To understand an organism, we must study: - its genetic script and how it is transmitted - its structure and physiology - its food or energy sources - its metabolism, including its ingestive, digestive and excretory systems - its evolutionary origins, as far as we can determine them.
(it; is transmitted; ) (we; can determine; them) (we; must study; its genetic script and how it is transmitted - its structure and physiology - its food or energy sources - its metabolism, including its ingestive, digestive and excretory systems - its evolutionary origins, as far)
it we we
is transmitted can determine must study
them
its genetic script and how it is transmitted - its structure and physiology - its food or energy sources - its metabolism, including its ingestive, digestive and excretory systems - its evolutionary origins, as far