Plant

Plant cells are formed at meristems, and then develop into cell types which are grouped into tissues. Plants have only three tissue types: 1) Dermal; 2) Ground; and 3) Vascular. Dermal tissue covers the outer surface of herbaceous plants.
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Plant Succession
Many plant communities are not self-sustaining. A field in the temperate deciduous forest biome will remain a field only as long as it is grazed by animals or mowed regularly.
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Plant sexuality deals with the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants.
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The application of genetic analysis to development of plant lines better suited for human purposes.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Plants are a major group of living things (about 300,000 species), including familiar organisms such as trees, flowers, herbs, and ferns.
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Plant nematodes are agricultural pests, the control of which relies on chemical nematicides and fumigants that are among the most toxic and environmentally damaging of all agrochemicals.
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The Jardin de Plantes maintains a botanical school, which trains botanists, constructs demonstration gardens, and exchanges seeds to maintain biotic diversity. About 4500 plants are arranged by family on a one hectare (10,000 m²) plot.
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Definition: A plant, that when self-fertilized, only produces offspring with the same traits. The alleles for these type of plants are homozygous.
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Plants and animals differ in one important feature: the maintenance of totipotent cells. Cells, like the fertilized egg, which can make all of the cells of the organism, are said to be totipotent.
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Plants, some algae, and some bacteria obtain their energy from light. The light energy is used to bond molecules of carbon dioxide together to form sugar (glucose). The energy is stored in glucose. This process is called photosynthesis.
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Plant Genome Research Begins a New Voyage of Discovery
Plant Genome II was held January 24-27, 1994 in San Diego.
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Plants that have a high tolerance to salt and therefore can successfully occupy an ecosystem with such chemical properties.
Source: Submitted by Brock Smith
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Plants with vascular tissue, consisting of all modern species except the mosses and their relatives.
vascular tissue
Plant tissue consisting of cells joined into tubes that transport water and nutrients throughout the plant body.
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Plants that do not give mixtures when selfed are said to be homozygous for the tall trait.
Those that produce mixtures are said to be heterozygous.
Heterozygous individuals produce segregating populations.
Interpretations-Observation 2 ...
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plant hormones: hormones that regulate the growth and development of many plants.
plasma: a straw-colored liquid composed primarily of water; the fluid portion of blood.
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Plantae One of the five kingdoms of life; characterized by being eukaryotic and multicellular, and having rigid cell walls and chloroplasts.
Plantar The sole of the foot.
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Plant Pest Act (PPA). See U.S. Department of Agriculture.
Plant Variety Act (PVA). See U.S. Department of Agriculture.
Plaque. A clear spot on a lawn of bacteria or cultured cells where cells have been Iysed by viral infection.
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PlantGeography the study of the geographic distribution of plant species
(geo = earth; graph = to write) ...
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plantigrade
Walking on the entire sole of the foot, as in humans and bears.
Covered in Lab 13 Animal Diversity III
plaque
A clear area in a lawn of a bacterial colony, where the bacteria have undergone lysis due to bacteriophage infection.
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Plants evolved from ancient green algae over 400 million years ago. Both groups use chlorophyll a and b as photosynthetic pigments. In addition, plants and green algae are the only groups to store starch in their chloroplasts.
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A plant species in which male and female organs occur in the same flower of a single individual (compare monoecious).
An animal with both male and female sex organs.
Related Terms: Sperm ...
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The plants are widely scattered. In areas of shad-scale, about 10 percent of the ground is covered, but in some areas of sagebush it approaches 85 percent. Plant heights vary between 15 cm and 122 cm.
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Host plant resistance: The relative amount of heritable qualities possessed by a plant that reduces the degree of damage to the plant by a pest or pests.
Hyperparasite: A parasite whose host is another parasite.
Indigenous: Native to an area.
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2963. Plantar syphilid
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2964. Plantar tendon sheath of peroneus longus muscle ...
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basic plant biology
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biochemistry or molecular biology or immunology near enzymes ...
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summer planting. A system of strawberry culture in which planting occurs in summer and fruit production begins the following spring.
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Annual: a plant with a lifespan of one year. Biennial: a plant with a lifespan of two years. Often only flowers and sets seed during the second year.
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Biota
The plant and animal life of a particular region or period.
Character
A heritable feature (e.g. tooth shape or DNA sequence) of a group of organisms that exists in multiple forms.
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a vascular plant that bears naked seeds not enclosed in any specialized chambers.
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: A grouping of plant ecosystems into a large distinct group occupying a major terrestrial region. They are created and maintained by climate. See examples of
biomes
.
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Outside (nonliving) factors which can cause harmful effects to plants, such as soil conditions, drought, extreme temperatures. Abzyme. See Catalytic antibody. Adaptive radiation.
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Calvin cycle The cyclic pathway used by plants to fix carbon dioxide and produce triose phosphates. Named after Melvin Calvin, an early worker in the field.
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Cell wall - multi-layered, sturdy structure composed of cellulose that provides plants and other organisms with their rigidity
Centrioles - essential tubular organelles found near the nucleus in pairs that aid in cellular division ...
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Mitochondrial DNA Mitochondria, and chloroplasts in plants, carry their own small chromosomes, usually in multiple copies per organelle. These carry a limited number of genes which code for rRNA, tRNA and a few organelle proteins.
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Herbivore. An organism that consumes plants
Harmful algal bloom. A bloom of (usually) planktonic microalgae belonging to a strain of a species that has a toxic harmful to marine organisms or humans consuming marine organisms.
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A protein molecule in a plant or animal that catalyzes specific metabolic reactions without itself being permanently altered or destroyed.
Eukaryotic cells (or eukaryotes): ...
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Geminivirus
One of the two groups of DNA viruses that infect plants, the members of which have potential as cloning vectors for some species of higher plants.
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embryology - study of embryogenesis, the development of animals and plants from fertilization to birth/hatching.
epiboly - literally, "over the ball," usually the growth of epidermal ectoderm to cover the surface of the embryo during gastrulation.
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TRANSGENIC - An animal (usually a mouse) or plant into which a foreign gene has been introduced in the germ line. An example: transgenic mice expressing the human receptor for poliovirus are susceptible to human polioviruses.
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carbon fixation cycle (Calvin-Benson cycle) - process by which green plants incorporate carbon atoms from atmospheric carbon dioxide into sugars. This is the second stage of photosynthesis.
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[Gr. zoon - animal; planktos - wandering]. Minute aquatic animals that drift freely in the plankton, feeding mainly on phytoplankton (plant-like organisms) and having no locomotory structures.
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Haploid: A single set of chromosomes (half the full set of genetic material), present in the egg and sperm cells o f animals and in the egg and pollen cells of plants. Human beings have 23 chromosomes in their sex cells. Compare to diploid.
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2) You may not have looked for a word
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Haploid: A single set of chromosomes (half the full set of genetic material), present in the egg and sperm cells of animals and in the egg and pollen cells of plants. Human beings have 23 chromosomes in their reproductive cells. Compare diploid.
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