Can different living systems be related to or interact with each other? How?

Biotic and Abiotic Relationships. The biotic and abiotic elements of an ecosystem interact in cycles defined by daily life, time and the seasons. Nonliving factors determine what living things can be supported in an ecosystem. The living creatures in a habitat affect the nonliving elements within the community.

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

this was from the link provided:

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.