Answer:
Praying mantis cannibalism explained. When a female praying mantis bites the head off her sexual partner, it is probably not out of anger. ... The scientists tracked the flow of radioactive proteins through the bodies of the cannibalistic females, and through their eggs.
The worm feeds via a "pumping" action in which it first uptakes the fluid surrounding it. Then, it expels the fluid while trapping any bacteria within it. The bacteria are then digested for energy and nutrients.
As we know that;
Density= mass/volume
By rearranging
Mass=. Density* volume
Mass=. 0.2*45
Mass=. 9 grams
PLEASE NAKE IT BRAINLEST I NEED ONLY 1 BRAINLEST FOR PROMOTION
