By planting rose bushes and dwarf fruit trees for clematis vines to climb on and planting low-growing, shade-loving plants and bulbs like begonias in the shadows below larger plants, the gardener is using natural plant (what)blank to provide support and various growing niches for specialized plants in a mixed garden based on companion planting.

Subject Horticulture

chlorophyll a: this is the most abundant pigment in plants. chlorophyll a absorbs light with wavelengths of 430nm(blue) and 662nm(red). it reflects green light strongly so it appears green to us.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

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