Sentences with phrase «living plant tissue»
Living plant tissue from hundreds of thousands of years ago might also be revived, helping scientists to understand the lost ecologies
https://www.scientificamerican.com/ Not exact matches
We can detect no subjectivity in inorganic societies, and little more in living societies such as plants or animal tissues.
In any community of plants and animals, the basis of the life of the community life is the plants that convert the energy from the sun, the minerals from the soil and the carbon dioxide from the air into plant tissue.
The fruits are about 30,000 years older than the Israeli date palm seed that previously held the record as the oldest tissue to give life to healthy plants.
One example for such an association has now been reported by an international team of researchers in the journal New Phytologist: a fungus of the genus Trichoderma lives inside the tissue of tomato plants (endophytically) and helps its host to defend itself against infestations by parasitic nematodes.
Furthermore, they used their versatile system to show that stretching induces irreversible increases in cell length in living plant cells, but that the increases in cell length are partially reversed in dead plant tissues once stretching stops.
«It's just a really common fungus in the environment that mostly lives on dead and dying plant tissue,» Leonard says.
This will provide researchers with greater insight on the diversity of other eukaryotes and prokaryotes living inside plant tissues.
It is found in trace amounts in all living tissue, both animal and plant.
A living plant continues to have embryonic tissues even in advanced stages of development.
«Corals live in a symbiotic relationship with zooxanthellae, which are plant - like cells hosted in surface tissues that provide up to 90 % of the energy to the colony,» said Stephen Simpson, a marine biologist at the University of Exeter in the UK, commenting on the study.
Living forests hold water while dead plant tissue are often borne in solution into ground water, streams and rivers to fertilize the oceans shallow littoral zones.
Criteria Description Fish Toxicity Measure of the acute toxicity to fish (both saltwater and freshwater) Daphnia Toxicity Measure of the acute toxicity to Daphnia (invertebrate aquatic organisms) Algae Toxicity Measure of the acute toxicity to aquatic plants Persistence / Biodegradation Rate of degradation for a substance in the environment (air, soil, or water) Bioaccumulation Potential for a substance to accumulate in fatty tissue and magnify up the food chain Climatic relevance Measure of the impact a substance has on the climate (e.g., ozone depletion, global warming, etc.) Other Any additional characteristic (e.g., soil organism toxicity, WGK water classification, etc.) relevant to the overall evaluation but not included in the previous criteria 1.3.3 Material Class Criteria The following material classes are flagged due to the concern that at some point in their life cycle they may have negative impacts on human and environmental health.
There will also be a research platform that examines the effects of artificial gravity on living tissues and plants.
2008 — 2012 TYL LLC — Houston, TX Botanist • Arranged handbooks for plant identification • Studied the life and rate of plant chromosomes, cells, and tissues • Used PC for information and data storage, and for examination of data • Grew plants in prescribed conditions to review the significance of ecological and genetic variables • Studied the genetics of plants using biochemical and molecular methods in the laboratory and so decide the patterns of plant development