The layers and structures the needle passed through are- epidermis, dermis, subcutaneous layer or hypodermis, connective tissue layer and muscle.
The epidermis is the outermost layer of the three layers that make up the skin, the inner layers being the dermis and hypodermis. The connective tissues connects, binds and separates other tissues or organs. Muscles are soft tissues found in the body. They function to produce force and motion.
Answer:
The sun is the ultimate source of energy for plants and animals because it gives them energy. Plants need the sun to keep on growing, and animals need the sun for heat and light.
Explanation:
Complementary nature of structure and function.
Plants need leaves, stems, and roots to do these jobs. But plants can have different leaf, stem, and root shapes depending on where they grow. The structures of plants are specially adapted to the environment in which they grow.