humans cannot impact one of Earth's systems without impacting the others because Earth's systems are interconnected. They interact with each other, moving matter from one system to the other. Changes to the atmosphere brought about by human activity eventually lead to changes in the biosphere and hydrosphere.
"Gene families are groups of <span>homologous </span>genes that arose by gene duplication and sequence evolution."
Gene families are groups of various similar genes that are originated mostly by duplication, but also by evolution and relocation. These genes are distributed<span> into families taking into account shared nucleotide or protein sequences. </span>
Answer:D
Explanation:decomposition of dead plants and animals.
Answer:
The correct answer is b
Explanation:
A biogeochemical cycle corresponds to an exchange of different elements such as carbon, nitrogen, water, phosphorus, nitrogen, carbon and other elements, between living beings and the environment (either decomposition or production processes).