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.
Answer:
Lungs and Endoskeleton.
Explanation:
Gills helps it live in water, and Scaly skin doesn't really apply
Answer: here´s why
Explanation: Underneath the frozen upper layer, the water remains in its liquid form and does not freeze. Also, oxygen is trapped beneath the layer of ice. As a result, fish and other aquatic animals find it possible to live comfortably in the frozen lakes and ponds. If water is heated, its volume gradually decreases.