Reference no: EM133421440
Complete the following paragraph describing the structure and forms of diatoms using the word bank.
Diatoms, which are placed in the algae class ____________ , are mostly ____________.The shape of diatoms is determined by the environment they live in; freshwater species are ____________ , while marine species are ____________ . Regardless of shape, the wall of diatoms is ____________ and crystal-clear. Further, half of the wall fits inside the other overlapping half, forming a box-like structure. The majority (95%) of the diatom wall is made up of ____________ , embedded within a framework of ____________ or other substances. The surface of the wall is covered with fine, ____________ spaced grooves and pores.
WORD BANK: multicellular, randomly, kayak-shaped, phaeophyceae, silica, uniformly, rigid, xanthophyceae, flexible, circular, chrysophyceae, unicellular, pectin and bacillariophyceae.