Flowering Locus C (FLC) is a gene that is responsible for flowering in certain plants FLC
is expressed in new seedlings, which prevents flowering Upon exposure to cold
temperatures, FLC expression decreases and the plant flowers. FLC is regulated through
epigenetic modifications.
What type of epigenetic modifications is present in new seedlings and after cold
exposure?

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