Answer:
B. Black fur
Explanation:
The last two options are normal to a bird.
A scientist who studies plants is called a botanist.
Upwelling is a process in which the deep and cold water rises to the water surface and not sea surface. This process plays an important role in maintaining balance in our ecosystem as it boost the marine productivity by washing the nutrients from deeper waters to the photic layer where photosynthesis is promoted.
They reproduce by pollination.
