Q: How are the environmental agents for uniting sperm and egg different in pines and bryophytes?
A: Pines are a type of gymnosperms that are evergreen and coniferous trees. They are mostly monoecious,…
Q: What part of a grass coleoptile senseslight, and how is the signal transmitted?
A: Phototropism is one of the important responses in plants. It is the directional response that allows…
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: Which regions of pistil form fruits and seeds?
A: Flowers are the reproductive parts of the plant. These are not only involved in the process of…
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 is the role of the gametophyte in ferns?
A: Plants produce offsprings through various stages during their life cycle. Plants consist of two…
Q: What is the role of strobili or cones in plant kingdom?
A: Plants are mainly multicellular plants that have ability to perform photosynthesis and belong to…
Q: How do the reproductive organs of ferns differ from foliage leaves?
A: Foliage can be defined as the leafy parts of the tree or plant.
Q: Explain: Unlike seed ferns, cycad foliage leaves do not bear ovules.
A: Cycads contains few features of fern but they produce cones as a reproductive structure which is not…
Q: Which cell is fertilized to produce a new embryo in flower reproduction?
A: In flowers, female gametophyte refers to the embryo sac that develops from megaspore mother cell…
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 are seedless vascular plant ?
A: The vascular plants are tracheophytes that contain vascular tissues like xylem and phloem tissues…
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: Give the location and role of bulbils in lancelet?
A: Introduction: Bulbil also called as bulblet, are tiny secondary bulb like structures that are formed…
Q: Which angiosperm contain egg apparatus?
A: Angiosperms are also known as flowering plants in which seeds are formed inside fruits. They are…
Q: Why is ovule naked in gymnosperm?
A: Gymnosperms are known as plants with naked seeds or seed plants without flower. They have vascular…
Q: What is known as three-year-old woody twig ?
A: Twig is the most recent growth at the tip of a branch. It is a growth from the apical end in the…
Q: what structure of gymnosperms are homologous to gametophytes of the seedless plants?
A: Gymnosperm has a naked seed and does not bear fruits. Gymnosperms are evolved before angiosperms.…
Q: Describe the similarities in sexual reproduction of moss and fern.
A: The similarities in sexual reproduction of moss and fern are:
Q: What is male reproductive system in flowering plant.
A: Flower is the reproductive structure present in the plants. Based on the plant type some flowers…
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 is female reproductive system in flowering plant.
A: The flower is the reproductive structure present in the plants. Based on the plant type some flowers…
Q: What is meant by monosporic development of female gametophyte?
A: In seed plants, the ovule is the structure that gives rise to and contains the female reproductive…
Q: What is the sori description of Sword fern? Based on the text given.
A: Sword fern(Polystichum munitum) is a common fern found in the forests of Pacific Northwest with…
Q: What is the ground tissue found in mature fruit of kapok (Ceiba pentandra)?
A: Answer: Introduction: Ceiba pentandra is also called as Kapok or Java cotton is a tropical tree of…
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: Where is the male gametophyte on this flower?
A: Plants are organisms with eukaryotic cells having cell walls and are capable of synthesizing their…
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: What are the microsporangia of seed plants?
A: Seed plants produce seeds after sexual reproduction for dispersal and multiplication. Most of the…
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: Bougainvillea, Hibiscus, and Sunflower are Pedicelled or sessile?
A: The flowering plant is also known as Angiospermae. These plants contain male part stamen and female…
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: 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: Why are the stem-like and leaf-like structures of a moss plant not called stem and leaves?
A: Bryophytes belong to a non-vascular plant, which lack an internal organization of a vascular system…
Q: All plants which have oogamy have the structure called ovules. True or false and provide an…
A: Oogamy is considered as evolved from ansiogamy that aids in sexual reproduction. It also occurs in…
Q: Name the female reproductive organ of a flower bearing ovules.
A: The flower is the reproductive structure present in the plants. Based on the plant type some flowers…
Q: What is the spore-producing part of a moss plant called? Is it haploid or is it diploid?
A: Mosses are those groups of ancient plants that are nonvascular and belong to the family called…
Q: In mosses, the leaves are very primitive because:
A: Mosses are primitive plants comes under bryophyta, which have primitive structures of leaf, roots…
Q: What is the term for a flowering plant which has not yet bore a flower?
A: What is the term for a flowering plant which has not yet bore a flower? Introduction: Non-flowering…
Q: Name the structure which is known as maiden hair fern.
A: Ferns belong to a diverse group of spore-forming plants. Approximately 11,000 species of ferns are…
Q: Briefly describe eusporangia and leptosporangia. Which is the type that occurs in all other vascular…
A: Vascular plants are also known as tracheophytes. The special characteristic of these plants is the…
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 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: Draw and label the life cycle of a moss; be certain to show gametangia and sporangia. Which parts…
A: Answer: Introduction: Moss have multicellular rhizoids. Scales are absent in it. They are foliage,…
Q: How do plants control theopening and the closing of thestomata?
A: Stomata are a small opening generally present on the lower surface of leaves. Leaves are the…
What are the club shaped male sex organs in mosses called?
Step by step
Solved in 3 steps