Answer: Subsistence agriculture.
Explanation: Subsistence agriculture is a type of farming in which farmers cultivate and grow food crops and livestocks to meet their needs and that of their family.
In this type of agriculture, farm products is aimed to survival and it doesn't involve use of large-scale irrigation, chemical fertilizer, or machinery and technology.
Rabbit ear size tends to decrease as latitude increases. this is an example of a cline
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A cline can be described as a change of the biological trait of a species across its geographical range. A cline can be genetic for example, change in the allele frequency, or phenotypic (change in body size). The change can be shown as continuous gradation, or it can be more abrupt from one geographic region to the next.
Gravitational is only attracted and electromagnetic is both atrractive and repulsive since it depends what you are talking about
Archea can live in extreme environments; Eubacteria cannot.
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The gene sequences of their rRNA are very different.
Mitochondria convert the energy in the bonds of glucose and oxygen to readily available energy in the form of ATP (Adinoshin Tri Phosphate) with the help of oxygen. Mitochondria are often referred to as the powerhouse of cell.