Samuels BIO Nutrient Cycles Succession

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The species that influences the survival of many other species is the ______.

What percentage of the atmosphere is made of nitrogen?

Which plants have bacteria in their roots that assist with converting nitrogen?

This species no longer exists.

Which processes would be considered to be part of the carbon dioxide-oxygen cycle?

If a volcano erupts and covers the land with lava that hardens, which situation occurred?

A species that has gone to near extinction is known as ______.

Precipitation falls, plants take water from soil, animals drink water, waste returns water to ecosystem, water evaporates, condensation takes place in clouds. This describes the ______.