Those types of animals are considered filter feeders. <span />
The answer to this question is Fossil Fuels
The pH will decrease because lemon juice is very acidic meaning it would bring the pH level down to a more acidic value.
Because a<span>t some point during its life cycle, it had a dorsal hollow nerve chord, notochord, pharyngeal gill slits, and finally a muscular tail.
hope this helped and is right :)</span>
