Match each step in the nitrogen cycle to its description. bacteria convert ammonia
to nitrites and nitrates
bacteria break down waste
products and return nitrogen
to the soil
bacteria convert nitrates
into nitrogen gas
plants and animals take in
and use nitrogen compounds
bacteria convert atmospheric
nitrogen to ammonia
nitrification
nitrogen fixation
>
ammonification
>

Explain light independent reactions

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

Can ground tissue do photosynthesis