of the mobile male reproductive bodies in the antheridia of cryptogams, a form of plant which reproduces using spores.
Are Antheridia present in conifers?
Yes.
Structure that holds antheridia and archegonia in ferns?
The antheridia and archegonia of a fern are located on the prothallus, which is heart-shaped. The prothallus is anchored to the soil by rhizoids.
Why is it advantageous for the antheridia and archegonia to be located on the underside of the prothallus?
It is advantageous for the antheridia and archegonia to be located on the ventral aspect of the fern. This keeps the genetalia closest to the rhizomes.
What is the male gametangium in mosses called?
Antheridia (Antheridium)
The sperm of a moss is produced within the structure called the?
Antheridia. E2020
What do antheridia produce?
In seedless plants, fungi, and algae it produces sperm
What plants have a prothallus that forms archegonia and antheridia and has a dominant sporophyte?
ferns.
The egg of a moss is produced within a cavity called what?
The Venter
Do vascular plants produce antheridia and archegonia on the same gametophyte?
Only in those cases where spores are not differentiated into micro- & megaspores for developing the gametophytes. Thus homosporous vascular plants produce archegonia and antheridia on same gametophyte.
Which of the following plants has a prothallus that forms archegonia and antheridia and has a dominant sporophyte?
Flowering Plants.
Where are the antheridia and archegonia found in ferns?
the underside of the gametophyte
What is the difference between antheridia and archegonia?
Antheridium is the male part of seedless plants, like algae and fungi, and the archegonium is the female part.
