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…
what structure of gymnosperms are homologous to gametophytes of the seedless plants?
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- What features distinguish gymnosperms from seedless plants?If ferns produce spores, are they a sporophyte or agametophyte? Are they haploid or diploi Describe two differences between a fern sporophyte and a moss sporophyte. Are fern spores haploid or diploid? Are the spores produced by meiosis or mitosis? Where are the spores produced?What are the microsporangia of seed plants?
- What is the Gametophyte structure of Fern, Pine tree and Gumamela?What are the Classification in terms of spore production of fern, pine tree and gumamela?What structure(s) are associated with making male gametophytes on flowering plants?How are the femalegametes of gymnospermsformed? What is therelationship between thisprocess and the concept ofalternation of generations?