Complex organisms need cells that can perform many different functions. they need to be supported on a cellular level. Without specialized cells you they won't be able to perform different functions.
Water, carbon, and nitrogen
The body strong flexible tissue attaching the muscle to the bone - Tendon
When a muscle is able to move a weight rapidly, repeatedly, and for an extended period of time - Muscle Endurance
When the muscle decreases in size and strength - Atrophy
When the skeletal muscle are forcefully exercised and in result enlarge - Hypertrophy
Answer:
The broadest classifications are by domain and kingdom; the most specific classification is by genus and species. The hierarchical groupings in between include phylum, class, family, and order.
if im wrong then meh
Explanation:
