Bees are attracted to beautiful flowers to pollinate. Where ever you see flowers you see bees to pollinate and take nectar. In terms of wolves wooded areas where deers and their preys are you will find them.
I am not 100% sure but I thinking it responds when pathogens enter the body because the immune system is meant to protect your body from illness.
To my knowledge, the answer is B
The Fluid Mosaic Model states that membranes are composed of a Phospholipid Bilayer with various protein molecules floating around within it. The 'Fluid' part represents how some parts of the membrane can move around freely, if they are not attached to other parts of the cell.
It comes from a unicellular organism named Chloroplast that produces a green pigment substance called chlorophyll, this where oxygen is produced as a by-product of photosynthesis.