a~ shared characteristics are features or qualities that organisms or species have in common.
c~ shared characteristics can be characteristics that existed in the common ancestor and still exist in modern organisms.
d~ shared characteristics can be new characteristics that have been modified from what was found in the common ancestor.
i hope these are correct, if they aren't, i'm so sorry.
btw, i love your username!!
rose from blackpink? Imaoo :D~
A. bind and unwind double helix
There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths. In addition, a new class of infectious agents, the prions, has recently been recognized
A biogeochemical cycle<span> or substance turnover or cycling of substances is a pathway by which a chemical substance moves through biotic (biosphere) and abiotic (lithosphere, atmosphere, and hydrosphere) compartments of Earth.
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i hope this helps
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Zane</span>