Tangled roots of a tree?
This is a capillary network in the liver called sinusoids. The liver has a high regenerative capacity. It has been shown that when the liver is damaged, there is an increase in blood flow rate and …
Different fly species?
These are in fact all the same fruit fly species Drosophila melanogaster.
Their different appearances are due to one or multiple genetic mutations, which lead to black bodies, white eyes, etc. There is one wild-type (normal) fly and mutant flies with 20 different phenotypes. Can you identify them all?
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