Abiotic means non-living. So the correct answer is "the lack of oxygen in coastal waters"
Pesticides, they were feeding off they plants
Answer:
All plants cells have chlorophyll so there is no problem
Answer:
The swim bladder is located in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (usually oxygen) and functions as a hydrostatic, or ballast, organ, enabling the fish to maintain its depth without floating upward or sinking.
Explanation:
Possession of flagellum is not a taxonomic feature. many different unrelated organisms have flagellum. euglena, zooflagellates but also some fungi or even human sperm cells.
