Bryophytes also need a moist environment to reproduce. Their flagellated sperm must swim through water to reach the egg. So mosses and liverworts are restricted to moist habitats.
- 1 Does bryophytes need water for fertilization?
- 2 Does mosses need water for fertilization?
- 3 What do bryophytes rely on for fertilization?
- 4 Why is water necessary for bryophytes?
- 5 How do bryophytes take up water?
- 6 How do bryophytes obtain water?
- 7 How do bryophytes depend on water to reproduce?
- 8 How do bryophytes transport water and nutrients?
- 9 Do flowering plants require water for fertilization?
- 10 Which groups of plants need water for fertilization?
- 11 Why do bryophytes still need to live near water?
- 12 Why is water essential for fertilization?
- 13 Why is water necessary for reproduction in bryophytes quizlet?
- 14 Why both bryophytes and Pterophytes are dependent on water for reproduction?
- 15 Can bryophytes store water?
- 16 How do bryophytes obtain water and CO2?
- 17 Why do mosses absorb water?
- 18 Do bryophytes reproduce by spores?
- 19 How do bryophytes that do not have vascular tissue get enough water and minerals?
- 20 Do bryophytes have motile sperm?
- 21 How do bryophytes move?
- 22 Why is water not essential for fertilization in seed plants?
- 23 Do monocots require water for fertilization?
- 24 In which type of plant tissue does water move?
- 25 Which structure is involved in the reproduction of this plant?
- 26 What do the moss and fern life cycle have in common?
- 27 How are the spores of seed plants different from the spores of bryophytes and most ferns?
- 28 How did seeds help plants reduce their dependence on water for reproduction?
- 29 How do vascular plants get water?
- 30 Why is fertilization in bryophytes and pteridophytes considered as internal fertilization?
- 31 Are bryophytes sporophyte dominant?
- 32 Are bryophytes aquatic?
- 33 How do bryophytes obtain water and CO2 quizlet?
- 34 How do bryophytes obtain CO2?
- 35 Do mosses need water?
- 36 Do Seed plants need water to reproduce?
- 37 How do ferns transport water?
- 38 How do bryophytes keep their eggs from drying out?
- 39 Why do bryophytes not have a vascular system?
- 40 What are the economic importance of bryophytes?
- 41 How does fertilization occur in bryophytes?
- 42 What is necessary for fertilization in bryophytes?
- 43 Where does fertilization take place in bryophytes?
- 44 Why can’t bryophytes reproduce without water?
- 45 How do bryophytes take up water?
- 46 How do bryophytes obtain water?
Does bryophytes need water for fertilization?
Water is essential for reproduction in bryophytes for fertilisation. Water is required for flagellated sperms of bryophytes to reach the egg for fertilisation.
Does mosses need water for fertilization?
Answer and Explanation: Mosses need water for fertilization because they lack the pollen granules used by other types of plants to deliver sperm cells to ovules or the egg…
What do bryophytes rely on for fertilization?
Bryophytes have neither pollen nor flowers and rely on water to carry the male gametes (the sperm) to the female gametes (the eggs). The spore capsules are produced after the sperm have fertilized the eggs.
Why is water necessary for bryophytes?
Bryophytes are dependent on water for survival and reproduction. Water is necessary for sexual reproduction in Bryophytes as sperms swim to the eggs to fertilize it.
How do bryophytes take up water?
Bryophytes absorb water and nutrients directly through the surface of the plant. Because they don’t have vascular tissue, the absorbed water and nutrients are only available to the parts of the plant that are adjacent to the point of absorption.
How do bryophytes obtain water?
Bryophytes are distinct from other land plants (the “tracheophytes”) because they do not contain xylem, the tissue used by vascular plants to transport water internally. Instead, bryophytes get water and nutrients through their leaves.
How do bryophytes depend on water to reproduce?
Bryophytes require water to reproduce. The male gametes (sperm) require water to reach the female gamete. The fact that they are non-vascular plant only accounts for their small size and not why they are dependent on water. Was this answer helpful?
How do bryophytes transport water and nutrients?
Explanation: The members of Bryophytes are nonvascular plants. They carry out the transport of water and nutrients via diffusion process. Lack of vascular tissues, the members of Bryophytes absorb water and nutrients at the surface and transport the materials from cell to cell.
Do flowering plants require water for fertilization?
No, angiosperms do not require water for fertilization.
Which groups of plants need water for fertilization?
Answer and Explanation: The seedless vascular plants are the plants in which the fertilization takes place in water.
Why do bryophytes still need to live near water?
Bryophytes are still tied to water because they are nonvascular and thus don’t have vascular tissue to transport water and nutrients. Because of this, they are usually found in moist locations.
Why is water essential for fertilization?
In Bryophytes the process requires the production of male gametes (sperm), female gametes (eggs) and some means of getting the sperm to the eggs. The gametes are produced on the gametophytes. Water is essential for sexual reproduction in Bryophytes, since it is water that carries the sperm to the egg.
Why is water necessary for reproduction in bryophytes quizlet?
Why is water necessary for the sexual reproduction of bryophytes and ferns? Because when water touches the top of the antheridium the sperm is released in an bryophytes. Ferns: the flagellate sperm is released from the antheridium and swim to the ovum. Name and describe the two types of cones produced by conifers.
Why both bryophytes and Pterophytes are dependent on water for reproduction?
The completion of the bryophyte and pterophyte life cycle requires water because the male gametophyte releases flagellated sperm, which must swim to reach and fertilize the female gamete or egg.
Can bryophytes store water?
In addition, most bryophytes absorb water and dissolved minerals over the surface of the gametophore. Water retention at the surface is assisted by the shape and overlapping of leaves, by an abundance of rhizoids, or by capillary spaces among these structures.
How do bryophytes obtain water and CO2?
How do bryophytes obtain water and CO2? They absorb both CO2 and water directly from the environment, without passing through stomata or roots.
Why do mosses absorb water?
Mosses and liverworts are small, primitive, non-vascular plants. They lack the conductive tissue most plants use to transport water and nutrients. Instead, moisture is absorbed directly into cells by osmosis.
Do bryophytes reproduce by spores?
Bryophytes produce spores, rather than seeds, and have no flowers. But what about the ferns? They also have no flowers and produce spores.
How do bryophytes that do not have vascular tissue get enough water and minerals?
Most bryophytes are small. They not only lack vascular tissues; they also lack true leaves, seeds, and flowers. Instead of roots, they have hair-like rhizoids to anchor them to the ground and to absorb water and minerals (see Figure below).
Do bryophytes have motile sperm?
Motile sperms are seen in bryophytes (their gametophytes), several protists, ferns and some of the gymnosperms (ginkgo and cycads).
How do bryophytes move?
Bryophytes lack true leaves and do not have roots, using rhizoids instead. Rhizoids are slender, rootlike hairs that both anchor and absorb like roots. After rhizoids perform this initial absorption, movement throughout the plant takes place by the processes of diffusion and active transport.
Why is water not essential for fertilization in seed plants?
Fertilization in seed plants occurs when the male sex cell fuses with the female sex cell. However, water is not a requirement for the fusion of male gamete with the female gametes since, in most cases, the male gametes and the female gametes are transported by various agents to the site of fertilization.
Do monocots require water for fertilization?
Monocots account for nearly all hydrophilous or water-pollinated plants. These are monocots that are adapted to use water as a vector and constitute most of the aquatic plants.
In which type of plant tissue does water move?
Once the roots find water, the water travels up through the plant all the way to its leaves. The plant structure used for this water movement in plants from root to leaf is called xylem. Xylem is a kind of plant tissue that is made out of dead cells that are stretched out.
Which structure is involved in the reproduction of this plant?
Structure. As a plant’s reproductive part, a flower contains a stamen (male flower part) or pistil (female flower part), or both, plus accessory parts such as sepals, petals, and nectar glands (Figure 19). The stamen is the male reproductive organ.
What do the moss and fern life cycle have in common?
Both mosses and ferns have gametophyte and sporophyte stages in their life cycle.
How are the spores of seed plants different from the spores of bryophytes and most ferns?
Unlike bryophyte and fern spores (which are haploid cells dependent on moisture for rapid development of gametophytes), seeds contain a diploid embryo that will germinate into a sporophyte. Storage tissue to sustain growth and a protective coat give seeds their superior evolutionary advantage.
How did seeds help plants reduce their dependence on water for reproduction?
What role did the adaptations of seed and pollen play in the development and expansion of seed plants? Seeds and pollen allowed plants to reproduce in absence of water. This allowed them to expand their range onto dry land and to survive drought conditions.
How do vascular plants get water?
The vascular tissues of these plants are called xylem and phloem. The xylem of vascular plants consists of dead cells placed end to end that form tunnels through which water and minerals move upward from the roots (where they are taken in) to the rest of the plant.
Why is fertilization in bryophytes and pteridophytes considered as internal fertilization?
Fertilization in bryophytes or pteridophytes is considered as a internal fertilization because fusion of male and female gametes (syngamy) occurs inside the archegonium (female reproductive organ).
Are bryophytes sporophyte dominant?
In bryophytes, such as mosses and liverworts, the gametophyte is the dominant life phase, whereas in angiosperms and gymnosperms the sporophyte is dominant.
Are bryophytes aquatic?
Many bryophytes are found in association with freshwater but there are no marine bryophytes. A few species are found in brackish water.
How do bryophytes obtain water and CO2 quizlet?
How do bryophytes obtain water and CO2? They absorb both CO2? and water directly from the environment, without passing through stomata or roots.
How do bryophytes obtain CO2?
How do bryophytes obtain water and CO2? They obtain CO2 only through stomata and water through their roots. They live in moist environments, so they do not need to absorb water or CO2.
Do mosses need water?
Mosses need a lot of water for two reasons. One is that they’re not “vascular” plants–that means that they don’t have the plant version of a circulatory system, and they can’t move water around inside their bodies. All cells in a moss’ body need to have easy access to water from the environment.
Do Seed plants need water to reproduce?
All seeds need water, oxygen and the right temperature to germinate. Dormancy is a state of suspended animation in which seeds delay germination until conditions are right for survival and growth.
How do ferns transport water?
Once water has entered into the fern’s roots, it passes into a vessel called the xylem, which extends up the fern’s rhizome, or stem, and into the leaves. As water evaporates from the leaves, it pulls water up from the roots, similar to how water moves up a drinking straw.
How do bryophytes keep their eggs from drying out?
Two adaptations made the move from water to land possible for bryophytes: a waxy cuticle and gametangia. The waxy cuticle helped to protect the plants tissue from drying out and the gametangia provided further protection against drying out specifically for the plants gametes.
Why do bryophytes not have a vascular system?
In all bryophytes, the primary plants are the haploid gametophytes, with the only diploid portion being the attached sporophyte, consisting of a stalk and sporangium. Because these plants lack lignified water-conducting tissues, they can’t become as tall as most vascular plants.
What are the economic importance of bryophytes?
Ecological aspects and Economic importance of Bryophytes
Bryophytes are pioneer of the land plants because they are the first plants to grow and colonize the barren rocks and lands. (b) Soil erosion. Bryophytes prevent soil erosion. They usually grow densely and hence act as soil binders.
How does fertilization occur in bryophytes?
In all bryophytes fertilization is dependent on water—usually a film of water or the splashing of raindrops—for the transfer of sperm to the egg. Chemical stimuli direct the motile flagellate sperm to the archegonium. The fertilized egg (zygote) grows out of the gametophyte, which is also the source of its nourishment.
What is necessary for fertilization in bryophytes?
Water is essential for reproduction in bryophytes for fertilisation. Water is required for flagellated sperms of bryophytes to reach the egg for fertilisation.
Where does fertilization take place in bryophytes?
Fertilization in bryophytes or pteridophytes is considered as a internal fertilization because fusion of male and female gametes (syngamy) occurs inside the archegonium (female reproductive organ).
Why can’t bryophytes reproduce without water?
The first thing bryophytes need to reproduce is water. Since they usually live in places that are moist at least some of the time, this isn’t really a problem for bryophytes. However, they still wait until a rainy period to reproduce, because they need water to carry sperm to the eggs.
How do bryophytes take up water?
Bryophytes absorb water and nutrients directly through the surface of the plant. Because they don’t have vascular tissue, the absorbed water and nutrients are only available to the parts of the plant that are adjacent to the point of absorption.
How do bryophytes obtain water?
Bryophytes are distinct from other land plants (the “tracheophytes”) because they do not contain xylem, the tissue used by vascular plants to transport water internally. Instead, bryophytes get water and nutrients through their leaves.