a neurosecretory cell in the hypothalamus.
Your answer would be: New traits, lose. This is because evolution is when a species changed and adapts to changes in their environment. During this process, they may lose old traits that are no longer useful.
<span>phenotype, genotype is the answer for the question above hope this will help.</span>
Cephalopods have a closed circulatory system where blood is transported through vessels. However, most other mollusks have an open circulatory system where blood is not always in vessels, but is spread over the organs.
