Q: Do all mammals have aplacenta?
A: Placenta is the organ that develops in the uterus during pregnancy. This structure is essential for…
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 the number of chromosomes in worm?
A: Chromosomes are thread-like structure of nucleic acids and protein, which are found in the nucleus…
Q: Describe the process involved in hermaphrodite reproductive strategy in chaetognatha.
A: Chaetognaths also called as arrow worm because of its shape as torpedo or arrow. These are dominant…
Q: What is the female gametophyte?
A: Plant reproduction is the creation of new posterity in plants, which can be cultivated by sexual or…
Q: What is the significance of the notochord?
A: Chordates includes all animals containing a vertebrate or a backbone. Two groups of the…
Q: What are Trochozoans ? Explain what do they play ?
A: The Trochozoa are a proposed Lophotrochozoa clade that is sister of Polyzoa. The trochozoans clade…
Q: Define the Reproduction and Development of Grasshopper ?
A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…
Q: What is 13 celled male gametophyte in Selaginella?
A: Selaginella is the genus of lycophyte, commonly known as spike mosses and includes about 700 species…
Q: Describe the function of the clitellum and cocoon
A: Annelids are classified on the basis of their characters, morphology, anatomy, and most importantly…
Q: What is the male gametophyte?
A: Angiosperm the flowering plants show the unique characteristic of fertilization referred to as…
Q: How do the positions of the archegonium and antheridium relate to their reproductive function?
A: In the plant, anatomy archegonium can be described as a flask-shaped multicellular female structure…
Q: Write a note on mode of fertilization in Selaginella.
A: Selaginella is the only life genus from the Selaginellales order and is generally referred to as…
Q: Diagram and describe the development of male andfemale gametophytes and the development of…
A: Sexual reproduction in plants is complex as compared to its vegetative reproduction. It is studied…
Q: Is the possession of flagellated sperm a primitive or advanced characteristic in the plant kingdom?…
A: A primitive characteristic in the plant kingdom is the possession of flagellated sperm. It is found…
Q: Describe organization of megaspore & development of female gametophyte in Selaginella.
A: Selaginella are member of Division Lycophyta. They occur in varied places like moist, shaded, humid…
Q: Which angiosperm contain egg apparatus?
A: Angiosperms are also known as flowering plants in which seeds are formed inside fruits. They are…
Q: Do the multicellular sex structures of plants give them any advantages over other organisms with…
A: Plants play important role in producing oxygen on the earth. Plants go through the process known as…
Q: Why are insects hard to control?
A: A pest is defined as an organism, plant, insect, or animal capable of interfering with human…
Q: How does the structure of tissue surrounding the reproductive structures compare with that of green…
A: Algae are chlorophyll bearing thalloid organisms. The eukaryotic algae are part of plantae and…
Q: Explain the process of fertilization in Selaginella.
A: Selaginella is the only life genus from the Selaginellales order and is generally referred to as…
Q: Giving details diagram the process of tetrasporic megagametogenesis. Give full details
A: INTRODUCTION It is a process of maturing female gametophyte in plant production. In the female…
Q: In the sexual reproducing phyla Nematoda, are the animal’s hermaphrodites or separate sexes?
A: Hermaphrodites are the animals which have both the sexes present in the same body i,.e they are able…
Q: Explain about The Megasporangium (Ovule).
A: A sporangium is the capsule structure that belongs to many plants and fungi, in which the…
Q: What is the function of the arachegonium? O a. To carry out a sexual reproductive O b. To produce…
A: An archegonium is a multicellular construction or organ of the gametophyte period of specific…
Q: What are the microsporangia of seed plants?
A: Seed plants produce seeds after sexual reproduction for dispersal and multiplication. Most of the…
Q: What are the distinguishing characteristics of insects?
A: Insects belong to the phylum Arthropoda, which is one of the most successfully evolved phylum of…
Q: Fern Prothallus Describe the process of fertilization in ferns
A: Ferns are like conifers and flowering plants that are leafy vascular plants. They also have veins in…
Q: Give a short note on the reproductive system of Rana?
A: Reproductive system or the genital system includes all organs and their related structures that…
Q: What is the mot distal part of a crinoid that is associated with feeding? A. brachige B. Pinnules C.…
A: Crinoids are marine animals belonging to the phylum Echinodermata and the class Crinoidea.
Q: What is the other name of megasporangiate strobili? What you will find in this?
A: Strobili are the structure in which the sporangia are found in aggregate form. It is found in…
Q: What happens to sperm when they enter neck of fern archaegonium?
A: A part of the plant that serves the function of the production of the female ovum or egg is called…
Q: Give the digrammatic reprsentation showing a leeping frog?
A: Vertebrates have spinal cord which remain surrounded by bone or cartilage. Reptiles, birds, fish,…
Q: What are the genes and proteins involved in the formation of axes in nematodes?
A: Any worm of the phylum Nematoda is known as Nematodes. They are commonly known as roundworms. They…
Q: What is the clitellum of earthtworms and where it is located?
A: An earthworm is a terrestrial invertebrate found in the upper layers of the moist soil that is rich…
Q: What is the natural habitat of insects?
A: The members of phylum Arthropoda are collectively referred to as arthropods. Segmented body, the…
Q: what do you know about reproductive system of insects and its types? explain briefly
A: Insects belong to the group Arthropoda of the animal kingdom.
Q: What is the notochord?How is this structure formed?
A: Embryology is about the study of zygote and embryonic and organ development in plants and animals.…
Q: How are growth and development controlled in insects?
A: Insects are categorized as arthropods.
Q: What is the adult fate of notochord? Discuss.
A: The notochord is a elastic bar which reaches out through Chordate organisms, offering unbending…
Q: What is the destination of the notochord in vertebrates and in protochordates?
A: A notochord appears in embryos as a small flexible rod made from cells from the mesoderm. It is only…
Q: What is the structure of theadult fern within which cellsundergoing meiosis can befound?
A: Plants are multicellular organisms in the kingdom Plantae. Plants use the process of photosynthesis…
Q: What are the stages of the life cycle of a housefly
A: The house fly is widespread in both rural and urban settings and can be found in all types of…
Q: What are the adaptations of Rana?
A: Rana is the genus name of the common pond frogs. Rana temporaria is one of the most common species…
Q: What are the club shaped male sex organs in mosses called?
A: Mosses belong to the class of Bryophytes. They are known as the 'Amphibians of the Plant Kingdom' as…
What are the flask shaped female sex organ in mosses called?
Step by step
Solved in 2 steps
- Describe organization of megaspore & development of female gametophyte in Selaginella.What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?How does sexual reproduction in plants differ with animals?
- How do plants control theopening and the closing of thestomata?What are the features and structures related to embryonic dependency in plants? What is a gametangia? What is the different between archegonia and antheridia? What is the apical meristem and why is that an important feature in plants?What is the function of the ovaries in a flowering plant? To produce female gametes To produce male gametes To produce male and female gametes