What is the dominant phase in the life cycle of a Pterophyte? Is it haploid or diploid? dentify the structure pictured below.

Q: What are homosporous pteridophytes ? Give example.

A: Homosporous Pteridophytes produce only one type of spores in their sporophytes. These spores are…

Q: What event begins the gametophyte phase of the life cycle? Where does this event occur in liverworts…

A: Bryophytes are gametophyte dominant, that are more prominent longer lived plant which is the haploid…

Q: What are heliophytes and sciophytes? Give an example for each.

A: Heliophytes can be defined as the type of plants that survive in the area where light with high…

Q: Is the sporophyte of mosses ever independent of the gametophyte? Explain.

A: Plants are the autotrophs and primary producers in the food chain. Plants are classified as…

Q: describe alternation of generations in plants using the words Haploid -   Diploid -…

A:

Q: How are gametes formedin the pteridophyte life cycle,by mitosis or meiosis? What isthe type of…

A: Pteridophytes belongs to the category of vascular plants as it contains both, xylem and phloem.…

Q: What is unique about the cells of cryptomonads and those of haptophytes?

A: CRYPTOMONADS Cryptomonads are aquatic unicellular eukaryotes that inhabit both marine and…

Q: What are general characters of pteridophytes?

A: The plant kingdom is very large. It consists of a wide variety of plants that differ from each other…

Q: What is the morphology of the megasporangium of a heterosporous Selaginella plant? How does the…

A: The Selaginellales (spike mosses) are an ancient group of plants which are present in both the…

Q: What are the mainrepresentatives of thepteridophytes? Is this plantgroup cryptogamic orphanerogamic?

A: The plants that consist of vascular tissue namely xylem and phloem but neither produces seeds nor…

Q: How do the leaves of xerophytes differ from those of hydrophytes? What is the significance of this…

A: A leaf is a vascular plant's main lateral appendage, generally borne above ground and adapted for…

Q: What is the type of lifecycle present inpteridophytes?

A: The phylum Pteridophyta include plants reproducing by spores and having vascular tissue, roots,…

Q: Give any four characters of bryophytes?

A: Bryophtes are teressstial plants. It includes the embryophytes, like hornworts, mosses, and…

Q: In what respect the spoprophyte of Pteridophytes and Spermatophytes areidentical.

A: Plants are categorized according to how close their characteristics are. Flowering habits, stem and…

Q: What are the benefits to a diploid sporophyte over a haploid sporophyte? List and explain atleast…

A: ANSWER: More variation in the human gene pool As a result of having twice as many chromosomes as…

Q: What is another word for microgametophyte?

A: The male gametophyte that emerges from heterosporous plants' microspores. Microgametophytes are…

Q: In the green algae studied, where in the life cycles does the chromosome number change from haploid…

A: Algae are diverse aquatic organisms which are multicellular, eukaryotic and photosynthetic in…

Q: Chlamydomonas is the closest living relative to all 'true' plants. True or False?

A: The given statement is: False.

Q: Which is the dominant part of the Lycopodium life cycle, the sporophyte or gametophyte?

A: The kingdom Plantae is further divided into several phyla. Lycopodium belongs to the Pteridophyta…

Q: Define what are heterosporous pteridophytes? Give example.

A: these are the vascular plant they disperse spore they are also known as cryptogams they are seedless…

Q: Which of the following are parts of the gametophyte generation in mosses: antheridia, zygote,…

A: Bryophytes, the amphibians of the plant Kingdom, consist of Class Liverworts and Mosses. All…

Q: Does structure "A" produce haploid or diploid spores? Is structure "B" coenocytic or septate? ·B A -

A: Fungi are so, sometimes filamentous or formed bt tube-like structures. That tubes could be separated…

Q: Give a biological reason why in some xerophytes ,leaves are modified into spines.

A: A leaf is a lateral appendage present on the stem of vascular plants. This structure is specialized…

Q: What is the lasting form inpteridophytes, thegametophyte or thesporophyte? How can it becompared to…

A: Pteridophytes are spore producing plants. They neither produce flower or seeds. Pteridophytes are…

Q: How does the symmetry of a moss gametophyte compare with that of a liverwort gametophyte?

A: Symmetry & other features comparison:                          Liverwort Gametophyte…

Q: Why is there so much variation in branching patterns?

A: Variations in the branches of the aortic arch are mainly because of alteration in the development of…

Q: Name the structure in moss capsule that is haploid tissue.

A: Mosses are no-vascular plants that produce spores for reproduction instead of seeds. They do not…

Q: Explain role of meiosis and mitosis in the Lifecycle of bryophytes

A: Bryophytes are lower groups in the plant kingdom. They are often called amphibians of the plant…

Q: Name three group of plant that bear archegonia. Breifly describe the life cycle of any one?

A: Archegonium is a multicellular structure or organ of gametophyte phase of certain plants.It produces…

Q: se you are given a plant belonging to the Division Gnetophyta, how would you tell the genus to which…

A: All the living organism are classifies into the five kingdoms. These five kingdoms includes Plantae,…

Q: What is another word for microgametophyte?

A: Microgametophytes are pollen grains found in gymnosperms and angiosperms.

Q: What is known about C4 plant evolution?

A: C4 plants are plants with distinctive kranz leaf anatomy which has chlorophyll- containing mesophyll…

Q: Which part of the life cycle of Equisetum is dominant, the sporophyte or gametophyte?

A: R.H. Whittaker proposed the five-kingdom classification based upon certain characters like mode of…

Q: From the seed plant phylogeny, which of the following is true of the Gnetophyta? a) They are a…

A: Monophylectic group ( clade) have only one common ancestor.  Paraphylectic group consists of the…

Q: What are Pteridophytes? Where are they grown?

A: Vascular plants have vascular tissues, which circulate resources through the plant. The vascular…

Q: Do Bryophytes have a haploid or a diploid dominant life cycle?

A: Answer:  BRYOPHYTES = These are small, green plants, having chlorophyll a and b and has motile…

Q: Define free living gametophytes?

A: A gametophyte is one of the two alternating phases in the life cycle of plants and algae. It is a…

Q: Compare and contrast the three bryophyte groups in terms of distinguishing morphoanatomical…

A: Comparison:               Criteria              Hornworts               Liverworts…

Embryology