Sentences with phrase «of plant reproduction»

A PowerPoint presentation on various aspects of plant reproduction.

Previously a Principal Investigator at the USDA / ARS - UC - Berkeley Plant Gene Expression Center; research focused on the molecular biology of plant reproduction.

Not exact matches

At Key Stage 2 (Age 7 + to 11, Years 4 to 6) schools have to teach the following: Growth and reproduction; the main stages of the human life cycle; reproduction; the parts of the flower [for example, stigma, stamen, petal, sepal] and their role in the life cycle of flowering plants, including pollination, seed formation, seed dispersal and germination.»

«Paleontologists have come up with various kill scenarios for mass extinctions, but plant life may not be affected by dying suddenly as much as through interrupting one part of the life cycle, such as reproduction, over a long period of time, causing the population to dwindle and potentially disappear,» said co-author Cindy Looy, a UC Berkeley associate professor of integrative biology.

The formation of the seed completes the process of reproduction in plants (started with the development of flowers and pollination), with the embryo developed from the zygote and the seed coat from the integuments of the ovule.

The first experiment, using pines, was designed to find out whether high levels of UV - B could cause malformed pollen grains in today's seed plants similar to those described by Foster, and whether these malformations could affect reproduction.

«Our results suggest, however, that climate change may constrain reproduction of early - flowering plants mostly through the direct impacts of extreme environmental conditions rather than disrupted plant - pollinator interactions.»

«As phenology is advancing around the globe, there are concerns that plant - pollinator interactions may be disrupted through phenological mismatches, or mismatches in the timing of when flowers bloom and their pollinators emerge, leading to reduced plant reproduction,» says lead author Zak Gezon, who conducted the research as a doctoral student at Dartmouth and who is now a conservation biologist with Disney's Animal Programs.

The researchers found that altering blooming time caused low plant reproduction, but the cause of the reduction depended on the direction that the blooming time was altered.

The differences observed within the shrub communities could stem from the plants» reproduction cycle and timing of the logging operations.

Contributors discuss theoretical and empirical perspectives on the fate of animal and plant groups in which sexual reproduction has been lost.

These plants might not have the sexy flowers of a peony, but according to new research, they do manage to attract small pollinators with a subtle sweet smell.Previously, scientists had presumed that these primitive plants needed a layer of water for their sexual reproduction.

Dr Crispin Jordan, of the University of Edinburgh's School of Biological Sciences, who led the study, said: «Plants and their flowers exist in all shapes and sizes, and our finding that the arrangement of flowers can influence how bees forage might go some way to explaining how plants, which rely on others species to spread pollen, can influence their own reproduction.&Plants and their flowers exist in all shapes and sizes, and our finding that the arrangement of flowers can influence how bees forage might go some way to explaining how plants, which rely on others species to spread pollen, can influence their own reproduction.&plants, which rely on others species to spread pollen, can influence their own reproduction.»

Other researchers have shown that some terrestrial plants make compounds that inhibit reproduction in herbivores, but «this type of interaction was not known for marine environments,» says Ianora.

Plants can maximize their chances of reproduction by taking advantage of how insects move between flowers when they track down nectar, a study suggests.

We tend to think of pollinating insects as our ecological friends, but in the wrong place nonnative bees can spell trouble instead by competing with native insects, promoting reproduction in nonnative plants and potentially spreading disease.

The male reproduction organs of tomato plants can not cope with high temperatures.

On the plant's side, the presence of floral scent increases the fitness of individual flowers for two reasons: Scenting flowers are more likely to be perceived by pollinators than are non-scenting flowers, and floral volatiles increase the success of the hawk moths» foraging efforts and thus its eventual reproduction.

In the PLOS ONE article, the researchers show that the male reproduction organs of tomato plants — the stamen, made up of a filament with an anther — become less virile under continuous high temperatures of 32 or 34 degrees Celsius.

Some focused on the growth, reproduction and other properties of microbes, plants and animals in space.

The dodo and the Carolina parakeet were important dispersers of seeds, and their loss has permanently affected forest structure in their habitats; rare insects are often highly specific pollinators whose loss affects the reproduction and survival of other plants.

«Large - scale environmental variation affects reproduction and survival of plants.»

This research reveals a new type of cell fusion that is initiated to destroy a particular cell, and enlightens the evolution of sexual reproduction in flowering plants.

These changes had direct implications for plant reproduction: Larkspurs produced about one - third fewer seeds when one of the bumblebee species was removed, compared to the larkspurs in the control groups.

Sexual reproduction in flowering plants occurs by fertilization of the female gamete (a reproductive cell) by a male gamete.

Corn plants outfitted with the gene tolerated six times the concentration of glyphosate that farmers normally apply, with no apparent effect on health or reproduction — more than enough for commercial potential, says Verdia's Linda Castle.

Though the disc shape makes the leaf less efficient at photosynthesis, Simon says that the benefits of attracting bats outweigh this energetic cost: bats are good pollinators, and their large home range means they can take pollen to plants far apart from each other, and so help their reproduction, he says.

The original stuff is botanical and then in the making of The Origin, you know, [the] making of his theory, plants are interwoven with other organisms, obviously something — you know, he would take as examples where they are important, but there are certain botanical issues that are of key importance and one of them has to do with reproduction.

For instance, «plants that like their pollinators to be pretty loyal» could see declines in reproduction, says ecologist Laura Burkle of Montana State University, Bozeman.

So that is the Silicus genus and those are truly amazing, and I recommend anyone who is up in [the] Boston area to visit the Harvard Natural History Museum, and I think, they are made by Bulgarian or Hungarian brothers in the early 1900 [s], and theye are amazing reproductions; I mean, if you did not let a botanist touch them and you put them next to the same species of living plant, I bet that a lot of them could not tell the difference because they are down to the minutest part; they are incredibly accurate.

Yet while some animal and plant species can reproduce without sex, such as komodo dragons, starfish and bananas, sex is still the dominant mode of reproduction in the natural world.

Martonvásár Development of new generic plant genotypes to satisfy the needs of the future, based on an internationally acknowledged plant gene pool, and using up - to - date genetic, physiological, cell and reproduction biological, functional genomic, biotechnological, plant breeding and crop production methods.

Plant defenses increase survival and / or reproduction (fitness) of plants under pressure of predation from herbivores.

All the original organic material disappeared, but nature left a precise mineral reproduction of the plant or animal remains.

Since nematodes are the only known organisms to use ascarosides, «we don't have to be afraid of interfering with similar biochemistry in animals, plants or humans,» Schroeder said, as researchers seek to identify species - specific ascaroside molecules that may enable novel approaches to deter or disrupt the survival or reproduction of parasitic worms.

«Our goal is to use comparative genomics approaches to fill in gaps in our understanding of how plant reproduction works and to define the aspects of the mechanisms we've discovered so far that are either ancient or new innovations.»

These patterns strongly resemble the biological clustering observed in modern plants, and suggest a dual mode of reproduction: the «grandparents» being the product of ejected waterborne propagules, while the «parents» and «children» grew from «runners» sent out by the older generation, like strawberry plants.

In collaboration with colleagues in Mexico last year, we found that these same genes control various aspects of maternal reproduction, providing remarkable insight into the evolution of reproductive strategy in flowering plants,» he explained.

In chap 1 of China study the'error» with alpha f protein in Philippino kids and the reproduction in rat studies, I interpret as «Cancer cells need animal protein to grow» If u stop it, they shrink.Ok i am not a scientist but I proposed this to 7 advanced cancer patients 2 of whom were in «palliative stage > All 6 are doing VERY WELL, the oncologists do not understand it.I tell them «plant based diet, no cheating».

Phenolics are phytochemical compounds in plants that protect them from the insults of nature while assisting with essential functions of reproduction and healthy growth.

Flavonoids are plant secondary metabolites, this means that they are not directly involved in the growth, development, or reproduction of a plant.

Reishi spores are a part of the reproduction process of the reishi mushroom and play a similar role as seeds and pollen in plants.

* Types of plants, * Parts of a plant, * Making food, * Plant reproduction, * Seed dispersal, * Non-flowering plants, * Life in extreme conditions, * Plant protection, * Humans and plants, * Animals and plants, * Common British plplant, * Making food, * Plant reproduction, * Seed dispersal, * Non-flowering plants, * Life in extreme conditions, * Plant protection, * Humans and plants, * Animals and plants, * Common British plPlant reproduction, * Seed dispersal, * Non-flowering plants, * Life in extreme conditions, * Plant protection, * Humans and plants, * Animals and plants, * Common British plPlant protection, * Humans and plants, * Animals and plants, * Common British plants.

Bundle includes: 1) Cross section of the leaf - Interactive notebook foldable 2) Plant reproduction, label parts of the flower - Interactive notebook foldable 3) Ecological sampling quadrat and transect line - interactive notebook foldable

3 Loop games on genetic techniques • Cloning techniques - cloning in plants and animals (microprogation, cuttings, asexual reproduction, embryo splitting, reproductive cloning) • Reproductive cloning - detail of steps involved • Genetic engineering - detail of steps involved Each loop games consists of 21 cards and comes in 2 different colours.

Lewitt fabricated a series of reproductions of these lamps from pure compressed fuel ash that was scrubbed from power plant smoke stacks, and displayed both originals and reproductions in a section of the Venetian Arsenale in which the area's power turbines had been housed until the construction of the site in Marghera.

In «Faserland» the bestseller by Christian Kracht, the sincerest tears are shed over the loss of a best friend, the greatest fear is the fear of a homosexual rape and the deepest wish is for a pure — and absent — woman with which to create a reproduction plant for the exalted.

«We really need to know the mechanisms before we can establish any cause and effect,» said Terry Root, a Stanford University biologist who last month published a paper linking changes in timing of migration, and reproduction in hundreds of plant and animal species, to global warming.

In particular, many of the plant populations predicted to persist in the near future will actually do so under local climate conditions that are already unsuitable for their long - term survival because long live spans and clonal reproduction strategies of many high mountain plants allow them to retard extinction.

In this and subsequent works, he described plants and animals on the basis of physical appearance and method of reproduction.