1. Explain how the concept of primary productivity gives rise to the idea of bottom up control in ecosystems. Give examples from your studies in ESS of ecosystems that have different levels
of complexity due to differences in primary productivity.

Aseries of connections of food chain in an ecosystem is called a what

What are some aquatic organisms that live in cold water temperatures?

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water