What is a population in the context of ecosystems?

What determines the characteristics of a community in an ecosystem?

What are some examples of abiotic factors that affect ecosystems?

Name some biotic factors in an ecosystem.

What is the intertidal zone, and what are its unique challenges?

What are some special adaptations of organisms in the intertidal zone?

Name the main ocean zones, from the surface to the deepest parts?

What is vertical zonation in ocean ecosystems?

What are ‘limiting factors’ or ‘tolerance limits’ in an ecosystem?