A. Releasing a stimulus when hormones increase or decrease I think
Skin cells are also called epithelial cells
Answer:
Trees and birds have a commensalism relationship. The birds benefit from having a place to build their nests, while the trees are unharmed and not impacted by the bird’s presence.
Explanation:
The answer would be <span>photosynthesize. Only plant cells use the process of photosynthesis to create ATP.</span>