Grantia Under Microscope New 2026 Files Update

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Structure of sponges the photographs below are of grantia In this article we will discuss about the spicules and gemmule of sponge. The body of this species is highly folded producing many chambers

Grantia (Sponge) Skeleton Prepared Microscope Slide

In the last two photographs, the living cells have been removed to reveal the spicules Calcarea and silicea, and their structure and function Examine the following prepared slides

Find collar cells, epidermal cells, and pores

What is the function of the collar cells What is the function of. The photographs below are of grantia What is the function of the collar cells?

Posses a chalky skeleton composed of calcium carbonate spikes (spicules) Stained to show general structures. Grantia grantia is a type of sponge These are the skeletal elements of the sponge

They provide structural support and deter predators

By eye alone, provided specimen is simple, flattened and has a smooth surface Many other forms exist and these need to be checked microscopically There is considerable overlap between g Compressa which may be tubular instead of flat, and scypha ciliata which may have a smooth outer surface instead of a finely papillate one.

Single, prepared microscope slide of a longitudinal section of grantia, a genus of calcareous sponges The slide is stained to show general structures such as incurrent and radial canals. Also observe a prepared slide of grantia choanocytes Observe and sketch choanocytes under high power

Label the collar and the flagellum

Commercial and freshwater sponges part 1 Observe samples of commercial sponges, both with and without the dissecting microscope. Grantia captured under the microscope at 100x The sponge slide listed in the materials section for experiment 13.1 is labeled grantia spicules in the prepared slide set that