Answer:
The beating or fanning movements of three pairs of maxilliped flagella in crabs and crayfish modify exhalent gill currents while drawing water over chemoreceptors on the head. They play an integral part both in signalling by distributing urine odours, and in active chemosensation.
Explanation:
heterotrophs energy comes from the sun
Answer:
Predation and parasitism both involve the other organism getting captured. The difference is that predation is when the other organism gets eaten and parasitism is when the organism gets harmed. Why organisms fight?
Explanation:
