4. Nitrogen gas is more abundant in our atmosphere than oxygen! However, nitrogen needs to be
converted into different forms to be used by many
organisms. Bacteria are highly involved in this!
Describe the role of (A) bacteria fixing nitrogen as
they live symbiotically with some plant species, (B)
nitrifying bacteria, and (C) denitrifying bacteria in
the nitrogen cycle.

*will mark brainliest to the first and correct answer less species diversity results in less a. oxygen b. food c. drinkable water d. all of the above

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

Explain how light energy is turned into chemical energy? ! due tomorrow!