Answer:
dioscorea alata is specific name of yam
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
All organisms descended from a common ancestor
Answer:
Photochemical smog is a mixture of pollutants that are formed when nitrogen oxides and volatile organic compounds (VOCs) react to sunlight, creating a brown haze above cities.
Explanation:
The answer, is bryophytes are also called pioneer plants.
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