4. This photograph was taken in 2004, 24 years after Mount Saint Helens erupted. Compare and contrast this photo with the previous three. What changes do you see in the biotic and abiotic factors? Does anything surprise you about this series of photographs?

I wish i could answer the question but I do not have any pictures to Compare and contrast with

Explanation:

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.

what is shown in the image?

eukaryote

chloroplast

mitochondrion

submitted