Answer:
o2
Explanation:
Oxygen expelled by plants enters the air to be inhaled by animals and aerobic bacteria. Animal cells use oxygen for a process called oxidation.
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There is currently no treatment for inherited colour blindness. Colour filters or contact lenses can be used in some situations to enhance the brightness between some colours and these are occasionally used in the workplace, but many colour blind people find these actually confuse them further rather than help.
Answer:
The earliest known life-forms are putative fossilized microorganisms, found in hydrothermal vent precipitates, that may have lived as early as 4.28 Gya (billion years ago), relatively soon after the oceans formed 4.41 Gya, and not long after the formation of the Earth 4.54 Gya.
Explanation:
Answer:
Explanation:
The hypothesis is supported by the studies on mitochondria. The mitochondria contains its own DNA and sythesizes many of its RNA and proteins. The mitochondrial protein synthesis machine, the ribosomes are similar to those found in bacteria. Similar to the bacterial cells, the mitochondria also contain circular genome
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