Answer:
Oxygen was not present on early earth
<span>A cell can only grow so large in size because its
ability to exchange materials is affected by a growing surface-to-volume ratio.
Nature designed cells to be small in size because of the network of membranes
passing through it. If cells grow any bigger, membranes in it will not be able
to pass through its different parts and perform their purpose.
A cell is a network composed of many organelles (e.g. mitochondria, nucleus),
that communicate and work together to provide bodily functions. The cell is
small so that communication between organelles will be faster and much easier. When
cells are small they can be easily repaired when damaged and replicated when
needed.</span>
<span>The deposition of heavy sediment can significantly diminish the water quality and aquatic habitat. The sentiment in the water can reduce the sunlight that reaches the floor of the waterway, affecting animal and plant life. For example, photosynthesis may be less effective due to the decreased sunlight and the gills of fish may get clogged from the sediment.</span>
Answer: Sense Of Humor. Good sense of humor is immensely attractive. End of …
Self-confidence. Confidence makes you shine in all fields of your life, but …
Kindness. Who wants to be around mean or rude people? Imagine going on a …
Passion. As the popular internet meme says, “People are prettiest when they …
Explanation: :)
I think they discovered chromosomes in DNA so that backed up his Idea
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