AP biology help.....

hey can some one help me with these questions...i have to wrte 2 pg essay........

1.Compare and contrast 4 of the seven terrestrial biomes. Include climate temperature and precipitation} location animal life and plant life….. 5 paragraphs

2. Identify the importance of biogeochemical cycles while comparing the water, nitrogen, and carbon cycles. What are some important issues environmentally regarding these cycles? Evaluate the importance of each cycle and hw we may better serve our biosphere in maintaing a livable space for all.

3.Investigate and discuss the 4 major threats to biodiversity.

#3.. 4 treats to biodiversity: pollution, overusing resources, global environmental change, and habitat loss.

Originally posted by: mariaa.xo

i m in gr11 soo cant help much

but i think for #2 ....one issue wid d carbon cycle is dat derez 2 much carbon in d atmosphere....lik frm fossil feuls n stuff
n 2 much carbon dioxide isnt gud for plants eitr cuz dey can only take a certain amount

hope this helps...lol