It's empty or fairly large, making the sounds from your hands bounce of the walls and therefore having it echo
Eukaryotes cells have the ability to change into multi-celled organisms
As evidenced by their most recent common ancestor, the wings of the butterfly and the wings of the bat evolved independently, long after their ancestral lineages diverged. More examples of analogous structures: wings of various species (though the bones supporting the wing may be homologous, in some cases)
Answer:
The correct answer is "190 um".
Explanation:
The given values are:
Field of view,
= 380 um
Percentage,
= 50%
Now,
The size of flea occupied will be:
= 
= 
=