noun Mycology. a gamete-producing thallus.

What do you mean by Gametophore?

: a modified branch (as of a moss) bearing gametangia.

What does REQI mean?

to call on authoritatively; order or enjoin to do something: to require an agent to account for money spent. to ask for authoritatively or imperatively; demand. to impose need or occasion for; make necessary or indispensable: The work required infinite patience.

Who is Linnaeus of mycology?

Carl Linnaeus The founding nomenclaturist Carl Linnaeus included fungi in his binomial naming system of 1753, where each type of organism has a two-word name consisting of the genus and the species (whereas up to then organisms were often designated with Latin phrases containing many words).

Do chytrids reproduce asexually?

For most members of Chytridiomycota, asexual reproduction occurs through the release of these zoospores derived through mitosis. In some members, sexual reproduction is achieved through the fusion of isogametes. Chytridiomycota are coenocytic with no distinction between individual cells.

What is the difference between gametophore and gametophyte?

As nouns the difference between gametophyte and gametophore is that gametophyte is (botany) a plant (or the haploid phase in its life cycle) which produces gametes by mitosis in order to produce a zygote while gametophore is (botany) in ferns, the bearer of sex organs.

Is Antheridium a sporophyte or gametophyte?

The male sex organ in non-flowering plants is called an antheridium. A gametophyte is the haploid gamete-producing form of a plant, while a sporophyte is the spore-producing form of the plant.

What are Archegoniophores?

: the stalk or other outgrowth of a prothallium upon which archegonia are borne (as in liverworts of the genus Marchantia) compare carpocephalum.

Is Requirer a word?

require. 1. To have as a requisite or necessity; need or depend on: Do you require assistance?

What is the meaning of requited love?

To requite something is to return it. However, saying that you want to requite a gift means that you want to give something in return for it not that you want to return the gift to the store for some quick cash. Requite is often used in the context of love; if you requite someone’s love, you love that person back.

What do you mean by obtained?

to come into possession of; get, acquire, or procure, as through an effort or by a request: to obtain permission; to obtain a better income. Obsolete. to attain or reach. to be prevalent, customary, or in vogue; prevail: the morals that obtained in Rome. Archaic. to succeed.

What did Linnaeus discover?

Swedish naturalist and explorer Carolus Linnaeus was the first to frame principles for defining natural genera and species of organisms and to create a uniform system for naming them, known as binomial nomenclature.

What work did Carl Linnaeus do?

Carl Linnaeus is famous for his work in Taxonomy: the science of identifying, naming and classifying organisms (plants, animals, bacteria, fungi & more).

What is a mushroom scientist called?

A mycologist is someone who works with fungi, which are living organisms such as molds, yeast, and mushrooms.

What is a Zygosporangium in biology?

: a sporangium in which zygospores are produced.

Why are chytrids found in water?

Chytridiomycetes are true Fungi that require water to disperse throughout their environment. … Chytrid zoospores are readily dispersed in the presence of free water but this need for water does not restrict them solely to aquatic habitats.

When it comes to chytrids What is evolutionary significance?

3 What is the evolutionary significance of phylum Chytridiomycota? They are the oldest known fungi in the fossil record. 4 Name and describe five typical ascomycetes.

What is the other name of male gametophyte?

In flowering plants, the male gametophyte (or pollen grain) plays a vital role in plant fertility and crop production through the generation and delivery of the male gametes to the embryo sac for double fertilization.

What is Calyptra botany?

Bryophytes. In bryophytes, the calyptra (plural calyptrae) is an enlarged archegonial venter that protects the capsule containing the embryonic sporophyte. The calyptra is usually lost before the spores are released from the capsule. The shape of the calyptra can be used for identification purposes.

Is Seta diploid?

Diploid (2n) cells arising from the zygote continue to divide to form a small sporophyte (2n). The sporophyte consists of a stalk (called seta) and a capsule, remains attached to the gametophyte, living in depency with it. … (The sporophyte is thus the only diploid phase of the entire life cycle in mosses).

What is Oogonium and antheridium?

description. In plant reproductive system: The cellular basis. the male gametangia are called antheridia and the female oogonia or archegonia. A female gametangium with a sterile cellular jacket is called an archegonium, although, like an oogonium, it produces eggs.

What are Antheridiophores and antheridium?

An antheridium or antherida (plural: antheridia) is a haploid structure or organ producing and containing male gametes (called antherozoids orsperm). … In bryophytes, the antheridium is borne on an antheridiophore, a stalk-like structure that carries the antheridium at its apex.

What is antheridium with example?

An antheridium is a haploid structure or organ producing and containing male gametes (called antherozoids or sperm). … Many algae and some fungi, for example ascomycetes and water moulds, also have antheridia during their reproductive stages.

What is a Gemma Cup?

Definition. A small receptacle or cup on upper surface of bryophytes in which gemmae are produced from which they are splashed out of and dispersed by rain drops.

What are Antheridiophores and Archegoniophores?

Antheridiophore and Archegoniophore are the structures found in plants like bryophytes. Antheridiophore is the stalk like structure (gametophore) that bears antheridia i.e male sex organs. Archegoniophore is a stalk like structure on which archegonium i,e female sex organs are borne.

Is duckweed a liverwort?

An aquatic liverwort (Ricciocarpus natans). The lobed, dorsi-ventrally flattened thallus (nonvascular plant body) floats on the surface of quiet streams and ponds. The numerous smaller plants are duckweeds (Lemna minuta), a flowering plant. … This liverwort floats on the surface of quiet streams and ponds.