Support is basically provided by the calciferous and siliceous spicules it is covered with throughout. The spicules form the skeletal framework of the sponge. Also. the sponge is attached to the stratum via base, which adheres it to a fixed spot.
Most of the sponges need a solid substrate like a rock to support them grow on it, in case of sponges growing on soft substrates they have root like base to support them grow.
spongins and spicules :)
spongins and spicules give the sponge support:)
water and oxygen
An example is two bases.
Their are two families the sponge comes from; Plakinidae and Oscarellidae. The phylum is Porifera.
It provides shape & gives mechanical support. Also serves as a monorail to transport substances around the cell.
two
two or more subsantes (a mixture of substances) !
Sugar in water is a solution. The water is the solvent. The sugar is called the solute.
Yes the two substances will indicate a positive result for opioid ingestion.
Two is more stronger themselves
when two substances react a chemical change occurs
Two or more substances that are not chemically combined make up a mixture.