The decomposition of marine plants that depletes dissolved oxygen
Ecosystem. it is defined as a biological community of interacting organism and their physical environment.
Answer:
Look at my explanation (I have notes on this)
Explanation:
•They divided people off based on their purity
•Government: they were ruled by kings
•Their writing contained 400 symbols, both pictographs and phonetic characters
•Their cities had high walls and laid out in grid system (Citadel was a watch tower and one of the major buildings)
•They had polytheistic religion called Hinduism
the answer is decomposition.
Every species exhibits variations based on various genes being activated at various times. An example with humans can be eye color or hair color. What species means is that all members of a species can procreate with healthy, capable of procreating progeny, but anything else is just a variation.
