Plant Diversity Quiz 3

Front 1

coenobia

Back 1

that is they have a fixed number of
cells, and usually a fixed shape

Front 2

chlamydomonas

Back 2

often on high altitude snow banks where it is the commonest cause of red snow.

Front 3

coenocytic (syncitial, siphonaceous)

Back 3

certain filamentous forms that lost their cross walls, thus formed multinuclear protoplast

Front 4

two layers

Back 4

inner: firm, mainly cellulose
outer: more gelatinous - often with pectin

Front 5

lorica

Back 5

a wall-like structure which usually does not completely enclose the cell and which is not comletely in contact with the protoplast, there being a space filled with water or gelatinous matrix; often impregnated with minerals such as iron or calcium.