Answer:
The fix nitrogen into free nitrogen which is a usable form. They also bring nitrogen back into the system by decomposing dead organisms.
Answer 2.
Because, they are known as nitrogen fixing bacteria. These organisms convert nitrogen in the soil to ammonia, which can then be taken up by plants. After nitrogen has been fixed, other bacteria convert it into nitrate, in a process known as nitrification.
Both answer is correct choose the best choice for you.
Hope this helps!
Where are the "following structures"?
If I am not wrong the most important ones are:
1.Sacrum,
2.coccyx,
3.cranium,
4.sternum,
5.ribs,
6.clavicle,
7.pelvic girdle,
8.patella,
9.mandible,
10.tibia,
11.fibula,
12.carpals,
13.tarsals,
14.metatarsals,
15.metacarpals,
16.costal cartilages
17. Cervical vertebrae
Answer:
The answer is D Each part is connected to all the others
Explanation:
While each part is different they interact with eachother to exchange matter and make life possible :) Hope this helps!
A biotic factor can limit growth because for an example, if lions eat all of the zebras (for an example), what will other carnivores eat? There will be competition for food.