This is an example le of commensalism.The burdock seeds benefit and the cow is unharmed.
Answer:
The Calvin cycle uses CO2 and the energy temporarily stored in ATP and NADPH to make the sugar glucose. Photosynthesis is a two stage process. As is depicted here, the energy from sunlight is needed to start photosynthesis. The initial stage is called the light reactions as they occur only in the presence of light
Sweat glands and sebaceous glands are exocrine glands. Pineal and adrenal glands are endocrine glands.