Carbon dioxide will be the answer
Answer:
An advantage to heterospory is endosporic gametophyte.
The endosporic gametophyte do permits for embryonic formation. It prompts it to have a reduced vulnerability to varying form of environments.
The second advantage that heterscopy could offer to plants is ensuring of a well apportioned nutrient filled environment.
The well apportioned nutrient filled environment is formed as a result of the megasporangium been adhered to the sporophytic plant body. This sees to promote a good formation of the embryo.
A further advantage of heterscopy is the aftermath of fertilization.
This integument is hard as it is necessary to preserve the female gametophyte and embryo.
Answer:
I and III
Explanation:
Acid deposition will decrease pH levels in lakes and rivers since it contaminates them and lowers their pH, and organisms may be affected by the increased acidity in their immediate surroundings, but aluminum has nothing to do with pH levels at all.
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Answer:
The answer is Option 3, -genetically unique cells that will increase variation in a population.-