Shells are considered biotic because they come from living things. Biotic describes something living or use to be living such as plants and animals. So shells are considered biotic because they come from a living organism.
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Hope that helped:)
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<u>Answer:</u>
<em>The bone that is present just below the eye, forming a part of eye orbit is called </em><u><em>zygomatic bone.
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<u>Explanation:</u>
1. It forms the "prominence" of the cheek along with the muscle zygomaticus.
2. This zygomatic bone is articulated with the maxilla on bottom, the temporal on lateral sides and frontal on its upper end. It forms the "lower part" of the orbit of eye.
3. This is also called as cheekbone. Its structure depends from species to species and race to race. It’s a symbol of beauty for both "males and females".
The DNA replication is a biological process where two DNA strands where each of the strands is used a template to form a new strand. The question answered in discovering DNA replication is on how DN evolved. I hope it helps.
Answer:
c. DNA binding to histones enables overall positive supercoiling without enzymes that underwind the DNA helix.
Explanation: