Answer:
Unlike a steady pattern of growth, arthropods exhibit an external growth that proceeds in a sequence of step-like jumps, as the organism builds and replaces its exoskeleton. The arthropod does not grow bigger in size between these jumps. An aquatic arthropod gradually replaces body mass for water detained inside the tissues between molts.
The answer you are looking for is chloroplast
Answer:
I think it is the first one
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Blood enters the pulmonary vein with close to 100% of the blinding site for oxygen saturated.
The nucleus is replicated , therefore a copy of DNA is made