Spore formation or sporogenesis is a form of asexual reproduction that involves spores. Spores, from “sporā”, meaning “seed” and “genesis”, meaning “birth” or “origin”, are dormant, reproductive cells that are similar to seeds by serving as dispersal units. The spores though aren’...
Essentially, sporulation refers to the formation of spores from vegetative cells during unfavorable environmental conditions. As such, it may be described as an adaptive response that allows the organism to survive given adverse conditions.
In addition, the formed seed was well protected; thus, it could survive unfavorable and harsh weather conditions. Plants that produce seeds can have their new generation established far away from the parents. This is possible due to the various means of seed dispersal, including humans, wind, ...
The definition of a biennial plant is a plant that has a two-year life cycle. In the spring of the first year, the biennial plant life cycle begins as the seed germinates. The plant then produces vegetative growth, such as leaves, stems and roots, through the warmer spring and summer ...
Some fruits may have spines for attachment to animal fur, whereas others are winged or feathery for wind dispersal. Economic Importance Many fleshy fruit are major food crops of great economic importance. Prime areas of cultivation may be far removed from the original "home" of that ...
Pollination and Seed Dispersal: Both via wind Since an inhospitable environment isn’t good for any species, it is the same forpollinatorsas well (whether they would be birds, insects, bats, or animals). The only course of action iswind pollination. Most of the sexually reproducing pioneer ...
来自 EBSCO 喜欢 0 阅读量: 54 作者: Outred, Heather 摘要: Presents a study on seed dispersal in New Zealand. Description of the New Zealand botanical region; Role of birds as vertebrate dispensers of fruits and seeds in New Zealand; Dispersal by invertebrates and flotation. 年份: 2002 ...
SEED DISPERSAL:The final stage is seed dispersal. Seed dispersal can happen through so many different mediums. Some seeds are eaten by birds or animals and excreted back into the soil. Some seeds are dispersed through wind and water. A seed’s goal is to find a suitable place to germinate...
Once an ovule is fertilized, depending on the species of plant, it will grow into either a seed or a fruit. Although many flowers have both a stamen and a pistil, they usually cannot self-fertilize, so they rely on pollinators to cross-fertilize them with other flowers....
(repellents of seed predators). Sweet, fleshy fruits are attractive food for birds and mammals that consume seeds along with the fruit and pass the seeds intact in their fecal matter, which can act as a fertilizer. Dry fruits are usually adapted for wind dispersal of seeds, as for example...