what structure of gymnosperms are homologous to gametophytes of the seedless plants?

Q: Which are the opposite sexes in dioecious plants—the sporophytes or the gametophytes?

A: Dioecious plants are those plants that contain male and female reproductive organs in separate…

Q: How many haploid nuclei and haploid cells are present in female gametophyte of angiosperm?

A: Angiosperms are called flowering plants. The flower is the reproductive part of the angiosperms. A…

Q: How many cellular nuclei  the pollen tube of angiosperms have? What is the ploidy of each of these…

A: The pollen type or the male gametophyte of angiosperms have three nuclei Two sperm nuclei One tube…

Q: What are the four modern-day groups of gymnosperms?

A: It is derived from the Greek word gymnos which means naked and sperma meaning seed. They were the…

Q: There are four phyla that belong to the gymnosperm. Describe Phylum Ginkgophyta and explain why and…

A: Four phyla of gymnosperms are:- 1) Phylum Gnetophyta.  2) Phylum Cycadophyta  3) Phylum Ginkgophyta.…

Q: In what ways are the life cycles of angiosperms similar to and different from those of conifers?

A: Angiosperms are also known as vascular plants. They consist of stems, roots, and leaves. Apart from…

Q: What adaptations in plants are associated with angiosperms?

A: Angiosperms evolved during the Late Cretaceous Period, about 125-100 million years ago. The…

Q: What are seedless vascular plant ?

A: The vascular plants are tracheophytes that contain vascular tissues like xylem and phloem tissues…

Q: What is the meaning of the following structures in ferns and ferns allies?

A: Ferns are the gymnosperms that are vascular, non seed bearing, fruitless and flowerless plants that…

Q: What are the five key differences between angiosperms and gymnosperms?

A: The group of an autotrophic living organism with a eukaryotic cell and having a cell wall are termed…

Q: In what ways are the life cycles of angiosperms similar to anddifferent from those of gymnosperms?

A: The gymnosperms and the angiosperms are different in many ways and have some similarities as well.…

Q: What features not present in seedless plants havecontributed to the success of seed plants on land?

A: Seedless plants include Pteridophytes, Bryophytes, and Thallophytes. They often reproduce by giving…

Q: What are angiosperms, theflowering plants? What is themain feature thatdistinguishes them from…

A: Plants are the multicellular and photosynthetic organisms belonging to the kingdom Plantae except…

Q: What is the structure and Characteristics of Gymnosperms and its representative plants?

A: Plants are predominantly the photosynthetic eukaryotes belonging to the kingdom Plantae.…

Q: How are the male gametophytes and the male gametes formed in angiosperms?

A: Angiosperms are distinguished by the presence of enclosed seeds. Their seeds are present in the…

Q: Both gymnosperm and angiosperm bear seed ,then why are they classified seperatedly?

A: Plants are any member of the kingdom Plantae, comprising multicellular organisms. It generally uses…

Q: Do seedless vascular plants have "stems"?

A: Plants with vascular tissue however do not produce flowers and seeds are referred to as seedless…

Q: Are ferns evolutionarily an older or younger group than the gymnosperms and angiosperms?

A: Kingdom Plantae is a vast kingdom which includes plants . It is divided into :-  A ) Thallophyta  B…

Q: What is the most fundamental difference between the fern life cycle and that of mosses?

A: Introduction :- Mosses are non-vascular flowerless plants that belong to the Bryophyta taxonomic…

Q: What can you say about an early interpretation or hypothesis that the gnetophytes are probably the…

A: Taxonomy is the branch of biology concerned with the placement (of a new creature into an existing…

Q: What is the structure of gametophyte and sporophyte in rhodophyta?

A: Red algae, also known as Rhodophyta, are one of the most ancient types of eukaryotic algae. The…

Q: How different aregymnosperms frombryophytes andpteridophytes?

A: The kingdom Plantae is one of the most far reaching realms with more than 300,000 unique species.…

Q: what is the sporangial development characteristic of the fern.

A: Introduction: Ferns lie under the phylum Pteridophyta. It is a non-flowering plant and hence does…

Q: How are the femalegametes of gymnospermsformed? What is therelationship between thisprocess and the…

A: Gymnosperms were the first seed-producing plants. They are diverse in leaf types and reproductive…

Q: Draw the structure of gymnosperms?

A: Gymnosperms are naked seeded plants, these have exposed ovules on megasporophylls. These plants do…

Q: How reproduction occurs in gymnosperms?

A: Gymnosperms are naked seed plants. They are non-flowering and non-fruit-bearing plants.

Q: What is the structure of morphology of flowering plant ?

A: Flowers are also known as blossom. Their primary function is reproduction in plants. They also…

Q: Describe the function of an indusium in ferns. Is there a comparable structure in horsetails? If…

A: In certain ferns, a flap of tissue partially or completely covers each sorus. It develops from the…

Q: What are reasons for dominance of vascular plants?

A: Vascular plants possess conducting tissues: xylem and phloem. Xylem helps in the transportation of…

Q: What are the trends of thegametophyte in the evolutionof plants?

A: Plants have a life cycle called "alternation of generations", in which a multicellular diploid stage…

Q: What features distinguish progymnosperms from seed ferns?

A: The seed ferns can also be referred to as Pteridospermatophyta. The extinction of seed ferns…

Q: How are the gametophytes of seedless vascular plants similar to the gametophytes of bryophytes? How…

A: Nonvascular and vascular plants make up the plant kingdom. The bryophytes, which include liverworts,…

Q: What are some of the reproductive advantages that angiosperms have that made them the dominant plant…

A: more photosynthesis meant more carbon for growth. And that would have given the angiosperms the…

Q: What adaptations do ferns have that both algae and bryophytes lack?

A: Bryophytes are thought to have descended from algae. Both algae and bryophytes have cellulose-based…

Q: What features distinguish cycads from ginkgo? from gnetophytes?

A: Ginkgo can be described as the large tree possessing fan-like leaves. Ginkgo can be utilized by…

Q: What features not present in seedless plants have contributed to the enormous success of seed plants…

A: The seedless plants are algae, bryophyte and pteridophytes.  The seed bearing plants are gymnosperm…

Q: What would be a more distinct lifestage in seedless vascular plants? Sporophyte or Gametophyte

A: Introduction :- Plants with vascular tissue but no flowers or seeds are known as seedless vascular…

Q: If Rhynia or its contemporaries were the ancestors to the ferns, how did the gametophytes and…

A: Rhynia existed during Siluria and Devonian times.

Q: What are external features of gymnosperms?

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

Q: In what three ways does reproduction in the angiosperms differ from that of the gymnosperm?

A: The process by which the plants produce new offspring is called reproduction. Plants reproduce…

Q: What are fruits? What can they look like? What are their function? What were early angiosperms like?…

A: 1.The fruit comes from the fleshy or dry ripened flowering and contains seeds.  Example: Apple,…

Q: How are male gametophytes and male gametes formed in angiosperms?

A: Introduction :- Angiosperms are types of vascular plants that have stems, roots, and leaves.…

Q: what dicot group to diverge from the gymnosperms?

A: Phylogeny is the branch of biology that studies phylogenetic analysis. A phylogenetic analysis is…

Q: Describe progymnosperms. What were the significant evolutionary advances that characterized…

A: Gymnosperms are naked seeded plants and have no flowers or fruits. They include different phyla,…

Q: What are charcteristics features of bryophytes and gymnosperms?

A: The Kingdom Plantae includes autotrophic organisms that are able to make their own organic…

Q: How different are theendosperm of gymnospermsand the endosperm ofangiosperms?

A: Angiosperms are the vascular seed, flowering plants. Angiosperm is the most diverse group among land…