Protists exhibit different characteristics based on the phylum they are included in. which of the following characteristics would not be seen in protozoans?
a. they are single-celled organisms.
c. most species are motile.
b. they are plant-like organisms.
d. they have membrane-enclosed nuclei.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla