Answer these questions based on what you learned from the lesson. are single-celled organisms with no nucleus. The kingdom is re
latively small. Eubacteria are classified by . Coccus are round bacterial cells. Bacillus are rod-shaped bacterial cells. Spirillium are spiral-shaped bacterial cells.
The answer is bioaccumulation. Bioaccumulation is when toxins build up in a food chain. The animals at the top of the food chain are affected most severely because the concentration of toxin becomes most concentrated in the body tissues of the animals at the top of the food chain.
