What is the lowest level of organization in the environment?
organism
community
population
species

Species

Explanation: The levels of organization from lowest complexity to highest are: species, population, community, ecosystem.

species

Explanation: A species is a group of individual organisms that can interbreed in nature within themselves.

It is also a group of plants, animals or other organism that share common characteristics and have the capability to interbreed within themselves.

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.