I believe the answer is B.
Answer:The larger, more menacing crusher claw also serves as a mating or sexual focus point, apparently the bigger the crusher claw the more attractive male lobsters are to female lobsters. Male lobsters develop proportionately larger claws than females of the same weight once they reach sexual maturity.
The food web would be likely destroyed because one animal will not have nothing to eat out of the food we’d and then that’s how the food web will be messed up
The most important differences between a transmission electron microscope and a scanning electron microscope are: Rather than the broad static beam used in TEM, the SEM beam is focused to a fine point and scans line by line over the sample surface in a rectangular raster pattern
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(jacemorris04)