This illustration shows a kind of animal that is a parasitic organism. what is the common name of this organism?

a. tapeworm
b. fluke
c. amoeba
d. planarian

picture is provided as well

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

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

Several billion years ago which gas was the least prevailant in the atmosphere