Answer:
The immune, lymphatic, and circulatory systems work together in protecting the body.
An autotroph is an organism that can produce its own food.
Water is a limited natural resource, vital for the expansion and development of, not only our specie, but each individual living organism in the planet. Hence, in a community proper water management is a must in order to make sure that water be maintained and cared for -used wisely. In one research, it is estimated that by 2025 more places will feel water scarcity than decades ago.
Answer: [A]: "axon" .
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"The <u> axon </u><u /> is a thin fiber that carries signals away from the cell body."
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