Planets are biggest. Asteroids are second biggest. Comets third, and Meteoroids are the smallest
Communities offer shelter and food.
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Heyyo! The answer your looking for is A, Sustainable use! Sustainable use means the use of components of biological diversity in a way/rate that does not lead to the long term decline of biological diversity.
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Answer:
A protist
Explanation:
In the given question, the characteristic of an unidentified organism are given which are:
1. The organism is unicellular and autotrophic which means that it is a producer and belongs to a plant like organism.
2. The membrane bound nucleus means that the organism is an eukaryote.
The organism is thus an unicellular, autotrophic and an eukaryote could be a species of algae which is considered a protist. The protists are the organisms which shows characteristic of the ukaryotes but are not considered true plants and animals.
Thus, a protist is correct answer.