<span>Biological scientists are research scientists who examine how living organisms relate to the environment. They can specialize in any number of plant, animal or environmental studies. Biological scientists most often have earned a master's or doctoral degree in their specialization; such degrees offer the opportunity to develop research while finishing their education. Some low-level positions related to biological science are available to those holding baccalaureate degrees.</span>
Answer:
The aquarium is now in sunlight, and there are more energy storage molecules in the plants and fish.
Explanation:
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it says the swallows had Continued reduced reproductive success over time.