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Celeriac (Apium graveolens Rapaceum Group, synonyms Apium graveolens Celeriac Group and Apium graveolens var. rapaceum), [1] also called celery root, [2] knob celery, [3] and turnip-rooted celery [4] (although it is not a close relative of the turnip), is a group of cultivars of Apium graveolens cultivated for their edible bulb-like hypocotyl, and shoots.
Celery leaves are pinnate to bipinnate with rhombic leaflets 3–6 centimetres (1– 2 + 1 ⁄ 2 inches) long and 2–4 cm (1– 1 + 1 ⁄ 2 in) broad. The flowers are creamy-white, 2–3 mm (3 ⁄ 32 – 1 ⁄ 8 in) in diameter, and are produced in dense compound umbels.
Herbivory is of extreme ecological importance and prevalence among insects.Perhaps one third (or 500,000) of all described species are herbivores. [4] Herbivorous insects are by far the most important animal pollinators, and constitute significant prey items for predatory animals, as well as acting as major parasites and predators of plants; parasitic species often induce the formation of galls.
Animal tissues are grouped into four basic types: connective, muscle, nervous, and epithelial. [4] Collections of tissues joined in units to serve a common function compose organs. While most animals can generally be considered to contain the four tissue types, the manifestation of these tissues can differ depending on the type of organism.
The physiology and immune system of birds resembles that of other animals. The lymphomyeloid tissues develop from epithelial or mesenchymal anlages that are full of haematopoetic cells. [ 3 ] The Bursa of Fabricius , thymus , spleen and lymph nodes all develop when haematopoetic stem cells enter the bursal or thymic anlages and become competent ...
Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
Bird flu has been confirmed in dairy cattle herds in nine states, has been found in milk and has prompted the slaughter of millions of chickens and turkeys. But finding it in beef is a new ...
The mustard plant is any one of several plant species in the genera Brassica, Rhamphospermum and Sinapis in the family Brassicaceae (the mustard family). Mustard seed is used as a spice. Grinding and mixing the seeds with water, vinegar, or other liquids creates the yellow condiment known as prepared mustard.