Answer:
contractile vacuole
Explanation:
contractile vacuole is used for balance of water,salt etc
For an offspring to dominate a recessive trait, both parents must have at least one dominant allele in their genotype.
Mosses and ferns are seedless plants. They reproduce via the use of spores. The correct answer is C.
Most of it follows its cycle, going back to the atmosphere.
The image below, shows you how the nitrogen cycle is.
Hope it helped,
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