Pollution :) Since Abiotic means non living.
Bacteria: Living
Food (worms or smaller fish): Living
Predators: Living
Pollution (dirt, trash, or other stuff): Non Living
Answer:
D. Patterns of human development are similar to those of other vertebrates.
Explanation:
In the attachment above it is observed that the fetal developmental stages appear similar. The pictures represented different fetus of vertebrates such as man, tortoise, Dog, Chick.
During close observation it is noticed that Patterns of human development are similar to those of other vertebrates.