<span> it goes back to the root of the words:
auto means self---------------trophic refers to feeding--so an autotroph is a self feeding organism
hetero---refers to different-------so then a heterotrophe feeds on some thing different
A...
Hope this helps ! :)
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Genes are small, specific sections of DNA.
A young marsupial is developed inside of a pouch until they are mature enough to go out on their own. They are included with such mammals as: Kangaroos and Opossoms.
I hope this answer helped :)
Oil and natural gas result from the decomposition of microscopic marine plants and animals which lived in the geological past times, tens of millions years ago. When these creatures died they accumulated on the sea floor and got covered under new layers of sediments. As they become buried deeper and deeper, heat and pressure began to rise transforming this biomass into oil and gas.