The horsehoe crab because it was one of the first animals to ever live on earth
Answer: 3
It would be 3 The Soil
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The structures that are responsible for producing semen are within the make reproductive system. these include the testes, epidymus, prostate, seminal vesicles, and the bulbourethral gland.
<span>ecosystems
</span>An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system. <span> </span>